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Editor to share with you the sample code of AGStatus SQL in the database, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Select n.grouppapername REMOTE' END as is_local,rs.connected_state_desc WHEN rs.is_local = 1 THEN local 'ELSE' REMOTE' END as is_local,rs.connected_state_desc CASE WHEN drs.suspend_reason_desc='SUSPEND_FROM_USER' THEN 'user manually suspended data movement' WHEN drs.suspend_reason_desc='SUSPEND_FROM_REDO' THEN 'error in redo phase' WHEN drs.suspend_reason_desc='SUSPEND_FROM_CAPTURE' THEN 'error while capturing log on master copy' WHEN drs.suspend_reason_desc='SUSPEND_FROM_UNDO' THEN 'error in undo phase (see error log) 'WHEN drs.suspend_reason_desc='SUSPEND_FROM_XRF_UPDATE' THEN' cannot find the public log point (see error log) 'END as is_suspended -- whether the database hangs and causes drs.synchronization_health_desc,ISNULL (drs.redo_queue_size,0) as redo_queue_size,-- the number of log records in the log files of the secondary copy that have not yet been redone (KB) ELSE CAST (ISNULL (drs.log_send_queue_size,0) * 1./ISNULL (drs.log_send_rate,0) AS DECIMAL (18Magne2)) CASE WHEN ISNULL (drs.redo_rate) 0) = 0 THEN 0END as redo_need_time-it takes time for the log record redo in the secondary copy to complete (seconds) join sys.dm_hadr_availability_replica_cluster_states csjoin sys.dm_hadr_availability_replica_states rsjoin sys.dm_hadr_database_replica_states drswhere rs.connected_state_desc'CONNECTED'or drs.is_suspended0or CASE WHEN ISNULL (drs.redo_rate,0) = 0 THEN 0 ELSE CAST (ISNULL (drs.redo_queue_size,0) * 1./ISNULL (drs.redo_rate) 0) AS DECIMAL (18Pol 2)) END > 100

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