mutex_instances

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
USAGE
DETAILS
- SYNONYMS
- SCHEMA
- PARAMETERS
- SKYSQL
- PRIVILEGES
EXAMPLES
ERROR HANDLING
FEATURE INTERACTION
RESPONSES
DIAGNOSIS
ISO 9075:2016
CHANGE HISTORY
RELATED TOPICS
EXTERNAL REFERENCES

Overview

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

USAGE

DETAILS

SYNONYMS

SCHEMA

CREATE TABLE `mutex_instances` (
  `NAME` varchar(128) NOT NULL COMMENT 'Instrument name associated with the mutex.',
  `OBJECT_INSTANCE_BEGIN` bigint(20) unsigned NOT NULL COMMENT 'Memory address of the instrumented mutex.',
  `LOCKED_BY_THREAD_ID` bigint(20) unsigned DEFAULT NULL COMMENT 'The THREAD_ID of the locking thread if a thread has a mutex locked, otherwise NULL.'
)

PARAMETERS

SKYSQL

PRIVILEGES

EXAMPLES

ERROR HANDLING

FEATURE INTERACTION

RESPONSES

DIAGNOSIS

ISO 9075:2016

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 `mutex_instances` ( `NAME` varchar(128) NOT NULL COMMENT 'Instrument name associated with the mutex.', `OBJECT_INSTANCE_BEGIN` bigint(20) unsigned NOT NULL COMMENT 'Memory address of the instrumented mutex.', `LOCKED_BY_THREAD_ID` bigint(20) unsigned DEFAULT NULL COMMENT 'The THREAD_ID of the locking thread if a thread has a mutex locked, otherwise NULL.' )
10.6 Community	Present starting in MariaDB Community Server 10.6.0. Schema changed in MariaDB Community Server 10.6.5: ... CREATE TABLE `mutex_instances` ( `NAME` varchar(128) NOT NULL COMMENT 'Instrument name associated with the mutex.', `OBJECT_INSTANCE_BEGIN` bigint(20) unsigned NOT NULL COMMENT 'Memory address of the instrumented mutex.', `LOCKED_BY_THREAD_ID` bigint(20) unsigned DEFAULT NULL COMMENT 'The THREAD_ID of the locking thread if a thread has a mutex locked, otherwise NULL.' )
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 `mutex_instances` ( `NAME` varchar(128) NOT NULL COMMENT 'Instrument name associated with the mutex.', `OBJECT_INSTANCE_BEGIN` bigint(20) unsigned NOT NULL COMMENT 'Memory address of the instrumented mutex.', `LOCKED_BY_THREAD_ID` bigint(20) unsigned DEFAULT NULL COMMENT 'The THREAD_ID of the locking thread if a thread has a mutex locked, otherwise NULL.' )
10.5 Community	Present starting in MariaDB Community Server 10.5.0. Schema changed in MariaDB Community Server 10.5.13: ... CREATE TABLE `mutex_instances` ( `NAME` varchar(128) NOT NULL COMMENT 'Instrument name associated with the mutex.', `OBJECT_INSTANCE_BEGIN` bigint(20) unsigned NOT NULL COMMENT 'Memory address of the instrumented mutex.', `LOCKED_BY_THREAD_ID` bigint(20) unsigned DEFAULT NULL COMMENT 'The THREAD_ID of the locking thread if a thread has a mutex locked, otherwise NULL.' )
10.4 Enterprise	Present starting in MariaDB Enterprise Server 10.4.6-1. Schema changed in MariaDB Enterprise Server 10.4.22-14: ... CREATE TABLE `mutex_instances` ( `NAME` varchar(128) NOT NULL COMMENT 'Instrument name associated with the mutex.', `OBJECT_INSTANCE_BEGIN` bigint(20) unsigned NOT NULL COMMENT 'Memory address of the instrumented mutex.', `LOCKED_BY_THREAD_ID` bigint(20) unsigned DEFAULT NULL COMMENT 'The THREAD_ID of the locking thread if a thread has a mutex locked, otherwise NULL.' )
10.4 Community	Present starting in MariaDB Community Server 10.4.0. Schema changed in MariaDB Community Server 10.4.22: ... CREATE TABLE `mutex_instances` ( `NAME` varchar(128) NOT NULL COMMENT 'Instrument name associated with the mutex.', `OBJECT_INSTANCE_BEGIN` bigint(20) unsigned NOT NULL COMMENT 'Memory address of the instrumented mutex.', `LOCKED_BY_THREAD_ID` bigint(20) unsigned DEFAULT NULL COMMENT 'The THREAD_ID of the locking thread if a thread has a mutex locked, otherwise NULL.' )
10.3 Enterprise	Present starting in MariaDB Enterprise Server 10.3.16-1. Schema changed in MariaDB Enterprise Server 10.3.32-14: ... CREATE TABLE `mutex_instances` ( `NAME` varchar(128) NOT NULL COMMENT 'Instrument name associated with the mutex.', `OBJECT_INSTANCE_BEGIN` bigint(20) unsigned NOT NULL COMMENT 'Memory address of the instrumented mutex.', `LOCKED_BY_THREAD_ID` bigint(20) unsigned DEFAULT NULL COMMENT 'The THREAD_ID of the locking thread if a thread has a mutex locked, otherwise NULL.' )
10.3 Community	Present starting in MariaDB Community Server 10.3.0. Schema changed in MariaDB Community Server 10.3.32: ... CREATE TABLE `mutex_instances` ( `NAME` varchar(128) NOT NULL COMMENT 'Instrument name associated with the mutex.', `OBJECT_INSTANCE_BEGIN` bigint(20) unsigned NOT NULL COMMENT 'Memory address of the instrumented mutex.', `LOCKED_BY_THREAD_ID` bigint(20) unsigned DEFAULT NULL COMMENT 'The THREAD_ID of the locking thread if a thread has a mutex locked, otherwise NULL.' )
10.2 Enterprise	Present starting in MariaDB Enterprise Server 10.2.25-1. Schema changed in MariaDB Enterprise Server 10.2.41-14: ... CREATE TABLE `mutex_instances` ( `NAME` varchar(128) NOT NULL COMMENT 'Instrument name associated with the mutex.', `OBJECT_INSTANCE_BEGIN` bigint(20) unsigned NOT NULL COMMENT 'Memory address of the instrumented mutex.', `LOCKED_BY_THREAD_ID` bigint(20) unsigned DEFAULT NULL COMMENT 'The THREAD_ID of the locking thread if a thread has a mutex locked, otherwise NULL.' )
10.2 Community	Present starting in MariaDB Community Server 10.2.0. Schema changed in MariaDB Community Server 10.2.41: ... CREATE TABLE `mutex_instances` ( `NAME` varchar(128) NOT NULL COMMENT 'Instrument name associated with the mutex.', `OBJECT_INSTANCE_BEGIN` bigint(20) unsigned NOT NULL COMMENT 'Memory address of the instrumented mutex.', `LOCKED_BY_THREAD_ID` bigint(20) unsigned DEFAULT NULL COMMENT 'The THREAD_ID of the locking thread if a thread has a mutex locked, otherwise NULL.' )

