监控自动种子设定
系统动态管理视图
sys.dm_hadr_automatic_seeding
在主要副本上,查询 sys.dm_hadr_automatic_seeding 以检查自动种子设定过程的状态。 对于每个种子设定过程,该视图都将返回一行。 例如:
SELECT start_time, completion_time, is_source, current_state, failure_state, failure_state_desc, error_code FROM sys.dm_hadr_automatic_seeding
sys.dm_hadr_physical_seeding_stats
在主要副本上,查询 sys.dm_hadr_physical_seeding_stats DMV 以查看当前运行的每个种子设定过程的物理统计信息。 种子设定正在运行时,以下查询将返回多行:
SELECT local_database_name, role_desc, internal_state_desc, transfer_rate_bytes_per_second, transferred_size_bytes, database_size_bytes, start_time_utc, end_time_utc, estimate_time_complete_utc, total_disk_io_wait_time_ms, total_network_wait_time_ms, is_compression_enabled FROM sys.dm_hadr_physical_seeding_stats
错误日志
扩展事件
下表列出了与自动种子设定相关的扩展事件:
属性 | 描述 |
hadr_db_manager_seeding_request_msg | 种子设定请求消息 |
hadr_physical_seeding_backup_state_change | 物理种子设定备份端状态更改 |
hadr_physical_seeding_restore_state_change | 物理种子设定还原端状态更改 |
hadr_physical_seeding_forwarder_state_change | 物理种子设定转发器端状态更改 |
hadr_physical_seeding_forwarder_target_state_change | 物理种子设定转发器目标端状态更改 |
hadr_physical_seeding_submit_callback | 物理种子设定提交回调事件 |
hadr_physical_seeding_failure | 物理种子设定失败事件 |
hadr_physical_seeding_progress | 物理种子设定进度事件 |
hadr_physical_seeding_schedule_long_task_failure | 物理种子设定计划长任务失败事件 |
hadr_automatic_seeding_start | 在提交自动种子设定操作时发生 |
hadr_automatic_seeding_state_transition | 在自动种子设定操作更改状态时发生 |
hadr_automatic_seeding_success | 在自动种子设定操作成功时发生 |
hadr_automatic_seeding_failure | 在自动种子设定操作失败时发生 |
hadr_automatic_seeding_timeout | 在自动种子设定操作超时时发生 |
创建扩展事件
CREATE EVENT SESSION [DirectSeed] ON SERVER ADD EVENT sqlserver.hadr_ar_controller_debug( ACTION(sqlserver.database_id,sqlserver.sql_text,sqlserver.tsql_stack)), ADD EVENT sqlserver.hadr_automatic_seeding_failure( ACTION(sqlserver.database_id,sqlserver.sql_text,sqlserver.tsql_stack)), ADD EVENT sqlserver.hadr_automatic_seeding_start( ACTION(sqlserver.database_id,sqlserver.sql_text,sqlserver.tsql_stack)), ADD EVENT sqlserver.hadr_automatic_seeding_state_transition( ACTION(sqlserver.database_id,sqlserver.sql_text,sqlserver.tsql_stack)), ADD EVENT sqlserver.hadr_automatic_seeding_success( ACTION(sqlserver.database_id,sqlserver.sql_text,sqlserver.tsql_stack)), ADD EVENT sqlserver.hadr_automatic_seeding_timeout( ACTION(sqlserver.database_id,sqlserver.sql_text,sqlserver.tsql_stack)) ADD TARGET package0.event_file(SET filename=N'C:\XE\DirectSeed.xel',max_rollover_files=(10)) GO CREATE EVENT SESSION [PhysicalSeed] ON SERVER ADD EVENT sqlserver.hadr_physical_seeding_backup_state_change( ACTION(sqlserver.database_id,sqlserver.sql_text,sqlserver.tsql_stack)), ADD EVENT sqlserver.hadr_physical_seeding_failure( ACTION(sqlserver.database_id,sqlserver.sql_text,sqlserver.tsql_stack)), ADD EVENT sqlserver.hadr_physical_seeding_forwarder_state_change( ACTION(sqlserver.database_id,sqlserver.sql_text,sqlserver.tsql_stack)), ADD EVENT sqlserver.hadr_physical_seeding_forwarder_target_state_change( ACTION(sqlserver.database_id,sqlserver.sql_text,sqlserver.tsql_stack)), ADD