共通のMSSQLServerパフォーマンスインジケーターの実装

はじめに

多くの場合、前の期間または特定の日に関連するデータベースアクティビティを示すパフォーマンスインジケータを作成する必要があります。「クエリ、ストアドプロシージャ、およびトリガーのSQL Serverパフォーマンスインジケーターの実装」というタイトルの記事で、このインジケーターの実装例を示しました。

この記事では、クエリの実行にかかる時間と時間を追跡する別の簡単な方法と、各時点の実行計画を取得する方法について説明します。

この方法は、日次レポートを生成する必要がある場合に特に役立ちます。そのため、この方法を自動化するだけでなく、最小限の技術的詳細でレポートに追加することもできます。

この記事では、合計経過時間がメトリックとして機能する、この一般的なパフォーマンス指標の実装例について説明します。

ソリューション

まず、一般的なアルゴリズムを提供します：

1）アクティブなクエリのスナップショットを作成します
2）結果を保存します
3）一般的な分析を実行し、1日の終わりに結果をテーブルに保存します
4）比較分析を行います受信したデータの

次に、いくつかの詳細を提供します。

アクティブなクエリのスナップショットを作成するには、次のテーブルを作成します。

クエリプランのテーブル

USE[DATABASE_NAME] GOSET ANSI_NULLS ONGOSET QUOTED_IDENTIFIER ONGOCREATE TABLE [srv]。[PlanQuery]（[PlanHandle] [varbinary]（64）NOT NULL、[SQLHandle] [varbinary]（64）NOT NULL、[QueryPlan] [xml] NULL、[InsertUTCDate] [datetime] NOT NULL、CONSTRAINT [PK_PlanQuery] PRIMARY KEY CLUSTERED（[SQLHandle] ASC、[PlanHandle] ASC）WITH（PAD_INDEX =OFF、STATISTICS_NORECOMPUTE =OFF、IGNORE_DUP_KEY =OFF 、ALLOW_ROW_LOCKS =ON、ALLOW_PAGE_LOCKS =ON）ON [PRIMARY]）ON [PRIMARY] TEXTIMAGE_ON [PRIMARY] GOALTERTABLE[srv]。[PlanQuery]ADDCONSTRAINT [DF_PlanQuery_InsertUTCDate] DEFAULT（getutcdate（））FOR [InsertUTCDate] GO>>

クエリのテーブル

USE[DATABASE_NAME] GOSET ANSI_NULLS ONGOSET QUOTED_IDENTIFIER ONGOCREATE TABLE [srv]。[SQLQuery]（[SQLHandle] [varbinary]（64）NOT NULL、[TSQL] [nvarchar]（max）NULL、 [InsertUTCDate] [datetime] NOT NULL、CONSTRAINT [PK_SQLQuery] PRIMARY KEY CLUSTERED（[SQLHandle] ASC）WITH（PAD_INDEX =OFF、STATISTICS_NORECOMPUTE =OFF、IGNORE_DUP_KEY =OFF、ALLOW_ROW_LOCKS =ON、ALLOW_PAGE_LOCKS =ON） [PRIMARY] TEXTIMAGE_ON [PRIMARY] GOALTERTABLE[srv]。[SQLQuery]ADDCONSTRAINT [DF_SQLQuery_InsertUTCDate] DEFAULT（getutcdate（））FOR [InsertUTCDate] GO

アクティブなクエリのスナップショットを含むテーブル：
[expand title =” Code”]

 USE [DATABASE_NAME] GOSET ANSI_NULLS ONGOSET QUOTED_IDENTIFIER ONGOCREATE TABLE [srv]。[RequestStatistics]（[session_id] [smallint] NOT NULL、[request_id] [int] NULL、[start_time] [datetime] NULL、[status] [ nvarchar]（30）NULL、[コマンド] [nvarchar]（32）NULL、[sql_handle] [varbinary]（64）NULL、[statement_start_offset] [int] NULL、[statement_end_offset] [int] NULL、[plan_handle] [varbinary ]（64）NULL、[database_id] [smallint] NULL、[user_id] [int] NULL、[connection_id] [uniqueidentifier] NULL、[blocking_session_id] [smallint] NULL、[wait_type] [nvarchar]（60）NULL、[ wait_time] [int] NULL、[last_wait_type] [nvarchar]（60）NULL、[wait_resource] [nvarchar]（256）NULL、[open_transaction_count] [int] NULL、[open_resultset_count] [int] NULL、[transaction_id] [bigint ] NULL、[context_info] [varbinary]（128）NULL、[percent_complete] [real] NULL、[estimated_completion_time] [bigint] NULL、[cpu_time] [int] NULL、[total_elapsed_time] [int] NULL、[scheduler_id] [ int] NULL、[task_address] [varbinary]（8） NULL、[読み取り] [bigint] NULL、[書き込み] [bigint] NULL、[logical_reads] [bigint] NULL、[text_size] [int] NULL、[言語] [nvarchar]（128）NULL、[date_format] [nvarchar ]（3）NULL、[date_first] [smallint] NULL、[quoted_identifier] [bit] NULL、[arithabort] [bit] NULL、[ansi_null_dflt_on] [bit] NULL、[ansi_defaults] [bit] NULL、[ansi_warnings] [ bit] NULL、[ansi_padding] [bit] NULL、[ansi_nulls] [bit] NULL、[concat_null_yields_null] [bit] NULL、[transaction_isolation_level] [smallint] NULL、[lock_timeout] [int] NULL、[deadlock_priority] [int] NULL、[row_count] [bigint] NULL、[prev_error] [int] NULL、[nest_level] [int] NULL、[granted_query_memory] [int] NULL、[executing_managed_code] [bit] NULL、[group_id] [int] NULL、 [query_hash] [binary]（8）NULL、[query_plan_hash] [binary]（8）NULL、[most_recent_session_id] [int] NULL、[connect_time] [datetime] NULL、[net_transport] [nvarchar]（40）NULL、[ protocol_type] [nvarchar]（40）NULL、[protocol_version] [int] NULL、[endpoint_id] [int] NULL、[encrypt_option ] [nvarchar]（40）NULL、[auth_scheme] [nvarchar]（40）NULL、[node_affinity] [smallint] NULL、[num_reads] [int] NULL、[num_writes] [int] NULL、[last_read] [datetime] NULL、[last_write] [datetime] NULL、[net_packet_size] [int] NULL、[client_net_address] [varchar]（48）NULL、[client_tcp_port] [int] NULL、[local_net_address] [varchar]（48）NULL、[local_tcp_port ] [int] NULL、[parent_connection_id] [uniqueidentifier] NULL、[most_recent_sql_handle] [varbinary]（64）NULL、[login_time] [datetime] NULL、[host_name] [nvarchar]（128）NULL、[program_name] [nvarchar] （128）NULL、[host_process_id] [int] NULL、[client_version] [int] NULL、[client_interface_name] [nvarchar]（32）NULL、[security_id] [varbinary]（85）NULL、[login_name] [nvarchar]（ 128）NULL、[nt_domain] [nvarchar]（128）NULL、[nt_user_name] [nvarchar]（128）NULL、[memory_usage] [int] NULL、[total_scheduled_time] [int] NULL、[last_request_start_time] [datetime] NULL、 [last_request_end_time] [datetime] NULL、[is_user_process] [bit] NULL、[original_sec urity_id] [varbinary]（85）NULL、[original_login_name] [nvarchar]（128）NULL、[last_successful_logon] [datetime] NULL、[last_unsuccessful_logon] [datetime] NULL、[unsuccessful_logons] [bigint] NULL、[authenticating_database_id] ] NULL、[InsertUTCDate] [datetime] NOT NULL、[EndRegUTCDate] [datetime] NULL）ON [PRIMARY] GOALTERTABLE[srv]。[RequestStatistics]ADDCONSTRAINT [DF_RequestStatistics_InsertUTCDate] DEFAULT（getutcdate（））FOR [InsertUTCDate] GOSET ANSI ONGOCREATE CLUSTERED INDEX [indRequest] ON [srv]。[RequestStatistics]（[session_id] ASC、[request_id] ASC、[database_id] ASC、[user_id] ASC、[start_time] ASC、[command] ASC、[sql_handle] ASC、 [plan_handle] ASC、[transaction_id] ASC、[connection_id] ASC）WITH（PAD_INDEX =OFF、STATISTICS_NORECOMPUTE =OFF、SORT_IN_TEMPDB =OFF、DROP_EXISTING =OFF、ONLINE =OFF、ALLOW_ROW_LOCKS =ON、ALLOW_PAGE_LOCKS =ON）ON [PRIM ANSI_PADDING ONGOCREATE NONCLUSTERED INDEX [indPlanQuery] ON [srv]。[RequestStatistics]（[plan_handle ] ASC、[sql_handle] ASC）WHERE（[sql_handle] IS NOT NULL AND [plan_handle] IS NOT NULL）WITH（PAD_INDEX =OFF、STATISTICS_NORECOMPUTE =OFF、SORT_IN_TEMPDB =OFF、DROP_EXISTING =OFF、ONLINE =OFF、ALLOW_ROW_LOCKS =ON、 ALLOW_PAGE_LOCKS =ON）ON [PRIMARY] GO

[/エキスパンド]

同様の方法で、[srv]。[RequestStatisticsArchive]アーカイブのテーブルを作成します。

1日の合計統計を含むテーブル

USE[DATABASE_NAME] GOSET ANSI_NULLS ONGOSET QUOTED_IDENTIFIER ONGOCREATE TABLE [srv]。[TSQL_DAY_Statistics]（[command] [nvarchar]（32）NOT NULL、[DBName] [nvarchar]（128） NOT NULL、[PlanHandle] [varbinary]（64）NOT NULL、[SqlHandle] [varbinary]（64）NOT NULL、[execution_count] [bigint] NOT NULL、[min_wait_timeSec] [decimal]（23、8）NOT NULL、 [min_estimated_completion_timeSec] [decimal]（23、8）NOT NULL、[min_cpu_timeSec] [decimal]（23、8）NOT NULL、[min_total_elapsed_timeSec] [decimal]（23、8）NOT NULL、[min_lock_timeoutSec] [decimal]（23 、8）NOT NULL、[max_wait_timeSec] [decimal]（23、8）NOT NULL、[max_estimated_completion_timeSec] [decimal]（23、8）NOT NULL、[max_cpu_timeSec] [decimal]（23、8）NOT NULL、[max_total_elapsed_timeSec ] [decimal]（23、8）NOT NULL、[max_lock_timeoutSec] [decimal]（23、8）NOT NULL、[DATE] [date] NOT NULL）ON [PRIMARY] GOALTERTABLE[srv]。[TSQL_DAY_Statistics]ADDCONSTRAINT [DF_TSQL_DAY_Statistics_DATE] DEFAULT（getutcdate（））FOR [DATE] GOCREATE NONCLUSTERED INDEX [indDATE] ON [srv]。[TSQL_DAY_Statistics]（[DATE] ASC）WITH（PAD_INDEX =OFF、STATISTICS_NORECOMPUTE =OFF、SORT_IN_TEMPDB =OFF、DROP_EXISTING =OFF、ONLINE =OFF、ALLOW_ROW_LOCKS =ON、 =ON）ON [PRIMARY] GO

