host_summary_by_statement_latency

Overview

In 10.6 ES, 10.6 CS:

A summary of hosts by statement latency.

In 10.5 ES, 10.5 CS, 10.4 ES, 10.4 CS, 10.3 ES, 10.3 CS, 10.2 ES, 10.2 CS:

Not present

See also: Sys Database Tables for MariaDB Enterprise Server 10.6 and in 10.6 CS

DETAILS

SCHEMA

VIEW `host_summary_by_statement_latency` AS SELECT
  if(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`HOST` is null,'background',`performance_schema`.`events_statements_summary_by_host_by_event_name`.`HOST`) AS `host`,
  sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`COUNT_STAR`) AS `total`,
  `sys`.`format_time`(sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`SUM_TIMER_WAIT`)) AS `total_latency`,
  `sys`.`format_time`(max(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`MAX_TIMER_WAIT`)) AS `max_latency`,
  `sys`.`format_time`(sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`SUM_LOCK_TIME`)) AS `lock_latency`,
  sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`SUM_ROWS_SENT`) AS `rows_sent`,
  sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`SUM_ROWS_EXAMINED`) AS `rows_examined`,
  sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`SUM_ROWS_AFFECTED`) AS `rows_affected`,
  sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`SUM_NO_INDEX_USED`) + sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`SUM_NO_GOOD_INDEX_USED`) AS `full_scans`
FROM `performance_schema`.`events_statements_summary_by_host_by_event_name` group by if(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`HOST` is null,'background',`performance_schema`.`events_statements_summary_by_host_by_event_name`.`HOST`) order by sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`SUM_TIMER_WAIT`) desc

CHANGE HISTORY

Release Series

History

10.6 Enterprise

  • Added in MariaDB Enterprise Server 10.6.4-1.

10.6 Community

  • Added in MariaDB Community Server 10.6.0.

10.5 Enterprise

  • Not present.

10.5 Community

  • Not present.

10.4 Enterprise

  • Not present.

10.4 Community

  • Not present.

10.3 Enterprise

  • Not present.

10.3 Community

  • Not present.

10.2 Enterprise

  • Not present.

10.2 Community

  • Not present.

EXTERNAL REFERENCES