Performance Schema replication_applier_status_by_worker Table
MariaDB starting with 10.6.0
The replication_applier_status_by_worker table was added in MariaDB 10.6.0.
The Performance Schema replication_applier_status_by_worker table displays replica worker thread specific information.
It contains the following fields.
| Column | Description |
|---|---|
| CHANNEL_NAME | Name of replication channel through which the transaction is received. |
| THREAD_ID | Thread_Id as displayed in the performance_schema.threads table for thread with name 'thread/sql/rpl_parallel_thread'. THREAD_ID will be NULL when worker threads are stopped due to error/force stop. |
| SERVICE_STATE | Whether or not the thread is running. |
| LAST_SEEN_TRANSACTION | Last GTID executed by worker |
| LAST_ERROR_NUMBER | Last Error that occurred on a particular worker. |
| LAST_ERROR_MESSAGE | Last error specific message. |
| LAST_ERROR_TIMESTAMP | Time stamp of last error. |
| WORKER_IDLE_TIME | Total idle time in seconds that the worker thread has spent waiting for work from SQL thread. |
| LAST_TRANS_RETRY_COUNT | Total number of retries attempted by last transaction. |
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