アクティブなクエリの記録されたスナップショットで表示
[expandtitle =” Code”]

 USE [DATABASE_NAME] GOSET ANSI_NULLS ONGOSET QUOTED_IDENTIFIER ONGOCREATEview[srv]。[vRequestStatistics]as/ * query statistics * /SELECTrs。[status]collateCyrillic_General_CI_AS as [status]、rs。[InsertUTCDate]、rs。[start_time ]、rs。[command] collate Cyrillic_General_CI_AS as [command]、rs。[session_id]、rs。[blocking_session_id]、round（cast（rs。[total_elapsed_time] as decimal（18,3））/ 1000、3）as [ total_elapsed_timeSec]、DB_NAME（rs。[database_id]）collate Cyrillic_General_CI_AS as [DBName]、rs。[is_user_process]、rs。[login_name] collate Cyrillic_General_CI_AS as [login_name]、rs。[program_name] collate Cyrillic_General_CI [host_name] collate Cyrillic_General_CI_AS as [host_name]、sq。[TSQL] collate Cyrillic_General_CI_AS as [TSQL]-、（select top（1）text from sys.dm_exec_sql_text（[sql_handle]））as [TSQL]、pq。[QueryPlan ]、rs。[plan_handle]、rs。[user_id]、rs。[connection_id]、rs。[database_id]、rs。[sql_handle]、rs。[ statement_start_offset]-現在実行中のパッケージまたは現在のステートメントが実行されているストアドプロシージャ内の文字数。 sql_handle、statement_end_offset、sys.dm_exec_sql_textなどの動的管理関数と一緒に使用して、クエリに対して現在実行中のステートメントを取得できます。 NULL値を使用できます。 、rs。[statement_end_offset]-現在実行中のパッケージまたはストアドプロシージャ内で、現在のステートメントが完了した文字数。 sql_handle、statement_end_offset、sys.dm_exec_sql_textなどの動的管理関数と一緒に使用して、クエリに対して現在実行中のステートメントを取得できます。 NULL値を使用できます。 、rs。[wait_type]はCyrillic_General_CI_ASを[wait_type]として照合します-待機タイプ、rs。[wait_time]-クエリが現在ブロックされている場合、列には待機時間（ミリ秒単位）が含まれます。 NULL値は許可されていません。 、round（cast（rs。[wait_time] as decimal（18,3））/ 1000、3）as [wait_timeSec]、rs。[last_wait_type] collate Cyrillic_General_CI_AS as [last_wait_type]--クエリが以前にブロックされた場合、列最新の待機時間のタイプが含まれます。 NULL値は許可されていません。 、rs。[wait_resource]はCyrillic_General_CI_ASを[wait_resource]として照合します-クエリが現在ブロックされている場合、列はクエリが解放を待機しているリソースを示します。 NULL値は許可されていません。 、rs。[open_transaction_count]--このクエリで使用可能なトランザクションの数。 NULL値は許可されていません。 、rs。[open_resultset_count]--指定されたクエリで使用可能な結果セットの数。 NULL値は許可されていません。 、rs。[transaction_id]-現在実行中のクエリのトランザクション識別子。 NULL値は許可されていません。 、rs。[context_info]、rs。[percent_complete]、rs。[estimated_completion_time]、round（cast（rs。[estimated_completion_time] as decimal（18,3））/ 1000、3）as [estimated_completion_timeSec]、rs。[cpu_time ]-クエリの実行に費やされたCPU時間（ミリ秒）。 NULL値は許可されていません。 、round（cast（rs。[cpu_time] as decimal（18,3））/ 1000、3）as [cpu_timeSec]、rs。[total_elapsed_time]--リクエストが受信されてからの合計経過時間（ミリ秒）。 NULL値は許可されていません。 、rs。[scheduler_id]--指定されたクエリを計画するスケジューラの識別子。 NULL値は許可されていません。 、rs。[task_address]-この要求に関連するタスク専用のメモリブロックのアドレス。 NULL値を使用できます。 、rs。[reads]-指定されたクエリによって実行された読み取りの数。 NULL値を使用できます。 、rs。[writes]-指定されたクエリによって実行された書き込みの数。 NULL値は許可されていません。 、rs。[logical_reads]--指定されたクエリによって実行された論理読み取りの数。 NULL値は許可されていません。 、rs。[text_size]--指定されたクエリのTEXTSIZEパラメータを設定します。 NULL値は許可されていません。 、rs。[language] collate Cyrillic_General_CI_ASas[language]--指定されたクエリの言語を設定します。 NULL値を使用できます。 、rs。[date_format]はCyrillic_General_CI_ASを[date_format]として照合します-指定されたクエリのDATEFORMATパラメータを設定します。 NULL値を使用できます。 、rs。[date_first]--指定されたクエリのDATEFIRSTパラメータを設定します。 NULL値は許可されていません。 、rs。[quoted_identifier]、rs。[arithabort]、rs。[ansi_null_dflt_on]、rs。[ansi_defaults]、rs。[ansi_warnings]、rs。[ansi_padding]、rs。[ansi_nulls]、rs。[concat_null_yields_null 。[transaction_isolation_level]--指定されたクエリのトランザクション分離レベル。 NULL値は許可されていません（0は指定されておらず、1〜5の値はトランザクション分離レベルの昇順で設定されます）。 、rs。[lock_timeout]-指定されたクエリのロックタイムアウト（ミリ秒単位）。 NULL値は許可されていません。 、round（cast（rs。[lock_timeout] as decimal（18,3））/ 1000、3）as [lock_timeoutSec]、rs。[deadlock_priority]--指定されたクエリのDEADLOCK_PRIORITYパラメーターの値。 NULL値は許可されていません。 、rs。[row_count]--このクエリでクライアントに返された行数。 NULL値は許可されていません。 、rs。[prev_error]-クエリの実行中に前のエラーが発生しました。 NULL値は許可されていません。 、rs。[nest_level]--指定されたクエリに対して実行されたコードネストレベルの現在のレベル。 NULL値は許可されていません。 、rs。[granted_query_memory]--クエリを実行するページ数。 NULL値は許可されていません。 、rs。[executing_managed_code]-指定されたクエリが現在CLRオブジェクトコード（プロシージャ、タイプ、トリガーなど）を実行しているかどうかを示します。このトグルは、Transact-SQLコードが環境から呼び出された場合でも、CLRオブジェクトがスタックにあるときに設定されます。 NULL値は許可されていません。 、rs。[group_id]--このクエリが属するワークロードグループのID。 NULL値は許可されていません。 、rs。[query_hash]-バイナリハッシュ値がクエリに対して計算され、同様のロジックを持つクエリを識別するために使用されます。クエリハッシュを使用して、リテラル値のみが異なるクエリの統計リソースの使用を決定することができます。 、rs。[query_plan_hash]-バイナリハッシュ値は、クエリ実行プランに対して計算され、同様の実行プランを識別するために使用されます。プランハッシュを使用して、同様の実行プランでの合計クエリコストを見つけることができます。 、rs。[last_request_start_time]、rs。[last_request_end_time]、rs。[total_scheduled_time]、rs。[memory_usage]、rs。[nt_user_name] collate Cyrillic_General_CI_AS as [nt_user_name]、rs。[nt_domain] collate Cyrillic_General 。[security_id]、rs。[client_interface_name]は、Cyrillic_General_CI_ASを[client_interface_name]、rs。[client_version]、rs。[host_process_id]、rs。[login_time]、rs。[most_recent_sql_handle]、rs。[parent_connection_id]、rsとして照合します。 local_tcp_port]、rs。[local_net_address] collate Cyrillic_General_CI_AS as [local_net_address]、rs。[client_tcp_port]、rs。[client_net_address] collate Cyrillic_General_CI_AS as [client_net_address]、rs。