file_summary_by_instance
This page is part of MariaDB's Enterprise Documentation.
The parent of this page is: Performance Schema
Topics on this page:
Overview
A description for this Performance-schema Table has not yet been added to this Documentation.
See also: Performance Schema in 10.6 ES, in 10.6 CS, in 10.5 ES, in 10.5 CS, in 10.4 ES, in 10.4 CS, in 10.3 ES, in 10.3 CS, in 10.2 ES, and in 10.2 CS
DETAILS
SCHEMA
CREATE TABLE `file_summary_by_instance` (
`FILE_NAME` varchar(512) NOT NULL COMMENT 'File name.',
`EVENT_NAME` varchar(128) NOT NULL COMMENT 'Event name.',
`OBJECT_INSTANCE_BEGIN` bigint(20) unsigned NOT NULL COMMENT 'Address in memory. Together with FILE_NAME and EVENT_NAME uniquely identifies a row.',
`COUNT_STAR` bigint(20) unsigned NOT NULL COMMENT 'Number of summarized events',
`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, including FGETS, FGETC, FREAD, and READ.',
`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.',
`SUM_NUMBER_OF_BYTES_READ` bigint(20) NOT NULL COMMENT 'Bytes read by read operations.',
`COUNT_WRITE` bigint(20) unsigned NOT NULL COMMENT 'Number of all write operations, including FPUTS, FPUTC, FPRINTF, VFPRINTF, FWRITE, and PWRITE.',
`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.',
`SUM_NUMBER_OF_BYTES_WRITE` bigint(20) NOT NULL COMMENT 'Bytes written by write operations.',
`COUNT_MISC` bigint(20) unsigned NOT NULL COMMENT 'Number of all miscellaneous operations not counted above, including CREATE, DELETE, OPEN, CLOSE, STREAM_OPEN, STREAM_CLOSE, SEEK, TELL, FLUSH, STAT, FSTAT, CHSIZE, RENAME, and SYNC.',
`SUM_TIMER_MISC` bigint(20) unsigned NOT NULL COMMENT 'Total wait time of all miscellaneous operations that are timed.',
`MIN_TIMER_MISC` bigint(20) unsigned NOT NULL COMMENT 'Minimum wait time of all miscellaneous operations that are timed.',
`AVG_TIMER_MISC` bigint(20) unsigned NOT NULL COMMENT 'Average wait time of all miscellaneous operations that are timed.',
`MAX_TIMER_MISC` bigint(20) unsigned NOT NULL COMMENT 'Maximum wait time of all miscellaneous operations that are timed.'
)
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 |
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10.4 Community |
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10.3 Enterprise |
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10.3 Community |
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10.2 Enterprise |
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10.2 Community |
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EXTERNAL REFERENCES
Additional information on this topic may be found in the MariaDB Public Knowledge Base.
Information specific to MariaDB SkySQL can be found on the file_summary_by_instance page in the SkySQL Documentation.