x$user_summary_by_file_io

Overview

In 10.6 ES, 10.6 CS:

A summary of the users by file I/O.

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 `x$user_summary_by_file_io` AS SELECT
  if(`performance_schema`.`events_waits_summary_by_user_by_event_name`.`USER` is null,'background',`performance_schema`.`events_waits_summary_by_user_by_event_name`.`USER`) AS `user`,
  sum(`performance_schema`.`events_waits_summary_by_user_by_event_name`.`COUNT_STAR`) AS `ios`,
  sum(`performance_schema`.`events_waits_summary_by_user_by_event_name`.`SUM_TIMER_WAIT`) AS `io_latency`
FROM `performance_schema`.`events_waits_summary_by_user_by_event_name` where `performance_schema`.`events_waits_summary_by_user_by_event_name`.`EVENT_NAME` like 'wait/io/file/%' group by if(`performance_schema`.`events_waits_summary_by_user_by_event_name`.`USER` is null,'background',`performance_schema`.`events_waits_summary_by_user_by_event_name`.`USER`) order by sum(`performance_schema`.`events_waits_summary_by_user_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