[EndRegUTCDate]FROM[srv]。[Request readuncommitted）内部結合[srv]。[PlanQuery] as pqonrs。[plan_handle]=pq。[PlanHandle]およびrs。[sql_handle]=pq。[SqlHandle]内部結合[srv]。[SQLQuery]assq on sq 。[SqlHandle]=pq。[SqlHandle]unionallSELECTrs。[status]collateCyrillic_General_ CI_AS、rs。[InsertUTCDate]、rs。[start_time]、rs。[command] collate Cyrillic_General_CI_AS、rs。[session_id]、rs。[blocking_session_id]、round（cast（rs。[total_elapsed_time] as decimal（18,3） ）/ 1000、3）as [total_elapsed_timeSec]、DB_NAME（rs。[database_id]）collate Cyrillic_General_CI_AS as [DBName]、rs。[is_user_process]、rs。[login_name] collate Cyrillic_General_CI_AS、rs。[program_name] collate Cyrillic_General [host_name] collate Cyrillic_General_CI_AS、sq。[TSQL] collate Cyrillic_General_CI_AS-、（select top（1）text from sys.dm_exec_sql_text（[sql_handle]））as [TSQL]、pq。[QueryPlan]、rs。[plan_handle]、 rs。[user_id]、rs。[connection_id]、rs。[database_id]、rs。[sql_handle]、rs。[statement_start_offset]--現在実行中のパッケージまたは現在のステートメントが実行されるストアドプロシージャの文字数。 sql_handle、statement_end_offset、sys.dm_exec_sql_textなどの動的管理関数と一緒に使用して、クエリに対して現在実行中のステートメントを取得できます。 NULL値を使用できます。 、rs。[statement_end_offset]--現在実行中のパッケージまたはストアドプロシージャ内で、現在のステートメントが完了した文字数。 sql_handle、statement_end_offset、sys.dm_exec_sql_textなどの動的管理関数と一緒に使用して、クエリに対して現在実行中のステートメントを取得できます。 NULL値を使用できます。 、rs。[wait_type] collate Cyrillic_General_CI_AS--待機タイプ、rs。[wait_time]-クエリが現在ブロックされている場合、列には現在の待機時間（ミリ秒単位）が含まれます。 NULL値を使用できます。 、round（cast（rs。[wait_time] as decimal（18,3））/ 1000、3）as [wait_timeSec]、rs。[last_wait_type] collate Cyrillic_General_CI_AS--クエリが以前にブロックされた場合、列には次のタイプが含まれます。最新の待機中。 NULL値は許可されていません。 、rs。[wait_resource] collate Cyrillic_General_CI_AS--クエリが現在ブロックされている場合、列にはクエリの解放を待機しているリソースが含まれます。 NULL値は許可されていません。 、rs。[open_transaction_count]--指定されたクエリで使用可能なトランザクションの数。 NULL値は許可されていません。 、rs。[open_resultset_count]--指定されたクエリで使用可能な結果セットの数。 NULL値は許可されていません。 、rs。[transaction_id]--クエリが実行されているトランザクションの識別子。 NULL値は許可されていません。 、rs。[context_info]、rs。[percent_complete]、rs。[estimated_completion_time]、round（cast（rs。[estimated_completion_time] as decimal（18,3））/ 1000、3）as [estimated_completion_timeSec]、rs。[cpu_time ]-クエリの実行に費やされたCPU時間（ミリ秒）。 NULL値は許可されていません。 、round（cast（rs。[cpu_time] as decimal（18,3））/ 1000、3）as [cpu_timeSec]、rs。[total_elapsed_time]--リクエストが受信されてからの合計経過時間（ミリ秒）。 NULL値は許可されていません。 、rs。[scheduler_id]--指定されたクエリを計画するスケジューラの識別子。 NULL値は許可されていません。 、rs。[task_address]--このクエリに関連するタスク専用のメモリブロックのアドレス。 NULL値を使用できます。 、rs。[reads]-指定されたクエリによって実行された読み取りの数。 NULL値は許可されていません。 、rs。[writes]-指定されたクエリによって実行された書き込みの数。 NULL値は許可されていません。 、rs。[logical_reads]--指定されたクエリによって実行されたロジック読み取りの数。 NULL値は許可されていません。 、rs。[text_size]--指定されたクエリのTEXTSIZEパラメータを設定します。 NULL値は許可されていません。 、rs。[language]collateCyrillic_General_CI_AS--指定されたクエリの言語を設定します。 NULL値を使用できます。 、rs。[date_format]collateCyrillic_General_CI_AS--指定されたクエリのDATEFORMATパラメータを設定します。 NULL値を使用できます。 、rs。[date_first]--指定されたクエリのDATEFIRSTパラメータを設定します。 NULL値は許可されていません。 、rs。[quoted_identifier]、rs。[arithabort]、rs。[ansi_null_dflt_on]、rs。[ansi_defaults]、rs。[ansi_warnings]、rs。[ansi_padding]、rs。[ansi_nulls]、rs。[concat_null_yields_null 。[transaction_isolation_level]--指定されたクエリのトランザクションとともに作成された分離レベル。 NULL値は許可されていません（0は指定されておらず、トランザクション分離レベルの昇順で1〜5の値が設定されています）。 、rs。[lock_timeout]-指定されたクエリのロックタイムアウト（ミリ秒単位）。 NULL値は許可されていません。 、round（cast（rs。[lock_timeout] as decimal（18,3））/ 1000、3）as [lock_timeoutSec]、rs。[deadlock_priority]--指定されたクエリのDEADLOCK_PRIORITYパラメーターの値。 NULL値は許可されていません。 、rs。[row_count]--指定されたクエリに対してクライアントに返された行の数。 NULL値は許可されていません。 、rs。[prev_error]-クエリの実行中に前のエラーが発生しました。 NULL値は許可されていません。 、rs。[nest_level]--指定されたクエリに対して実行された現在のコードネストレベル。 NULL値は許可されていません。 、rs。[granted_query_memory]--クエリを実行するページ数。 NULL値は許可されていません。 、rs。[executing_managed_code]-指定されたクエリが現在CLRオブジェクトコード（プロシージャ、タイプ、トリガーなど）を実行しているかどうかを示します。このトグルは、Transact-SQLコードが環境から呼び出された場合でも、CLRオブジェクトがスタックにあるときに設定されます。 NULL値は許可されていません。 、rs。[group_id]--このクエリが属するワークロードグループのID。 NULL値は許可されていません。 、rs。[query_hash]-バイナリハッシュ値がクエリに対して計算され、同様のロジックを持つクエリを識別するために使用されます。クエリハッシュを使用して、リテラル値のみが異なるクエリの統計リソースの使用を決定することができます。 、rs。[query_plan_hash]-バイナリハッシュ値は、クエリ実行プランに対して計算され、同様の実行プランを識別するために使用されます。プランハッシュを使用して、同様の実行プランでの合計クエリコストを見つけることができます。 、rs。[last_request_start_time]、rs。[last_request_end_time]、rs。[total_scheduled_time]、rs。[memory_usage]、rs。[nt_user_name] collate Cyrillic_General_CI_AS、rs。[nt_domain] collate Cyrillic_General_CI_AS、rs。 client_interface_name] collate Cyrillic_General_CI_AS、rs。[client_version]、rs。[host_process_id]、rs。[login_time]、rs。[most_recent_sql_handle]、rs。[parent_connection_id]、rs。[local_tcp_port]、rs。[local_net_address] collate 。[client_tcp_port]、rs。[client_net_address] collate Cyrillic_General_CI_AS、rs。[EndRegUTCDate]FROM[srv]。[RequestStatisticsArchive]asrs with（readuncommitted）innerjoin[srv]。[PlanQuery]aspqonrs。[plan_handle]=pq。[PlanHandle]およびrs。[sql_handle]=pq。[SqlHandle]内部結合[srv]。[SQLQuery]assqonsq。[SqlHandle]=pq。[SqlHandle]GO

