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
DETAILS
- SCHEMA
CHANGE HISTORY
EXTERNAL REFERENCES

Overview

A description for this Performance-schema Table has not yet been added to this Documentation.

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
10.6 Enterprise	Present starting in MariaDB Enterprise Server 10.6.4-1. Schema changed in MariaDB Enterprise Server 10.6.5-2: ... 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.' )
10.6 Community	Present starting in MariaDB Community Server 10.6.0. Schema changed in MariaDB Community Server 10.6.5: ... 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.' )
10.5 Enterprise	Present starting in MariaDB Enterprise Server 10.5.3-1. Schema changed in MariaDB Enterprise Server 10.5.13-9: ... 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.' )
10.5 Community	Present starting in MariaDB Community Server 10.5.0. Schema changed in MariaDB Community Server 10.5.13: ... 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.' )
10.4 Enterprise	Present starting in MariaDB Enterprise Server 10.4.6-1. Schema changed in MariaDB Community Server 10.4.22-14: ... 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.' )
10.4 Community	Present starting in MariaDB Community Server 10.4.0. Schema changed in MariaDB Community Server 10.4.22: ... 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.' )
10.3 Enterprise	Present starting in MariaDB Enterprise Server 10.3.16-1. Schema changed in MariaDB Community Server 10.3.32-14: ... 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.' )
10.3 Community	Present starting in MariaDB Community Server 10.3.0. Schema changed in MariaDB Community Server 10.3.32: ... 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.' )
10.2 Enterprise	Present starting in MariaDB Enterprise Server 10.2.25-1. Schema changed in MariaDB Community Server 10.2.41-14: ... 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.' )
10.2 Community	Present starting in MariaDB Community Server 10.2.0. Schema changed in MariaDB Community Server 10.2.41: ... 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.' )

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.