EVENT sqlserver.hadr_physical_seeding_progress( ACTION(sqlserver.database_id,sqlserver.sql_text,sqlserver.tsql_stack)), ADD EVENT sqlserver.hadr_physical_seeding_restore_state_change( ACTION(sqlserver.database_id,sqlserver.sql_text,sqlserver.tsql_stack)), ADD EVENT sqlserver.hadr_physical_seeding_schedule_long_task_failure( ACTION(sqlserver.database_id,sqlserver.sql_text,sqlserver.tsql_stack)), ADD EVENT sqlserver.hadr_physical_seeding_submit_callback( ACTION(sqlserver.database_id,sqlserver.sql_text,sqlserver.tsql_stack)) ADD TARGET package0.event_file(SET filename=N'C:\XE\PhysicalSeed',max_rollover_files=(10)) GO ALTER EVENT SESSION [DirectSeed] ON SERVER STATE = START ALTER EVENT SESSION [PhysicalSeed] ON SERVER STATE = START
分析扩展事件
IF OBJECT_ID('tempdb..#DirectSeed') IS NOT NULL DROP TABLE [#DirectSeed]; CREATE TABLE [#DirectSeed] ( [ID] INT IDENTITY(1, 1) NOT NULL , [EventXML] XML , CONSTRAINT [PK_DirectSeed] PRIMARY KEY CLUSTERED ( [ID] ) ); INSERT [#DirectSeed] ( [EventXML] ) SELECT CONVERT(XML, [event_data]) AS [EventXML] FROM [sys].[fn_xe_file_target_read_file]('C:\XE\DirectSeed*.xel', NULL, NULL, NULL) CREATE PRIMARY XML INDEX [DirectSeedXML] ON [#DirectSeed]([EventXML]); CREATE XML INDEX [DirectSeedXMLPath] ON [#DirectSeed]([EventXML]) USING XML INDEX [DirectSeedXML] FOR VALUE; SELECT [ds].[EventXML].[value]('(/event/@name)[1]', 'VARCHAR(MAX)') AS [event_name], [ds].[EventXML].[value]('(/event/@timestamp)[1]', 'DATETIME2(7)') AS [event_time], [ds].[EventXML].[value]('(/event/data[@name="debug_message"]/value)[1]', 'VARCHAR(8000)') AS [debug_message], /*hadr_automatic_seeding_state_transition*/ [ds].[EventXML].[value]('(/event/data[@name="previous_state"]/value)[1]', 'VARCHAR(8000)') AS [previous_state], [ds].[EventXML].[value]('(/event/data[@name="current_state"]/value)[1]', 'VARCHAR(8000)') AS [current_state], /*hadr_automatic_seeding_start*/ [ds].[EventXML].[value]('(/event/data[@name="operation_attempt_number"]/value)[1]', 'BIGINT') as [operation_attempt_number], [ds].[EventXML].[value]('(/event/data[@name="ag_id"]/value)[1]', 'VARCHAR(8000)') AS [ag_id], [ds].[EventXML].[value]('(/event/data[@name="ag_db_id"]/value)[1]', 'VARCHAR(8000)') AS [ag_id], [ds].[EventXML].[value]('(/event/data[@name="ag_remote_replica_id"]/value)[1]', 'VARCHAR(8000)') AS [ag_remote_replica_id], /*hadr_automatic_seeding_success*/ [ds].[EventXML].[value]('(/event/data[@name="required_seeding"]/value)[1]', 'VARCHAR(8000)') AS [required_seeding], /*hadr_automatic_seeding_timeout*/ [ds].[EventXML].[value]('(/event/data[@name="timeout_ms"]/value)[1]', 'BIGINT') as [timeout_ms], /*hadr_automatic_seeding_failure*/ [ds].[EventXML].[value]('(/event/data[@name="failure_state"]/value)[1]', 'BIGINT') as [failure_state], [ds].[EventXML].[value]('(/event/data[@name="failure_state_desc"]/value)[1]', 'VARCHAR(8000)') AS [failure_state_desc] FROM [#DirectSeed] AS [ds] ORDER BY [ds].[EventXML].[value]('(/event/@timestamp)[1]', 'DATETIME2(7)') DESC
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