[/エキスパンド]

現在アクティブなリクエストを選択して表示：
[expand title =” Code”]

 USE [DATABASE_NAME] GOSET ANSI_NULLS ONGOSET QUOTED_IDENTIFIER ONGOCREATEview[inf]。[vRequestDetail]as/ * active、ready to execute andペンディングクエリ、および他のセッションを明示的にブロックするクエリ* / with tbl0 as（select ES 。[session_id]、ER。[blocking_session_id]、ER。[request_id]、ER。[start_time]、ER。[status]、ER。[command]、ER。[percent_complete]、DB_Name（coalesce（ER。[database_id] 、ES。[database_id]））as [DBName]、（select top（1）text from sys.dm_exec_sql_text（ER。[sql_handle]））as [TSQL]、（select top（1）[query_plan] from sys.dm_exec_query_plan （ER。[plan_handle]））as [QueryPlan]、ER。[wait_type]、ES。[login_time]、ES。[host_name]、ES。[program_name]、ER。[wait_time]、ER。[last_wait_type]、ER 。[wait_resource]、ER。[open_transaction_count]、ER。[open_resultset_count]、ER。[transaction_id]、ER。[context_info]、ER。[estimated_completion_time]、ER。[cpu_time]、ER。[total_elap sed_time]、ER。[scheduler_id]、ER。[task_address]、ER。[reads]、ER。[writes]、ER。[logical_reads]、ER。[text_size]、ER。[language]、ER。[date_format] 、ER。[date_first]、ER。[quoted_identifier]、ER。[arithabort]、ER。[ansi_null_dflt_on]、ER。[ansi_defaults]、ER。[ansi_warnings]、ER。[ansi_padding]、ER。[ansi_nulls]、ER 。[concat_null_yields_null]、ER。[transaction_isolation_level]、ER。[lock_timeout]、ER。[deadlock_priority]、ER。[row_count]、ER。[prev_error]、ER。[nest_level]、ER。[granted_query_memory]、ER。[ execute_managed_code]、ER。[group_id]、ER。[query_hash]、ER。[query_plan_hash]、EC。[most_recent_session_id]、EC。[connect_time]、EC。[net_transport]、EC。[protocol_type]、EC。[protocol_version] 、EC。[endpoint_id]、EC。[encrypt_option]、EC。[auth_scheme]、EC。[node_affinity]、EC。[num_reads] 、EC。[num_writes]、EC。[last_read]、EC。[last_write]、EC。[net_packet_size]、EC。[client_net_address]、EC。[client_tcp_port]、EC。[local_net_address]、EC。[local_tcp_port]、EC 。[parent_connection_id]、EC。[most_recent_sql_handle]、ES。[host_process_id]、ES。[client_version]、ES。[client_interface_name]、ES。[security_id]、ES。[login_name]、ES。[nt_domain]、ES。[ nt_user_name]、ES。[memory_usage]、ES。[total_scheduled_time]、ES。[last_request_start_time]、ES。[last_request_end_time]、ES。[is_user_process]、ES。[original_security_id]、ES。[original_login_name]、 、ES。[last_unsuccessful_logon]、ES。[unsuccessful_logons]、ES。[authenticating_database_id]、ER。[sql_handle]、ER。[statement_start_offset]、ER。[statement_end_offset]、ER。[plan_handle]、coalesce（ER。 、ES。[database_id]）as [database_id]、ER。[user_id]、ER。[connection_id] from s ys.dm_exec_requests ER with（readuncommitted）right join sys.dm_exec_sessions ES with（readuncommitted）on ES.session_id =ER.session_id left join sys.dm_exec_connections EC with（readuncommitted）on EC.session_id =ES.session_id）、tbl as（select [session_id]、[blocking_session_id]、[request_id]、[start_time]、[status]、[command]、[percent_complete]、[DBName]、[TSQL]、[QueryPlan]、[wait_type]、[login_time]、[host_name ]、[program_name]、[wait_time]、[last_wait_type]、[wait_resource]、[open_transaction_count]、[open_resultset_count]、[transaction_id]、[context_info]、[estimated_completion_time]、[cpu_time]、[total_elapsed_ [task_address]、[reads]、[writes]、[logical_reads]、[text_size]、[language]、[date_format]、[date_first]、[quoted_identifier]、[arithabort]、[ansi_null_dflt_ on]、[ansi_defaults]、[ansi_warnings]、[ansi_padding]、[ansi_nulls]、[concat_null_yields_null]、[transaction_isolation_level]、[lock_timeout]、[deadlock_priority]、[row_count]、[prev_error] 、[executing_managed_code]、[group_id]、[query_hash]、[query_plan_hash]、[most_recent_session_id]、[connect_time]、[net_transport]、[protocol_type]、[protocol_version]、[endpoint_id]、[encrypt_option]、 node_affinity]、[num_reads]、[num_writes]、[last_read]、[last_write]、[net_packet_size]、[client_net_address]、[client_tcp_port]、[local_net_address]、[local_tcp_port]、[parent_connection_id]、[most_id] 、[client_version]、[client_interface_name]、[security_id]、[login_name]、[nt_domain] 、[nt_user_name]、[memory_usage]、[total_scheduled_time]、[last_request_start_time]、[last_request_end_time]、[is_user_process]、[original_security_id]、[original_login_name]、[last_successful_logon]、[last_successful_logon]、[last_successful_logon] sql_handle]、[statement_start_offset]、[statement_end_offset]、[plan_handle]、[database_id]、[user_id]、[connection_id] from tbl0 where [status] in（'suspended'、'running'、'runnable'））、tbl_group as （[blocking_session_id]をtblから選択します。ここで[blocking_session_id] <> 0は[blocking_session_id]でグループ化します）select [session_id]、[blocking_session_id]、[request_id]、[start_time]、[status]、[command]、[percent_complete]、[ DBName]、[TSQL]、[QueryPlan]、[wait_type]、[login_time]、[host_name]、[program_name]、[wait_time]、[last_wait_type]、[wait_resource]、[open_transa ction_count]、[open_resultset_count]、[transaction_id]、[context_info]、[estimated_completion_time]、[cpu_time]、[total_elapsed_time]、[scheduler_id]、[task_address]、[reads]、[writes]、[logical_ 、[language]、[date_format]、[date_first]、[quoted_identifier]、[arithabort]、[ansi_null_dflt_on]、[ansi_defaults]、[ansi_warnings]、[ansi_padding]、[ansi_nulls]、[concat_null_yiels lock_timeout]、[deadlock_priority]、[row_count]、[prev_error]、[nest_level]、[granted_query_memory]、[executing_managed_code]、[group_id]、[query_hash]、[query_plan_hash]、[most_recent_session_id]、 、[protocol_type]、[protocol_version]、[endpoint_id]、[encrypt_option]、[auth_scheme] 、[node_affinity]、[num_reads]、[num_writes]、[last_read]、[last_write]、[net_packet_size]、[client_net_address]、[client_tcp_port]、[local_net_address]、[local_tcp_port]、[parent_connection_id]、[parent_connection_id] host_process_id]、[client_version]、[client_interface_name]、[security_id]、[login_name]、[nt_domain]、[nt_user_name]、[memory_usage]、[total_scheduled_time]、[last_request_start_time]、[last_request_end_time]、[last_request_end_time]、 、[original_login_name]、[last_successful_logon]、[last_unsuccessful_logon]、[unsuccessful_logons]、[authenticating_database_id]、[sql_handle]、[statement_start_offset]、[statement_end_offset]、[plan_ allselect tbl0。[session_id]、tbl0。[blocking_session_id]、tbl0。[request_id]、tbl0。[ start_time]、tbl0。[status]、tbl0。[command]、tbl0。[percent_complete]、tbl0。[DBName]、tbl0。[TSQL]、tbl0。[QueryPlan]、tbl0。[wait_type]、tbl0。[login_time] 、tbl0。[host_name]、tbl0。[program_name]、tbl0。[wait_time]、tbl0。[last_wait_type]、tbl0。[wait_resource]、tbl0。[open_transaction_count]、tbl0。[open_resultset_count]、tbl0。[transaction_id .[context_info] ,tbl0.[estimated_completion_time] ,tbl0.[cpu_time] ,tbl0.[total_elapsed_time] ,tbl0.[scheduler_id] ,tbl0.[task_address] ,tbl0.[reads] ,tbl0.[writes] ,tbl0.[ logical_reads] ,tbl0.[text_size] ,tbl0.[language] ,tbl0.[date_format] ,tbl0.[date_first] ,tbl0.[quoted_identifier] ,tbl0.[arithabort] ,tbl0.[ansi_null_dflt_on] ,tbl0.[ansi_defaults] ,tbl0.[ansi_warnings] ,tbl0.[ansi_padding] ,tbl0.[ansi_nulls] ,tbl0.[concat_null_yields_null] ,tbl0.[transaction_isolation_level] ,tbl0.[lock_timeout] ,tbl0.[deadlock_priority] ,tbl0.[row_count] ,tbl0.[prev_error] ,tbl0.[nest_level] ,tbl0.[granted_query_memory] ,tbl0.[executing_managed_code] ,tbl0.[group_id] ,tbl0.[query_hash] ,tbl0.[query_plan_hash] ,tbl0.[most_recent_session_id] ,tbl0.[connect_time] ,tbl0.[net_transport] ,tbl0.[protocol_type] ,tbl0.[protocol_version] ,tbl0.[endpoint_id] ,tbl0.[encrypt_option] ,tbl0.[auth_scheme] ,tbl0.[node_affinity] ,tbl0.[num_reads] ,tbl0.[num_writes] ,tbl0.[last_read] ,tbl0.[last_write] ,tbl0.[net_packet_size] ,tbl0.[client_net_address] ,tbl0.[client_tcp_port] ,tbl0.[local_net_address] ,tbl0.[local_tcp_port] ,tbl0.[parent_connection_id] ,tbl0.[most_recent_sql_handle] ,tbl0.[host_process_id] ,tbl0.[client_version] ,tbl0.[client_interface_name] ,tbl0.[se curity_id] ,tbl0.[login_name] ,tbl0.[nt_domain] ,tbl0.[nt_user_name] ,tbl0.[memory_usage] ,tbl0.[total_scheduled_time] ,tbl0.[last_request_start_time] ,tbl0.[last_request_end_time] ,tbl0.[is_user_process] ,tbl0.[original_security_id] ,tbl0.[original_login_name] ,tbl0.[last_successful_logon] ,tbl0.[last_unsuccessful_logon] ,tbl0.[unsuccessful_logons] ,tbl0.[authenticating_database_id] ,tbl0.[sql_handle] ,tbl0.[statement_start_offset] ,tbl0.[statement_end_offset] ,tbl0.[plan_handle] ,tbl0.[database_id] ,tbl0.[user_id] ,tbl0.[connection_id]from tbl_group as tginner join tbl0 on tg.blocking_session_id=tbl0.session_id;GO

[/expand]

To take a snapshot of active queries and save it to the tables described above, create a stored procedure:

Example of implementing a stored procedure to collect snapshots of active queries

[expand title=”Code”]