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 `mutex_instances` ( `NAME` varchar(128) NOT NULL COMMENT 'Instrument name associated with the mutex.', `OBJECT_INSTANCE_BEGIN` bigint(20) unsigned NOT NULL COMMENT 'Memory address of the instrumented mutex.', `LOCKED_BY_THREAD_ID` bigint(20) unsigned DEFAULT NULL COMMENT 'The THREAD_ID of the locking thread if a thread has a mutex locked, otherwise NULL.' )
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 `mutex_instances` ( `NAME` varchar(128) NOT NULL COMMENT 'Instrument name associated with the mutex.', `OBJECT_INSTANCE_BEGIN` bigint(20) unsigned NOT NULL COMMENT 'Memory address of the instrumented mutex.', `LOCKED_BY_THREAD_ID` bigint(20) unsigned DEFAULT NULL COMMENT 'The THREAD_ID of the locking thread if a thread has a mutex locked, otherwise NULL.' )
10.4 Enterprise	Present starting in MariaDB Enterprise Server 10.4.6-1. Schema changed in MariaDB Enterprise Server 10.4.22-14: ... CREATE TABLE `mutex_instances` ( `NAME` varchar(128) NOT NULL COMMENT 'Instrument name associated with the mutex.', `OBJECT_INSTANCE_BEGIN` bigint(20) unsigned NOT NULL COMMENT 'Memory address of the instrumented mutex.', `LOCKED_BY_THREAD_ID` bigint(20) unsigned DEFAULT NULL COMMENT 'The THREAD_ID of the locking thread if a thread has a mutex locked, otherwise NULL.' )

EXTERNAL REFERENCES

Additional information on this topic may be found in the MariaDB Public Knowledge Base.

mutex_instances

Overview

USAGE

DETAILS

SYNONYMS

SCHEMA

PARAMETERS

SKYSQL

PRIVILEGES

EXAMPLES

ERROR HANDLING

FEATURE INTERACTION

RESPONSES

DIAGNOSIS

ISO 9075:2016

CHANGE HISTORY

RELATED TOPICS

EXTERNAL REFERENCES