table_io_waits_summary_by_table
This page is part of MariaDB's Documentation.
The parent of this page is: Performance Schema for MariaDB Enterprise Server
Topics on this page:
Overview
A description for this Performance-schema Table has not yet been added to this Documentation.
USAGE
DETAILS
SYNONYMS
SCHEMA
CREATE TABLE `table_io_waits_summary_by_table` (
`OBJECT_TYPE` varchar(64) DEFAULT NULL COMMENT 'Since this table records waits by table, always set to TABLE.',
`OBJECT_SCHEMA` varchar(64) DEFAULT NULL COMMENT 'Schema name.',
`OBJECT_NAME` varchar(64) DEFAULT NULL COMMENT 'Table name.',
`COUNT_STAR` bigint(20) unsigned NOT NULL COMMENT 'Number of summarized events and the sum of the x_READ and x_WRITE columns.',
`SUM_TIMER_WAIT` bigint(20) unsigned NOT NULL COMMENT 'Total wait time of the summarized events that are timed.',
`MIN_TIMER_WAIT` bigint(20) unsigned NOT NULL COMMENT 'Minimum wait time of the summarized events that are timed.',
`AVG_TIMER_WAIT` bigint(20) unsigned NOT NULL COMMENT 'Average wait time of the summarized events that are timed.',
`MAX_TIMER_WAIT` bigint(20) unsigned NOT NULL COMMENT 'Maximum wait time of the summarized events that are timed.',
`COUNT_READ` bigint(20) unsigned NOT NULL COMMENT 'Number of all read operations, and the sum of the equivalent x_FETCH columns.',
`SUM_TIMER_READ` bigint(20) unsigned NOT NULL COMMENT 'Total wait time of all read operations that are timed.',
`MIN_TIMER_READ` bigint(20) unsigned NOT NULL COMMENT 'Minimum wait time of all read operations that are timed.',
`AVG_TIMER_READ` bigint(20) unsigned NOT NULL COMMENT 'Average wait time of all read operations that are timed.',
`MAX_TIMER_READ` bigint(20) unsigned NOT NULL COMMENT 'Maximum wait time of all read operations that are timed.',
`COUNT_WRITE` bigint(20) unsigned NOT NULL COMMENT 'Number of all write operations, and the sum of the equivalent x_INSERT, x_UPDATE and x_DELETE columns.',
`SUM_TIMER_WRITE` bigint(20) unsigned NOT NULL COMMENT 'Total wait time of all write operations that are timed.',
`MIN_TIMER_WRITE` bigint(20) unsigned NOT NULL COMMENT 'Minimum wait time of all write operations that are timed.',
`AVG_TIMER_WRITE` bigint(20) unsigned NOT NULL COMMENT 'Average wait time of all write operations that are timed.',
`MAX_TIMER_WRITE` bigint(20) unsigned NOT NULL COMMENT 'Maximum wait time of all write operations that are timed.',
`COUNT_FETCH` bigint(20) unsigned NOT NULL COMMENT 'Number of all fetch operations.',
`SUM_TIMER_FETCH` bigint(20) unsigned NOT NULL COMMENT 'Total wait time of all fetch operations that are timed.',
`MIN_TIMER_FETCH` bigint(20) unsigned NOT NULL COMMENT 'Minimum wait time of all fetch operations that are timed.',
`AVG_TIMER_FETCH` bigint(20) unsigned NOT NULL COMMENT 'Average wait time of all fetch operations that are timed.',
`MAX_TIMER_FETCH` bigint(20) unsigned NOT NULL COMMENT 'Maximum wait time of all fetch operations that are timed.',
`COUNT_INSERT` bigint(20) unsigned NOT NULL COMMENT 'Number of all insert operations.',
`SUM_TIMER_INSERT` bigint(20) unsigned NOT NULL COMMENT 'Total wait time of all insert operations that are timed.',
`MIN_TIMER_INSERT` bigint(20) unsigned NOT NULL COMMENT 'Minimum wait time of all insert operations that are timed.',
`AVG_TIMER_INSERT` bigint(20) unsigned NOT NULL COMMENT 'Average wait time of all insert operations that are timed.',
`MAX_TIMER_INSERT` bigint(20) unsigned NOT NULL COMMENT 'Maximum wait time of all insert operations that are timed.',
`COUNT_UPDATE` bigint(20) unsigned NOT NULL COMMENT 'Number of all update operations.',
`SUM_TIMER_UPDATE` bigint(20) unsigned NOT NULL COMMENT 'Total wait time of all update operations that are timed.',
`MIN_TIMER_UPDATE` bigint(20) unsigned NOT NULL COMMENT 'Minimum wait time of all update operations that are timed.',
`AVG_TIMER_UPDATE` bigint(20) unsigned NOT NULL COMMENT 'Average wait time of all update operations that are timed.',
`MAX_TIMER_UPDATE` bigint(20) unsigned NOT NULL COMMENT 'Maximum wait time of all update operations that are timed.',
`COUNT_DELETE` bigint(20) unsigned NOT NULL COMMENT 'Number of all delete operations.',
`SUM_TIMER_DELETE` bigint(20) unsigned NOT NULL COMMENT 'Total wait time of all delete operations that are timed.',
`MIN_TIMER_DELETE` bigint(20) unsigned NOT NULL COMMENT 'Minimum wait time of all delete operations that are timed.',
`AVG_TIMER_DELETE` bigint(20) unsigned NOT NULL COMMENT 'Average wait time of all delete operations that are timed.',
`MAX_TIMER_DELETE` bigint(20) unsigned NOT NULL COMMENT 'Maximum wait time of all delete operations that are timed.'
)
PARAMETERS
SKYSQL
PRIVILEGES
EXAMPLES
ERROR HANDLING
FEATURE INTERACTION
RESPONSES
DIAGNOSIS
ISO 9075:2016
CHANGE HISTORY
Release Series | History |
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10.6 Enterprise |
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10.6 Community |
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10.5 Enterprise |
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10.5 Community |
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10.4 Enterprise |
|
10.4 Community |
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10.3 Enterprise |
|
10.3 Community |
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10.2 Enterprise |
|
10.2 Community |
|
Release Series | History |
---|---|
10.6 Enterprise |
|
10.5 Enterprise |
|
10.4 Enterprise |
|
RELATED TOPICS
EXTERNAL REFERENCES
Additional information on this topic may be found in the MariaDB Public Knowledge Base.