USE [DATABASE_NAME]GOSET ANSI_NULLS ONGOSET QUOTED_IDENTIFIER ONGOCREATE PROCEDURE [srv].[AutoStatisticsActiveRequests]ASBEGIN SET NOCOUNT ON;トランザクション分離レベルの読み取りをコミットせずに設定します。 declare @tbl0 table ( [SQLHandle] [varbinary](64) NOT NULL, [TSQL] [nvarchar](max) NULL ); declare @tbl1 table ( [PlanHandle] [varbinary](64) NOT NULL, [SQLHandle] [varbinary](64) NOT NULL, [QueryPlan] [xml] NULL ); declare @tbl2 table ( [session_id] [smallint] NOT NULL, [request_id] [int] NULL, [start_time] [datetime] NULL, [status] [nvarchar](30) NULL, [command] [nvarchar](32) NULL, [sql_handle] [varbinary](64) NULL, [statement_start_offset] [int] NULL, [statement_end_offset] [int] NULL, [plan_handle] [varbinary](64) NULL, [database_id] [smallint] NULL, [user_id] [int] NULL, [connection_id] [uniqueidentifier] NULL, [blocking_session_id] [smallint] NULL, [wait_type] [nvarchar](60) NULL, [wait_time] [int] NULL, [last_wait_type] [nvarchar](60) NULL, [wait_resource] [nvarchar](256) NULL, [open_transaction_count] [int] NULL, [open_resultset_count] [int] NULL, [transaction_id] [bigint] NULL, [context_info] [varbinary](128) NULL, [percent_complete] [real] NULL, [estimated_completion_time] [bigint] NULL, [cpu_time] [int] NULL, [total_elapsed_time] [int] NU LL, [scheduler_id] [int] NULL, [task_address] [varbinary](8) NULL, [reads] [bigint] NULL, [writes] [bigint] NULL, [logical_reads] [bigint] NULL, [text_size] [int] NULL, [language] [nvarchar](128) NULL, [date_format] [nvarchar](3) NULL, [date_first] [smallint] NULL, [quoted_identifier] [bit] NULL, [arithabort] [bit] NULL, [ansi_null_dflt_on] [bit] NULL, [ansi_defaults] [bit] NULL, [ansi_warnings] [bit] NULL, [ansi_padding] [bit] NULL, [ansi_nulls] [bit] NULL, [concat_null_yields_null] [bit] NULL, [transaction_isolation_level] [smallint] NULL, [lock_timeout] [int] NULL, [deadlock_priority] [int] NULL, [row_count] [bigint] NULL, [prev_error] [int] NULL, [nest_level] [int] NULL, [granted_query_memory] [int] NULL, [executing_managed_code] [bit] NULL, [group_id] [int] NULL, [query_hash] [binary](8) NULL, [query_plan_hash] [bin ary](8) NULL, [most_recent_session_id] [int] NULL, [connect_time] [datetime] NULL, [net_transport] [nvarchar](40) NULL, [protocol_type] [nvarchar](40) NULL, [protocol_version] [int] NULL, [endpoint_id] [int] NULL, [encrypt_option] [nvarchar](40) NULL, [auth_scheme] [nvarchar](40) NULL, [node_affinity] [smallint] NULL, [num_reads] [int] NULL, [num_writes] [int] NULL, [last_read] [datetime] NULL, [last_write] [datetime] NULL, [net_packet_size] [int] NULL, [client_net_address] [varchar](48) NULL, [client_tcp_port] [int] NULL, [local_net_address] [varchar](48) NULL, [local_tcp_port] [int] NULL, [parent_connection_id] [uniqueidentifier] NULL, [most_recent_sql_handle] [varbinary](64) NULL, [login_time] [datetime] NULL, [host_name] [nvarchar](128) NULL, [program_name] [nvarchar](128) NULL, [host_process_id] [int] NULL, [client_version] [int] NUL L, [client_interface_name] [nvarchar](32) NULL, [security_id] [varbinary](85) NULL, [login_name] [nvarchar](128) NULL, [nt_domain] [nvarchar](128) NULL, [nt_user_name] [nvarchar](128) NULL, [memory_usage] [int] NULL, [total_scheduled_time] [int] NULL, [last_request_start_time] [datetime] NULL, [last_request_end_time] [datetime] NULL, [is_user_process] [bit] NULL, [original_security_id] [varbinary](85) NULL, [original_login_name] [nvarchar](128) NULL, [last_successful_logon] [datetime] NULL, [last_unsuccessful_logon] [datetime] NULL, [unsuccessful_logons] [bigint] NULL, [authenticating_database_id] [int] NULL, [TSQL] [nvarchar](max) NULL, [QueryPlan] [xml] NULL ); insert into @tbl2 ( [session_id] ,[request_id] ,[start_time] ,[status] ,[command] ,[sql_handle] ,[TSQL] ,[statement_start_offset] ,[statement_end_offset] ,[plan_handle] ,[QueryPlan] ,[database_id] ,[user_id] ,[connection_id] ,[blocking_session_id] ,[wait_type] ,[wait_time] ,[last_wait_type] ,[wait_resource] ,[open_transaction_count] ,[open_resultset_count] ,[transaction_id] ,[context_info] ,[percent_complete] ,[estimated_completion_time] ,[cpu_time] ,[total_elapsed_time] ,[scheduler_id] ,[task_address] ,[reads] ,[writes] ,[logical_reads] ,[text_size] ,[language] ,[date_format] ,[date_first] ,[quoted_identifier] ,[arithabort] ,[ansi_null_dflt_on] ,[ansi_defaults] ,[ansi_warnings] ,[ansi_padding] ,[ansi_nulls] ,[concat_null_yields_null] ,[transaction_isolation_level] ,[lock_timeout] ,[deadlock_priority] ,[row_count] ,[prev_error] ,[nest_level] ,[granted_query_memory] ,[executing_managed_code] ,[group_id] ,[query_hash] ,[query_plan_hash] ,[most_recent_session_id] ,[connect_time] ,[net_transport] ,[protocol_type] ,[protocol_version] ,[endpoint_id] ,[encrypt_option] ,[auth_scheme] ,[node_affinity] ,[num_reads] ,[num_writes] ,[last_read] ,[last_write] ,[net_packet_size] ,[client_net_address] ,[client_tcp_port] ,[local_net_address] ,[local_tcp_port] ,[parent_connection_id] ,[most_recent_sql_handle] ,[login_time] ,[host_name] ,[program_name] ,[host_process_id] ,[client_version] ,[client_interface_name] ,[security_id] ,[login_name] ,[nt_domain] ,[nt_user_name] ,[memory_usage] ,[total_scheduled_time] ,[last_request_start_time] ,[last_reque st_end_time] ,[is_user_process] ,[original_security_id] ,[original_login_name] ,[last_successful_logon] ,[last_unsuccessful_logon] ,[unsuccessful_logons] ,[authenticating_database_id] ) select [session_id] ,[request_id] ,[start_time] ,[status] ,[command] ,[sql_handle] ,[TSQL] ,[statement_start_offset] ,[statement_end_offset] ,[plan_handle] ,[QueryPlan] ,[database_id] ,[user_id] ,[connection_id] ,[blocking_session_id] ,[wait_type] ,[wait_time] ,[last_wait_type] ,[wait_resource] ,[open_transaction_count] ,[open_resultset_count] ,[transaction_id] ,[context_info] ,[percent_complete] ,[estimated_completion_time] ,[cpu_time] ,[total_elapsed_time] ,[scheduler_id] ,[task_address] ,[reads] ,[writes] ,[logical_reads] ,[text_size] ,[language] ,[date_format] ,[date_first] ,[quoted_identifier] ,[arithabort] ,[ansi_null_dflt_on] ,[ansi_defaults] ,[ansi_warnings] ,[ansi_padding] ,[ansi_nulls] ,[concat_null_yields_null] ,[transaction_isolation_level] ,[lock_timeout] ,[deadlock_priority] ,[row_count] ,[prev_error] ,[nest_level] ,[granted_query_memory] ,[executing_managed_code] ,[group_id] ,[query_hash] ,[query_plan_hash] ,[most_recent_session_id] ,[connect_time] ,[net_transport] ,[protocol_type] ,[protocol_version] ,[endpoint_id] ,[encrypt_option] ,[auth_scheme] ,[node_affinity] ,[num_reads] ,[num_writes] ,[last_read] ,[last_write] ,[net_packet_size] ,[client_net_address] ,[client_tcp_port] ,[local_net_address] ,[local_tcp_port] ,[parent_connection_id] ,[most_recent_sql_handle] ,[login_time] ,[host_name] ,[ program_name] ,[host_process_id] ,[client_version] ,[client_interface_name] ,[security_id] ,[login_name] ,[nt_domain] ,[nt_user_name] ,[memory_usage] ,[total_scheduled_time] ,[last_request_start_time] ,[last_request_end_time] ,[is_user_process] ,[original_security_id] ,[original_login_name] ,[last_successful_logon] ,[last_unsuccessful_logon] ,[unsuccessful_logons] ,[authenticating_database_id] from [inf].[vRequestDetail]; insert into @tbl1 ( [PlanHandle], [SQLHandle], [QueryPlan] ) select [plan_handle], [sql_handle], (select top(1) [query_plan] from sys.dm_exec_query_plan([plan_handle])) as [QueryPlan] from @tbl2 where (select top(1) [query_plan] from sys.dm_exec_query_plan([plan_handle])) is not null group by [plan_handle], [sql_handle]; insert into @tbl0 ( [SQLHandle], [TSQL] ) select [sql_handle], (select top(1) text from sys.dm_exec_sql_text([sql_handle])) as [TSQL]--[query_text] from @tbl2 where (select top(1) text from sys.dm_exec_sql_text([sql_handle])) is not null group by [sql_handle];;merge [srv].[SQLQuery] as trg using @tbl0 as src on trg.[SQLHandle]=src.[SQLHandle] WHEN NOT MATCHED BY TARGET THEN INSERT ( [SQLHandle], [TSQL] ) VALUES ( src.[SQLHandle], src.[TSQL] );;merge [srv].[PlanQuery] as trg using @tbl1 as src on trg.[SQLHandle]=src.[SQLHandle] and trg.[PlanHandle]=src.[PlanHandle] WHEN NOT MATCHED BY TARGET THEN INSERT ( [PlanHandle], [SQLHandle], [QueryPlan] ) VALUES ( src.[PlanHandle], src.[SQLHandle], src.[QueryPlan] ); select [session_id] ,[request_id] ,[start_time] ,[status] ,[command] ,[sql_handle] ,(select top(1) 1 from @tbl0 as t where t.[SQLHandle]=tt.[sql_handle]) as [TSQL] ,[statement_start_offset] ,[statement_end_offset] ,[plan_handle] ,(select top(1) 1 from @tbl1 as t where t.[PlanHandle]=tt.