Semisynchronous Replication Plugin Status Variables

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This page documents status variables related to the Semisynchronous Replication Plugin. See Server Status Variables for a complete list of status variables that can be viewed with SHOW STATUS.

See also the Full list of MariaDB options, system and status variables.

Rpl_semi_sync_master_clients

  • Description: Number of semisynchronous slaves.
  • Data Type: numeric

Rpl_semi_sync_master_net_avg_wait_time

  • Description:
  • Data Type: numeric

Rpl_semi_sync_master_net_wait_time

  • Description:
  • Data Type: numeric

Rpl_semi_sync_master_net_waits

  • Description:
  • Data Type: numeric

Rpl_semi_sync_master_no_times

  • Description:
  • Data Type: numeric

Rpl_semi_sync_master_no_tx

  • Description:
  • Data Type: numeric

Rpl_semi_sync_master_status

  • Description: Whether or not semisynchronous replication is currently operating on the master. The value will be ON if both the plugin has been enabled and a commit acknowledgment has occurred. It will be #OFF if either the plugin has not been enabled, or the master is replicating asynchronously due to a commit acknowledgment timeout.
  • Data Type: boolean

Rpl_semi_sync_master_timefunc_failures

  • Description:
  • Data Type: numeric

Rpl_semi_sync_master_tx_avg_wait_time

  • Description:
  • Data Type: numeric

Rpl_semi_sync_master_tx_wait_time

  • Description:
  • Data Type: numeric

Rpl_semi_sync_master_tx_waits

  • Description:
  • Data Type: numeric

Rpl_semi_sync_master_wait_pos_backtraverse

  • Description:
  • Data Type: numeric

Rpl_semi_sync_master_wait_sessions

  • Description:
  • Data Type: numeric

Rpl_semi_sync_master_yes_tx

  • Description: Number of commits that have been successfully acknowledged by a slave.
  • Data Type: numeric

Rpl_semi_sync_slave_status

  • Description: Whether or not semisynchronous replication is currently operating on the slave. ON if both the plugin has been enabled and the slave I/O thread is running.
  • Data Type: boolean

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