host_summary_by_file_io_type
This page is part of MariaDB's Documentation.
The parent of this page is: Sys Database Tables for MariaDB Enterprise Server
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Overview
In 11.4 ES:
A description for this sys Table has not yet been added to this Documentation.
DETAILS
SCHEMA
VIEW `host_summary_by_file_io_type` AS SELECT
if(`performance_schema`.`events_waits_summary_by_host_by_event_name`.`HOST` is null,'background',`performance_schema`.`events_waits_summary_by_host_by_event_name`.`HOST`) AS `host`,
`performance_schema`.`events_waits_summary_by_host_by_event_name`.`EVENT_NAME` AS `event_name`,
`performance_schema`.`events_waits_summary_by_host_by_event_name`.`COUNT_STAR` AS `total`,
format_pico_time(`performance_schema`.`events_waits_summary_by_host_by_event_name`.`SUM_TIMER_WAIT`) AS `total_latency`,
format_pico_time(`performance_schema`.`events_waits_summary_by_host_by_event_name`.`MAX_TIMER_WAIT`) AS `max_latency`
FROM `performance_schema`.`events_waits_summary_by_host_by_event_name` where `performance_schema`.`events_waits_summary_by_host_by_event_name`.`EVENT_NAME` like 'wait/io/file%' and `performance_schema`.`events_waits_summary_by_host_by_event_name`.`COUNT_STAR` > 0 order by if(`performance_schema`.`events_waits_summary_by_host_by_event_name`.`HOST` is null,'background',`performance_schema`.`events_waits_summary_by_host_by_event_name`.`HOST`),`performance_schema`.`events_waits_summary_by_host_by_event_name`.`SUM_TIMER_WAIT` desc