[plan_handle]) as [QueryPlan] ,[database_id] ,[user_id] ,[connection_id] ,[blocking_session_id] ,[wait_type] ,[wait_time] ,[last_wait_type] ,[wait_resource] ,[open_transaction_count] ,[open_resultset_count] ,[transaction_id] ,[context_info] ,[percent_complete] ,[estimated_completion_time] ,[cpu_time] ,[total_elapsed_time] ,[scheduler_id] ,[task_address] ,[reads] ,[writes] ,[logical_reads] ,[text_size] ,[language] ,[date_format] ,[date_first] ,[quoted_identifier] ,[arithabort] ,[ansi_nul l_dflt_on] ,[ansi_defaults] ,[ansi_warnings] ,[ansi_padding] ,[ansi_nulls] ,[concat_null_yields_null] ,[transaction_isolation_level] ,[lock_timeout] ,[deadlock_priority] ,[row_count] ,[prev_error] ,[nest_level] ,[granted_query_memory] ,[executing_managed_code] ,[group_id] ,[query_hash] ,[query_plan_hash] ,[most_recent_session_id] ,[connect_time] ,[net_transport] ,[protocol_type] ,[protocol_version] ,[endpoint_id] ,[encrypt_option] ,[auth_scheme] ,[node_affinity] ,[num_reads] ,[num_writes] ,[last_read] ,[last_write] ,[net_packet_size] ,[client_net_address] ,[client_tcp_port] ,[local_net_address] ,[local_tcp_port] ,[parent_connection_id] ,[most_recent_sql_handle] ,[login_time] ,[host_name] ,[program_name] ,[host_process_id] ,[client_version] ,[client_interface_ name] ,[security_id] ,[login_name] ,[nt_domain] ,[nt_user_name] ,[memory_usage] ,[total_scheduled_time] ,[last_request_start_time] ,[last_request_end_time] ,[is_user_process] ,[original_security_id] ,[original_login_name] ,[last_successful_logon] ,[last_unsuccessful_logon] ,[unsuccessful_logons] ,[authenticating_database_id] into #ttt from @tbl2 as tt group by [session_id] ,[request_id] ,[start_time] ,[status] ,[command] ,[sql_handle] ,[TSQL] ,[statement_start_offset] ,[statement_end_offset] ,[plan_handle] ,[database_id] ,[user_id] ,[connection_id] ,[blocking_session_id] ,[wait_type] ,[wait_time] ,[last_wait_type] ,[wait_resource] ,[open_transaction_count] ,[open_resultset_count] ,[transaction_id] ,[context_info] ,[percent_complete] ,[estimated_completion_time] ,[cpu_time] ,[total_elapsed _time] ,[scheduler_id] ,[task_address] ,[reads] ,[writes] ,[logical_reads] ,[text_size] ,[language] ,[date_format] ,[date_first] ,[quoted_identifier] ,[arithabort] ,[ansi_null_dflt_on] ,[ansi_defaults] ,[ansi_warnings] ,[ansi_padding] ,[ansi_nulls] ,[concat_null_yields_null] ,[transaction_isolation_level] ,[lock_timeout] ,[deadlock_priority] ,[row_count] ,[prev_error] ,[nest_level] ,[granted_query_memory] ,[executing_managed_code] ,[group_id] ,[query_hash] ,[query_plan_hash] ,[most_recent_session_id] ,[connect_time] ,[net_transport] ,[protocol_type] ,[protocol_version] ,[endpoint_id] ,[encrypt_option] ,[auth_scheme] ,[node_affinity] ,[num_reads] ,[num_writes] ,[last_read] ,[last_write] ,[net_packet_size] ,[client_net_address] ,[c lient_tcp_port] ,[local_net_address] ,[local_tcp_port] ,[parent_connection_id] ,[most_recent_sql_handle] ,[login_time] ,[host_name] ,[program_name] ,[host_process_id] ,[client_version] ,[client_interface_name] ,[security_id] ,[login_name] ,[nt_domain] ,[nt_user_name] ,[memory_usage] ,[total_scheduled_time] ,[last_request_start_time] ,[last_request_end_time] ,[is_user_process] ,[original_security_id] ,[original_login_name] ,[last_successful_logon] ,[last_unsuccessful_logon] ,[unsuccessful_logons] ,[authenticating_database_id]; UPDATE trg SET trg.[status] =case when (trg.[status]<>'suspended') then coalesce(src.[status] collate DATABASE_DEFAULT, trg.[status] collate DATABASE_DEFAULT) else trg.[status] end --,trg.[command] =coalesce(src.[command] collate DATABASE_DEFAULT, trg.[command] collate DATABASE_DEFAULT) --,trg.[sql_handle] =coalesce(src.[sql_handle] , trg.[sql_handle] ) --,trg.[TSQL] =coalesce(src.[TSQL] collate DATABASE_DEFAULT, trg.[TSQL] collate DATABASE_DEFAULT) ,trg.[statement_start_offset] =coalesce(src.[statement_start_offset] , trg.[statement_start_offset] ) ,trg.[statement_end_offset] =coalesce(src.[statement_end_offset] , trg.[statement_end_offset] ) --,trg.[plan_handle] =coalesce(src.[plan_handle] , trg.[plan_hand le] ) --,trg.[QueryPlan] =coalesce(src.[QueryPlan] , trg.[QueryPlan] ) --,trg.[connection_id] =coalesce(src.[connection_id] , trg.[connection_id] ) ,trg.[blocking_session_id] =coalesce(trg.[blocking_session_id] , src.[blocking_session_id] ) ,trg.[wait_type] =coalesce(trg.[wait_type] collate DATABASE_DEFAULT, src.[wait_type] collate DATABASE_DEFAULT) ,trg.[wait_time] =coalesce(src.[wait_time] , trg.[wait_time] ) ,trg.[last_wait_type] =coalesce(src.[last_wait_type] collate DATABASE_DEFAULT, trg.[last_wait_type] collate DATABASE_DEFAULT) ,trg.[wait_resource] =coalesce(src.[wait_resource] collate DATABASE_DEFAULT, trg.[wait_resource] collate DATABA SE_DEFAULT) ,trg.[open_transaction_count] =coalesce(src.[open_transaction_count] , trg.[open_transaction_count] ) ,trg.[open_resultset_count] =coalesce(src.[open_resultset_count] , trg.[open_resultset_count] ) --,trg.[transaction_id] =coalesce(src.[transaction_id] , trg.[transaction_id] ) ,trg.[context_info] =coalesce(src.[context_info] , trg.[context_info] ) ,trg.[percent_complete] =coalesce(src.[percent_complete] , trg.[percent_complete] ) ,trg.[estimated_completion_time] =coalesce(src.[estimated_completion_time] , trg.[estimated_completion_time] ) ,trg.[cpu_time] =coalesce(src.[cpu_time] , trg.[cpu_time] ) ,trg.[total_elapsed_time] =coalesce(src.[total_elapsed_time] , trg.[total_elapsed_time] ) ,trg.[scheduler_id] =coalesce(src.[scheduler_id] , trg.[scheduler_id] ) ,trg.[task_address] =coalesce(src.[task_address] , trg.[task_address] ) ,trg.[reads] =coalesce(src.[reads] , trg.[reads] ) ,trg.[writes] =coalesce(src.[writes] , trg.[writes] ) ,trg.[logical_reads] =coalesce(src.[logical_reads] , trg.[logical_reads] ) ,trg.[text_size] =coalesce(src.[text_size] , trg.[text_size] ) ,trg.[language] =coalesce(src.[language] collate DATABASE_DEFAULT, trg.[language] collate DATABASE_DEFAULT) ,trg.[date_format] =coalesce(src.[date_format] , trg.[date_format] ) ,trg.[date_first] =coalesce(src.[date_first] , trg.[date_first] ) ,trg.[quoted_identifier] =coalesce(src.[quoted_identifier] , trg.[quoted_identifier] ) ,trg.[arithabort] =coalesce(src.[arithabort] , trg.[arithabort] ) ,trg.[ansi_null_dflt_on] =coalesce(src.[ansi_null_dflt_on] , trg.[ansi_null_dflt_on] ) ,trg.[ansi_defaults] =coalesce(src.[ansi_defaults] , trg.[ansi_defaults] ) ,trg.[ansi_wa rnings] =coalesce(src.[ansi_warnings] , trg.[ansi_warnings] ) ,trg.[ansi_padding] =coalesce(src.[ansi_padding] , trg.[ansi_padding] ) ,trg.[ansi_nulls] =coalesce(src.[ansi_nulls] , trg.[ansi_nulls] ) ,trg.[concat_null_yields_null] =coalesce(src.[concat_null_yields_null] , trg.[concat_null_yields_null] ) ,trg.[transaction_isolation_level] =coalesce(src.[transaction_isolation_level] , trg.[transaction_isolation_level] ) ,trg.[lock_timeout] =coalesce(src.[lock_timeout] , trg.[lock_timeout] ) ,trg.[deadlock_priority] =coalesce(src.[deadlock_priority] , trg.[deadlock_priority] ) ,trg.[row_count] =coalesce(src.[row_count] , trg.[row_count] ) ,trg.[prev_error] =coalesce(src.[prev_error] , trg.[prev_error] ) ,trg.[nest_level] =coalesce(src.[nest_level] , trg.[nest_level] ) ,trg.[granted_query_memory] =coalesce(src.[granted_query_memory] , trg.[granted_query_memory] ) ,trg.[executing_managed_code] =coalesce(src.[executing_managed_code] , trg.[executing_managed_code] ) ,trg.[group_id] =coalesce(src.[group_id] , trg.[group_id] ) ,trg.[query_hash] =coalesce(src.[query_hash] , trg.[query_hash] ) ,trg.[query_plan_hash] =coalesce(src.[query_plan_hash] , trg.[query_plan_hash] ) ,trg.[most_recent_session_id] =coalesce(src.[most_recent_session_id] , trg.[most_recent_session_id] ) ,trg.[connect_time] =coalesce(src.[connect_time] , trg.[connect_time] ) ,trg.[net_transport] =coalesce(src.[net_transport] collate DATABASE_DEFAULT, trg.[net_transport] collate DATABASE_DEFAULT) ,trg.[protocol_type] =coalesce(src.[protocol_type] collate DATABASE_DEFAULT, trg.[protocol_type] collate DATABASE_DEFAULT) ,trg.[protocol_version] =coalesce(src.[protocol_version] , trg.[protocol_version] ) ,trg.[endpoint_id] =coalesce(src.[endpoint_id] , trg.[endpoint_id] ) ,trg.[encrypt_option] =coalesce(src.[encrypt_option] collate DATABASE_DEFAULT, trg.[encrypt_option] collate DATABASE_DEFAULT) ,trg.[auth_scheme] =coalesce(src.[auth_scheme] collate DATABASE_DEFAULT, trg.[auth_scheme] collate DATABASE_DEFAULT) ,trg.[node_affinity] =coalesce(src.[node_affinity] , trg.[node_affinity] ) ,trg.[num_reads] =coalesce(src.[num_reads] , trg.[num_reads] ) ,trg.[num_writes] =coalesce(src.[num_writes] , trg.[num_writes] ) ,trg.[last_read] =coalesce(src.[last_read] , trg.[last_read] ) ,trg.[last_write] =coalesce(src.[last_write] , trg.[last_write] ) ,trg.[net_packet_size] =coalesce(src.[net_packet_size] , trg.[net_packet_size] ) ,trg.[client_net_address] =coalesce(src.[client_net_address] collate DATABASE_DEFAULT, trg.[client_net_address] collate DATABASE_DEFAULT) ,trg.[client_tcp_port] =coalesce(src.[client_tcp_port] , trg.[client_tcp_port] ) ,trg.