MySQL Semi-Sync Summary (Designed for PMM)

Dashboard

This dashboard displays metrics from the MySQL Replication Semisynchronous feature available since 5.6.
Last updated: a year ago

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This dashboard displays metrics from the MySQL Replication Semisynchronous feature available since 5.6. Designed for https://www.percona.com/software/database-tools/percona-monitoring-and-management

This dashboard leverages data collected by the mysqld_exporter and takes advantage of the metric series named mysql_global_status_rpl_semi_sync_* . The five graphs are:

  • Replica semi-sync status - enabled or not
  • Waits by type, on Network or on Transactions
  • How much total time was spent waiting on Transactions - what's my penalty due to writes slowing down
  • How much average time was spent waiting per transaction Commit acknowledgments - what's my replication throughput
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