x$latest_file_io
This page is part of MariaDB's Documentation.
The parent of this page is: Sys Database Tables for MariaDB Enterprise Server
Topics on this page:
Overview
In 11.4 ES:
A description for this sys Table has not yet been added to this Documentation.
DETAILS
SCHEMA
VIEW `x$latest_file_io` AS SELECT
if(`information_schema`.`processlist`.`ID` is null,concat(substring_index(`performance_schema`.`threads`.`NAME`,'/',-1),':',`performance_schema`.`events_waits_history_long`.`THREAD_ID`),concat(`information_schema`.`processlist`.`USER`,'@',`information_schema`.`processlist`.`HOST`,':',`information_schema`.`processlist`.`ID`)) AS `thread`,
`performance_schema`.`events_waits_history_long`.`OBJECT_NAME` AS `file`,
`performance_schema`.`events_waits_history_long`.`TIMER_WAIT` AS `latency`,
`performance_schema`.`events_waits_history_long`.`OPERATION` AS `operation`,
`performance_schema`.`events_waits_history_long`.`NUMBER_OF_BYTES` AS `requested`
FROM ((`performance_schema`.`events_waits_history_long` join `performance_schema`.`threads` on(`performance_schema`.`events_waits_history_long`.`THREAD_ID` = `performance_schema`.`threads`.`THREAD_ID`)) left join `information_schema`.`processlist` on(`performance_schema`.`threads`.`PROCESSLIST_ID` = `information_schema`.`processlist`.`ID`)) where `performance_schema`.`events_waits_history_long`.`OBJECT_NAME` is not null and `performance_schema`.`events_waits_history_long`.`EVENT_NAME` like 'wait/io/file/%' order by `performance_schema`.`events_waits_history_long`.`TIMER_START`