[local_net_address] =coalesce(src.[local_net_address] collate DATABASE_DEFAULT, trg.[local_net_address] collate DATABASE_DEFAULT) ,trg.[local_tcp_port] =coalesce(src.[local_tcp_port] , trg.[local_tcp_port] ) ,trg.[parent_connection_id] =coalesce(src.[parent_connection_id] , trg.[parent_connection_id] ) ,trg.[most_recent_sql_handle] =coalesce(src.[most_recent_sql_handle] , trg.[most_recent_sql_handle] ) ,trg.[login_time] =coalesce(src.[login_time] , trg.[login_time] ) ,trg.[host_name] =coalesce(src.[host_name] collate DATABASE_DEFAULT, trg.[host_name] collate DATABASE_DEFAULT) ,trg.[program_name] =coalesce(src.[program_name] collate DATABASE_DEFAULT, trg.[program_name] collate DATABASE_DEFAULT) ,trg.[host_process_id] =coalesce(src.[host_process_id] , trg.[host_process_id] ) ,trg.[client_version] =coalesce(src.[client_version] , trg.[client_version] ) ,trg.[client_interface_name] =coalesce(src.[client_interface_name] collate DATABASE_DEFAULT, trg.[client_interface_name] collate DATABASE_DEFAULT) ,trg.[security_id] =coalesce(src.[security_id] , trg.[security_id] ) ,trg.[login_name] =coalesce(src.[login_name] collate DATABASE_DEFAULT, trg.[login_name] collate DATABASE_DEFAULT) ,trg.[nt_domain] =coalesce(src.[nt_domain] collate DATABASE_DEFAULT, trg.[nt_domain] collate DATABASE_DEFAULT) ,trg.[nt_user_name] =coalesce(src.[nt_user_name] collate DATABASE_DEFAULT, trg.[nt_user_name] collate DATABASE_DEFAULT) ,trg.[memory_usage] =coalesce(src.[memory_usage] , trg.[memory_usage] ) ,trg.[total_scheduled_time] =coalesce(src.[total_scheduled_time] , trg.[total_scheduled_time] ) ,trg.[last_request_start_time] =coalesce(src.[last_request_start_time] , trg.[last_request_start_time] ) ,trg.[last_request_end_time] =coalesce(src.[last_request_end_time] , trg.[last_request_ end_time] ) ,trg.[is_user_process] =coalesce(src.[is_user_process] , trg.[is_user_process] ) ,trg.[original_security_id] =coalesce(src.[original_security_id] , trg.[original_security_id] ) ,trg.[original_login_name] =coalesce(src.[original_login_name] collate DATABASE_DEFAULT, trg.[original_login_name] collate DATABASE_DEFAULT) ,trg.[last_successful_logon] =coalesce(src.[last_successful_logon] , trg.[last_successful_logon] ) ,trg.[last_unsuccessful_logon] =coalesce(src.[last_unsuccessful_logon] , trg.[last_unsuccessful_logon] ) ,trg.[unsuccessful_logons] =coalesce(src.[unsuccessful_logons] , trg.[unsuccessful_logons] ) ,trg.[authenticating_database_id] =coal esce(src.[authenticating_database_id] , trg.[authenticating_database_id] ) from [srv].[RequestStatistics] as trg inner join #ttt as src on (trg.[session_id]=src.[session_id]) and (trg.[request_id]=src.[request_id]) and (trg.[database_id]=src.[database_id]) and (trg.[user_id]=src.[user_id]) and (trg.[start_time]=src.[start_time]) and (trg.[command] collate DATABASE_DEFAULT=src.[command] collate DATABASE_DEFAULT) and ((trg.[sql_handle]=src.[sql_handle] and src.[sql_handle] IS NOT NULL) or (src.[sql_handle] IS NULL)) and ((trg.[plan_handle]=src.[plan_handle] and src.[plan_handle] IS NOT NULL) or (src.[plan_handle] IS NULL)) and (trg.[transaction_id]=src.[transaction_id]) and ((trg.[connection_id]=src.[connection_id] and src.[connection_id] IS NOT NULL) or (src.[connection_id] IS NULL)); UPDATE trg SET trg.[EndRegUTCDate]=GetUTCDate() from [srv].[RequestStatistics] as trg where not exists( select top(1) 1 from #ttt as src where (trg.[session_id]=src.[session_id]) and (trg.[request_id]=src.[request_id]) and (trg.[database_id]=src.[database_id]) and (trg.[user_id]=src.[user_id]) and (trg.[start_time]=src.[start_time]) and (trg.[command] collate DATABASE_DEFAULT=src.[command] collate DATABASE_DEFAULT) and ((trg.[sql_handle]=src.[sql_handle] and src.[sql_handle] IS NOT NULL) or (src.[sql_handle] IS NULL)) and ((trg.[plan_handle]=src.[plan_handle] and src.[plan_handle] IS NOT NULL) or (src.[plan_handle] IS NULL)) and (trg.[transaction_id]=src.[transaction_id]) and ((trg.[connection_id]=src.[connection_id] and src.[connection_id] IS NOT NULL) or (src.[connection_id] IS NULL)) ); INSERT into [srv].[RequestStatistics] ([session_id] ,[request_id] ,[start_time] ,[status] ,[command] ,[sql_handle] --,[TSQL] ,[statement_start_offset] ,[statement_end_offset] ,[plan_handle] --,[QueryPlan] ,[database_id] ,[user_id] ,[connection_id] ,[blocking_session_id] ,[wait_type] ,[wait_time] ,[last_wait_type] ,[wait_resource] ,[open_transaction_count] ,[open_resultset_count] ,[transaction_id] ,[context_info] ,[percent_complete] ,[estimated_completion_time] ,[cpu_time] ,[total_elapsed_time] ,[scheduler_id] ,[task_address] ,[reads] ,[writes] ,[logical_reads] ,[text_size] ,[language] ,[date_format] ,[date_first] ,[quoted_identifier] ,[arithabort] ,[ansi_null_dflt_on] ,[ansi_defaults] ,[ansi_warnings] ,[ansi_padding] ,[ansi_nulls] ,[concat_null_yields_null] ,[transaction_isolation_level] ,[lock_timeout] ,[deadlock_priority] ,[row_count] ,[prev_error] ,[nest_level] ,[granted_query_memory] ,[executing_managed_code] ,[group_id] ,[query_hash] ,[query_plan_hash] ,[most_recent_session_id] ,[connect_time] ,[net_transport] ,[protocol_type] ,[protocol_version] ,[endpoint_id] ,[encrypt_option] ,[auth_scheme] ,[node_affinity] ,[num_reads] ,[num_writes] ,[last_read] ,[last_write] ,[net_packet_size] ,[client_net_address] ,[client_tcp_p ort] ,[local_net_address] ,[local_tcp_port] ,[parent_connection_id] ,[most_recent_sql_handle] ,[login_time] ,[host_name] ,[program_name] ,[host_process_id] ,[client_version] ,[client_interface_name] ,[security_id] ,[login_name] ,[nt_domain] ,[nt_user_name] ,[memory_usage] ,[total_scheduled_time] ,[last_request_start_time] ,[last_request_end_time] ,[is_user_process] ,[original_security_id] ,[original_login_name] ,[last_successful_logon] ,[last_unsuccessful_logon] ,[unsuccessful_logons] ,[authenticating_database_id]) select src.[session_id] ,src.[request_id] ,src.[start_time] ,src.[status] ,src.[command] ,src.[sql_handle] --,src.[TSQL] ,src.[state ment_start_offset] ,src.[statement_end_offset] ,src.[plan_handle] --,src.[QueryPlan] ,src.[database_id] ,src.[user_id] ,src.[connection_id] ,src.[blocking_session_id] ,src.[wait_type] ,src.[wait_time] ,src.[last_wait_type] ,src.[wait_resource] ,src.[open_transaction_count] ,src.[open_resultset_count] ,src.[transaction_id] ,src.[context_info] ,src.[percent_complete] ,src.[estimated_completion_time] ,src.[cpu_time] ,src.[total_elapsed_time] ,src.[scheduler_id] ,src.[task_address] ,src.[reads] ,src.[writes] ,src.[logical_reads] ,src.[text_size] ,src.[language] ,src.[date_format] ,src.[date_first] ,src.[quoted_identifier] ,src.[arithabort] ,src.[ansi_null_dflt_ on] ,src.[ansi_defaults] ,src.[ansi_warnings] ,src.[ansi_padding] ,src.[ansi_nulls] ,src.[concat_null_yields_null] ,src.[transaction_isolation_level] ,src.[lock_timeout] ,src.[deadlock_priority] ,src.[row_count] ,src.[prev_error] ,src.[nest_level] ,src.[granted_query_memory] ,src.[executing_managed_code] ,src.[group_id] ,src.[query_hash] ,src.[query_plan_hash] ,src.[most_recent_session_id] ,src.[connect_time] ,src.[net_transport] ,src.[protocol_type] ,src.[protocol_version] ,src.[endpoint_id] ,src.[encrypt_option] ,src.[auth_scheme] ,src.[node_affinity] ,src.[num_reads] ,src.[num_writes] ,src.[last_read] ,src.[last_write] ,src.[net_packet_size] ,src.[ client_net_address] ,src.[client_tcp_port] ,src.[local_net_address] ,src.[local_tcp_port] ,src.[parent_connection_id] ,src.[most_recent_sql_handle] ,src.[login_time] ,src.[host_name] ,src.[program_name] ,src.[host_process_id] ,src.[client_version] ,src.[client_interface_name] ,src.[security_id] ,src.[login_name] ,src.[nt_domain] ,src.[nt_user_name] ,src.[memory_usage] ,src.[total_scheduled_time] ,src.[last_request_start_time] ,src.[last_request_end_time] ,src.[is_user_process] ,src.[original_security_id] ,src.[original_login_name] ,src.[last_successful_logon] ,src.[last_unsuccessful_logon] ,src.[unsuccessful_logons] ,src.[authenticating_database_id] from #ttt as src where not exists( select top(1) 1 from [srv].[RequestStatistics] as trg where (trg.[session_id]=src.[session_id]) and (trg.[request_id]=src.[request_id]) and (trg.[database_id]=src.[database_id]) and (trg.[user_id]=src.[user_id]) and (trg.[start_time]=src.[start_time]) and (trg.[command] collate DATABASE_DEFAULT=src.[command] collate DATABASE_DEFAULT) and ((trg.[sql_handle]=src.[sql_handle] and src.[sql_handle] IS NOT NULL) or (src.[sql_handle] IS NULL)) and ((trg.[plan_handle]=src.[plan_handle] and src.[plan_handle] IS NOT NULL) or (src.[plan_handle] IS NULL)) and (trg.[transaction_id]=src.[transaction_id]) and ((trg.[connection_id]=src.[connection_id] and src.[connection_id] IS NOT NULL) or (src.[connection_id] IS NULL)) ); drop table #ttt;ENDGO

