If you wan to know the sync status of a always On availability group database replication, this command can be used:
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SELECT ar.replica_server_name, adc.database_name, ag.name AS ag_name, drs.is_local, drs.is_primary_replica, drs.synchronization_state_desc, drs.is_commit_participant, drs.synchronization_health_desc, drs.recovery_lsn, drs.truncation_lsn, drs.last_sent_lsn, drs.last_sent_time, drs.last_received_lsn, drs.last_received_time, drs.last_hardened_lsn, drs.last_hardened_time, drs.last_redone_lsn, drs.last_redone_time, drs.log_send_queue_size, drs.log_send_rate, drs.redo_queue_size, drs.redo_rate, drs.filestream_send_rate, drs.end_of_log_lsn, drs.last_commit_lsn, drs.last_commit_time FROM sys.dm_hadr_database_replica_states AS drs INNER JOIN sys.availability_databases_cluster AS adc ON drs.group_id = adc.group_id AND drs.group_database_id = adc.group_database_id INNER JOIN sys.availability_groups AS ag ON ag.group_id = drs.group_id INNER JOIN sys.availability_replicas AS ar ON drs.group_id = ar.group_id AND drs.replica_id = ar.replica_id ORDER BY ag.name, ar.replica_server_name, adc.database_name; |