[/expand]

It is possible to automate the collection process. For example, if we add a call to this stored procedure with a schedule to the Agent task (for example, every 10 seconds) or by event (for example, [Databases]. [Active Transactions]. [_ Total]> 0).

At the end of the day, we perform a general analysis and save the result to the table calling the stored procedure.

Implementation of the table

USE [DATABASE_NAME]GOSET ANSI_NULLS ONGOSET QUOTED_IDENTIFIER ONGOCREATE TABLE [srv].[IndicatorStatistics]( [execution_count] [bigint] NOT NULL, [max_total_elapsed_timeSec] [decimal](38, 6) NOT NULL, [max_total_elapsed_timeLastSec] [decimal](38, 6) NOT NULL, [DATE] [date] NOT NULL, CONSTRAINT [PK_IndicatorStatistics] PRIMARY KEY CLUSTERED ( [DATE] ASC)WITH (PAD_INDEX =OFF, STATISTICS_NORECOMPUTE =OFF, IGNORE_DUP_KEY =OFF, ALLOW_ROW_LOCKS =ON, ALLOW_PAGE_LOCKS =ON) ON [PRIMARY]) ON [PRIMARY]GO

Implementation of the stored procedure

[expand title=”Code”]

USE [DATABASE_NAME]GOSET ANSI_NULLS ONGOSET QUOTED_IDENTIFIER ONGOCREATE PROCEDURE [srv].[AutoStatisticsTimeRequests]ASBEGIN SET NOCOUNT ON;トランザクション分離レベルの読み取りをコミットせずに設定します。 delete from [srv].[TSQL_DAY_Statistics] where [DATE]<=DateAdd(day,-180,GetUTCDate()); INSERT INTO [srv].[TSQL_DAY_Statistics] ([command] ,[DBName] ,[PlanHandle] ,[SqlHandle] ,[execution_count] ,[min_wait_timeSec] ,[min_estimated_completion_timeSec] ,[min_cpu_timeSec] ,[min_total_elapsed_timeSec] ,[min_lock_timeoutSec] ,[max_wait_timeSec] ,[max_estimated_completion_timeSec] ,[max_cpu_timeSec] ,[max_total_elapsed_timeSec] ,[max_lock_timeoutSec] ,[DATE]) SELECT [command] ,[DBName] ,[plan_handle] ,[sql_handle] ,count(*) as [execution_count] ,min([wait_timeSec]) as [min_wait_timeSec] ,min([estimated_completion_timeSec]) as [min_estimated_completion_timeSec] ,min([cpu_timeSec]) as [min_cpu_timeSec] ,min([total_elapsed_timeSec]) as [min_total_elapsed_timeSec] ,min([lock_timeoutSec]) as [min_lock_timeoutSec] ,max([wait_timeSec]) as [max_wait_timeSec] ,max([estimated_completion_timeSec]) as [max_estimated_completion_timeSec] ,max([cpu_timeSec]) as [max_cpu_timeSec] ,max([total_elapsed_timeSec]) as [max_total_elapsed_timeSec] ,max([lock_timeoutSec]) as [max_lock_timeoutSec] ,cast([InsertUTCDate] as [DATE]) as [DATE] FROM [srv].[vRequestStatistics] with(readuncommitted) where cast([InsertUTCDate] as date) =DateAdd(day,-1,cast(GetUTCDate() as date)) and [command] in ( 'UPDATE', 'TRUNCATE TABLE', 'SET OPTION ON', 'SET COMMAND', 'SELECT INTO', 'SELECT', 'NOP', 'INSERT', 'EXECUTE', 'DELETE', 'DECLARE', 'CONDITIONAL', 'BULK INSERT', 'BEGIN TRY', 'BEGIN CATCH', 'AWAITING COMMAND', 'ASSIGN', 'ALTER TABLE' ) and [database_id] in ( /*a list of tracked databases through DB_ID(‘database_name’)*/ ) and [DBName] is not null group by [command] ,[DBName] ,[plan_handle] ,[sql_handle] ,cast([InsertUTCDate] as [DATE]); declare @inddt int=1;;with tbl11 as ( select [SqlHandle], max([max_total_elapsed_timeSec]) as [max_total_elapsed_timeSec] ,min([max_total_elapsed_timeSec]) as [min_max_total_elapsed_timeSec] ,avg([max_total_elapsed_timeSec]) as [avg_max_total_elapsed_timeSec] ,sum([execution_count]) as [execution_count] from [srv].[TSQL_DAY_Statistics] where [max_total_elapsed_timeSec]>=0.001 and [DATE]=0.001 and [DATE]=cast(DateAdd(day,[email protected],cast(GetUTCDate() as date)) as date) group by [SqlHandle], [DATE] ) , tbl1_sum as (select sum([execution_count]) as [sum_execution_count] from tbl11) , t bl1_total as ( select (select [sum_execution_count] from tbl1_sum) as [execution_count] , sum(tbl11.[max_total_elapsed_timeSec]*tbl11.[execution_count])/(select [sum_execution_count] from tbl1_sum) as [max_total_elapsed_timeSec] , sum(tbl12.[max_total_elapsed_timeSec]*tbl11.[execution_count])/(select [sum_execution_count] from tbl1_sum) as [max_total_elapsed_timeLastSec] , tbl12.[DATE] from tbl11 inner join tbl12 on tbl11.[SqlHandle]=tbl12.[SqlHandle] group by tbl12.[DATE] ) INSERT INTO [srv].[IndicatorStatistics] ([DATE] ,[execution_count] ,[max_total_elapsed_timeSec] ,[max_total_elapsed_timeLastSec] ) select t1.[DATE] ,t1.[execution_count] ,t1.[max_total_elapsed_timeSec] ,t1.[max_total_elapsed_timeLastSec] from tbl1_total as t1; declare @dt datetime=DateAdd(day,-2,GetUTCDate()); INSERT INTO [srv].[RequestStatisticsArchive] ([session_id] ,[request_id] ,[start_time] ,[status] ,[command] ,[sql_handle] ,[statement_start_offset] ,[statement_end_offset] ,[plan_handle] ,[database_id] ,[user_id] ,[connection_id] ,[blocking_session_id] ,[wait_type] ,[wait_time] ,[last_wait_type] ,[wait_resource] ,[open_transaction_count] ,[open_resultset_count] ,[transaction_id] ,[context_info] ,[percent_complete] ,[estimated_completion_time] ,[cpu_time] ,[total_elapsed_time] ,[scheduler_id] ,[task_address] ,[reads] ,[writes] ,[logical_reads] ,[text_size] ,[language] ,[date_format] ,[date_first] ,[quoted_identifier] ,[arithabort] ,[ansi_null_dflt_on] ,[ansi_defaults] ,[ansi_warnings] ,[ansi_padding] ,[ansi_nulls] ,[concat_null_yields_null] ,[transaction_isolation_level] ,[lock_timeout] ,[deadlock_priority] ,[row_count] ,[prev_error] ,[nest_level] ,[granted_query_memory] ,[executing_managed_code] ,[group_id] ,[query_hash] ,[query_plan_hash] ,[most_recent_session_id] ,[connect_time] ,[net_transport] ,[protocol_type] ,[protocol_version] ,[endpoint_id] ,[encrypt_option] ,[auth_scheme] ,[node_affinity] ,[num_reads] ,[num_writes] ,[last_read] ,[last_write] ,[net_packet_size] ,[client_net_address] ,[client_tcp_port] ,[local_net_address] ,[local_tcp_port] ,[parent_con nection_id] ,[most_recent_sql_handle] ,[login_time] ,[host_name] ,[program_name] ,[host_process_id] ,[client_version] ,[client_interface_name] ,[security_id] ,[login_name] ,[nt_domain] ,[nt_user_name] ,[memory_usage] ,[total_scheduled_time] ,[last_request_start_time] ,[last_request_end_time] ,[is_user_process] ,[original_security_id] ,[original_login_name] ,[last_successful_logon] ,[last_unsuccessful_logon] ,[unsuccessful_logons] ,[authenticating_database_id] ,[InsertUTCDate] ,[EndRegUTCDate]) SELECT [session_id] ,[request_id] ,[start_time] ,[status] ,[command] ,[sql_handle] ,[statement_start_offset] ,[statement_end_offset] ,[plan_handle] ,[database_id] ,[user_id] ,[connection_id] ,[blocking_session_id] ,[wait_type] ,[wait_time] ,[last_wait_type] ,[wait_resource] ,[open_transaction_count] ,[open_resultset_count] ,[transaction_id] ,[context_info] ,[percent_complete] ,[estimated_completion_time] ,[cpu_time] ,[total_elapsed_time] ,[scheduler_id] ,[task_address] ,[reads] ,[writes] ,[logical_reads] ,[text_size] ,[language] ,[date_format] ,[date_first] ,[quoted_identifier] ,[arithabort] ,[ansi_null_dflt_on] ,[ansi_defaults] ,[ansi_warnings] ,[ansi_padding] ,[ansi_nulls] ,[concat_null_yields_null] ,[transaction_isolation_level] ,[lock_timeout] ,[deadlock_priority] ,[row_count] ,[prev_er ror] ,[nest_level] ,[granted_query_memory] ,[executing_managed_code] ,[group_id] ,[query_hash] ,[query_plan_hash] ,[most_recent_session_id] ,[connect_time] ,[net_transport] ,[protocol_type] ,[protocol_version] ,[endpoint_id] ,[encrypt_option] ,[auth_scheme] ,[node_affinity] ,[num_reads] ,[num_writes] ,[last_read] ,[last_write] ,[net_packet_size] ,[client_net_address] ,[client_tcp_port] ,[local_net_address] ,[local_tcp_port] ,[parent_connection_id] ,[most_recent_sql_handle] ,[login_time] ,[host_name] ,[program_name] ,[host_process_id] ,[client_version] ,[client_interface_name] ,[security_id] ,[login_name] ,[nt_domain] ,[nt_user_name] ,[memory_usage] ,[total_scheduled_time] ,[last_request_start_time] ,[last_request_end_time] ,[is_user_process] ,[original_security_id] ,[original_login_name] ,[last_successful_logon] ,[last_unsuccessful_logon] ,[unsuccessful_logons] ,[authenticating_database_id] ,[InsertUTCDate] ,[EndRegUTCDate] FROM [srv].[RequestStatistics] where [InsertUTCDate] 
 [/expand]
 
 As you can see, the stored procedure also removes data from the [srv]. [RequestStatistics] table to prevent its expansion and ensure quick snapshots of active queries.
 
 We can create this stored procedure during daily Agent calls at the end of the day.
 
 Now, move to the very analysis of the collected data. To compare the current database state to the previous period, use the following view.
 
 Implementation of the view  
 USE [DATABASE_NAME]GOSET ANSI_NULLS ONGOSET QUOTED_IDENTIFIER ONGOCREATE view [srv].[vIndicatorStatistics] asSELECT [DATE] ,[execution_count] ,[max_total_elapsed_timeSec] ,[max_total_elapsed_timeLastSec] ,[max_total_elapsed_timeLastSec]-[max_total_elapsed_timeSec] as [DiffSnapshot] ,([max_total_elapsed_timeLastSec]-[max_total_elapsed_timeSec])*100/[max_total_elapsed_timeSec] as [% Snapshot] , case when ([max_total_elapsed_timeLastSec]<[max_total_elapsed_timeSec]) then N'IMPROVED' else case when ([max_total_elapsed_timeLastSec]>[max_total_elapsed_timeSec]) then N'WORSENED' else N'IS NOT CHANGED' end end as 'IndicatorSnapshot' FROM [srv].[IndicatorStatistics]GO
 
 To compare the current database state to the specific day, execute the following query:
 with tbl1 as ( select min(total_elapsed_timeSec) as [MIN], max(total_elapsed_timeSec) as [MAX], avg(total_elapsed_timeSec) as [AVG], [sql_handle], count(*) as [Count], '2017-11-01' as [DATE] from [srv].[vRequestStatisticsArchive] where [start_time] between '2017-11-01T07:00:00' and '2017-11-01T21:00:00' group by [sql_handle]), tbl2 as ( select min(total_elapsed_timeSec) as [MIN], max(total_elapsed_timeSec) as [MAX], avg(total_elapsed_timeSec) as [AVG], [sql_handle], count(*) as [Count], '2017-11-08' as [DATE] from [srv].[vRequestStatistics] where [start_time] between '2017-11-08T07:00:00' and '2017-11-08T21:00:00' group by [sql_handle])select coalesce(tbl1.[sql_handle], tbl2.[sql_handle]) as [sql_handle], coalesce(tbl1.[MIN], 0) as [MIN 01.11.2017], coalesce(tbl2.[MIN], 0) as [MIN 08.11.2017], coalesce(tbl1.[MAX], 0) as [MAX 01.11.2017], coalesce(tbl2.[MAX], 0) as [MAX 08.11.2017], coalesce(tbl1.[AVG], 0) as [AVG 01.11.2017], coalesce(tbl2.[AVG], 0) as [AVG 08.11.2017], coalesce(tbl1.[Count], 0) as [Count 01.11.2017], coalesce(tbl2.[Count], 0) as [Count 08.11.2017]from tbl1left outer join tbl2 on tbl1.[sql_handle]=tbl2.[sql_handle];GO
 
 Here, we compare the performance from 07-00 to 21-00 on November 1 and 8, 2017 (for example, it is the working time of the enterprise to exclude the analysis of the routine tasks).
 
 We can generate this upload as a detailed report and attach it to the general report obtained from the [srv]. [VIndicatorStatistics] view.
 
 To understand how the query was executed and what happened from time to time, it’s enough to use the [srv]. [vRequestStatistics] view with the filter by [start_time] (the date and time of the request received).  
 概要
 
 In this article, we considered an example of implementing a general MS SQL Server performance indicator, which allows determining the database state related to the previous period or a specific day. As a metric, we used total elapsed time.
 
 This method is universal. It is necessary to configure it, up to your needs, as well as to determine the measure, such as what we will collect and compare.
 
 In addition, this approach allows detecting the issue immediately or for a certain period.
 
 With the received data, it is possible to create a robot that would make decisions what queries to improve or disable to prevent system bottlenecks and notifications of administrators.