INNODB_SYS_SEMAPHORE_WAITS

This page is part of MariaDB's Enterprise Documentation.

The parent of this page is: Information Schema

Topics on this page:

Overview
DETAILS
- SCHEMA
CHANGE HISTORY
EXTERNAL REFERENCES

Overview

In 10.6 ES, 10.6 CS:: Not present
In 10.5 ES, 10.5 CS, 10.4 ES, 10.4 CS, 10.3 ES, 10.3 CS, 10.2 ES, 10.2 CS:: InnoDB SYS_SEMAPHORE_WAITS

DETAILS

SCHEMA

CREATE TEMPORARY TABLE `INNODB_SYS_SEMAPHORE_WAITS` (
  `THREAD_ID` bigint(21) unsigned NOT NULL,
  `OBJECT_NAME` varchar(4000),
  `FILE` varchar(4000),
  `LINE` int(11) unsigned NOT NULL,
  `WAIT_TIME` bigint(21) unsigned NOT NULL,
  `WAIT_OBJECT` bigint(21) unsigned NOT NULL,
  `WAIT_TYPE` varchar(16),
  `HOLDER_THREAD_ID` bigint(21) unsigned NOT NULL,
  `HOLDER_FILE` varchar(4000),
  `HOLDER_LINE` int(11) unsigned NOT NULL,
  `CREATED_FILE` varchar(4000),
  `CREATED_LINE` int(11) unsigned NOT NULL,
  `WRITER_THREAD` bigint(21) unsigned NOT NULL,
  `RESERVATION_MODE` varchar(16),
  `READERS` int(11) unsigned NOT NULL,
  `WAITERS_FLAG` bigint(21) unsigned NOT NULL,
  `LOCK_WORD` bigint(21) unsigned NOT NULL,
  `LAST_WRITER_FILE` varchar(4000),
  `LAST_WRITER_LINE` int(11) unsigned NOT NULL,
  `OS_WAIT_COUNT` int(11) unsigned NOT NULL
)

CHANGE HISTORY

Release Series	History
10.6 Enterprise	Removed in MariaDB Enterprise Server 10.6.4-1.
10.6 Community	Removed in MariaDB Community Server 10.6.0.
10.5 Enterprise	Present starting in MariaDB Enterprise Server 10.5.3-1. Schema changed in MariaDB Enterprise Server 10.5.15-10: ... CREATE TEMPORARY TABLE `INNODB_SYS_SEMAPHORE_WAITS` ( `THREAD_ID` bigint(21) unsigned NOT NULL DEFAULT 0, `OBJECT_NAME` varchar(4000) DEFAULT NULL,), `FILE` varchar(4000) DEFAULT NULL,), `LINE` int(11) unsigned NOT NULL DEFAULT 0, `WAIT_TIME` bigint(21) unsigned NOT NULL DEFAULT 0, `WAIT_OBJECT` bigint(21) unsigned NOT NULL DEFAULT 0, `WAIT_TYPE` varchar(16) DEFAULT NULL,), `HOLDER_THREAD_ID` bigint(21) unsigned NOT NULL DEFAULT 0, `HOLDER_FILE` varchar(4000) DEFAULT NULL,), `HOLDER_LINE` int(11) unsigned NOT NULL DEFAULT 0, `CREATED_FILE` varchar(4000) DEFAULT NULL,), `CREATED_LINE` int(11) unsigned NOT NULL DEFAULT 0, `WRITER_THREAD` bigint(21) unsigned NOT NULL DEFAULT 0, `RESERVATION_MODE` varchar(16) DEFAULT NULL,), `READERS` int(11) unsigned NOT NULL DEFAULT 0, `WAITERS_FLAG` bigint(21) unsigned NOT NULL DEFAULT 0, `LOCK_WORD` bigint(21) unsigned NOT NULL DEFAULT 0, `LAST_WRITER_FILE` varchar(4000) DEFAULT NULL,), `LAST_WRITER_LINE` int(11) unsigned NOT NULL DEFAULT 0, `OS_WAIT_COUNT` int(11) unsigned NOT NULL DEFAULT 0 )
10.5 Community	Present starting in MariaDB Community Server 10.5.0. Schema changed in MariaDB Community Server 10.5.14: ... CREATE TEMPORARY TABLE `INNODB_SYS_SEMAPHORE_WAITS` ( `THREAD_ID` bigint(21) unsigned NOT NULL DEFAULT 0, `OBJECT_NAME` varchar(4000) DEFAULT NULL,), `FILE` varchar(4000) DEFAULT NULL,), `LINE` int(11) unsigned NOT NULL DEFAULT 0, `WAIT_TIME` bigint(21) unsigned NOT NULL DEFAULT 0, `WAIT_OBJECT` bigint(21) unsigned NOT NULL DEFAULT 0, `WAIT_TYPE` varchar(16) DEFAULT NULL,), `HOLDER_THREAD_ID` bigint(21) unsigned NOT NULL DEFAULT 0, `HOLDER_FILE` varchar(4000) DEFAULT NULL,), `HOLDER_LINE` int(11) unsigned NOT NULL DEFAULT 0, `CREATED_FILE` varchar(4000) DEFAULT NULL,), `CREATED_LINE` int(11) unsigned NOT NULL DEFAULT 0, `WRITER_THREAD` bigint(21) unsigned NOT NULL DEFAULT 0, `RESERVATION_MODE` varchar(16) DEFAULT NULL,), `READERS` int(11) unsigned NOT NULL DEFAULT 0, `WAITERS_FLAG` bigint(21) unsigned NOT NULL DEFAULT 0, `LOCK_WORD` bigint(21) unsigned NOT NULL DEFAULT 0, `LAST_WRITER_FILE` varchar(4000) DEFAULT NULL,), `LAST_WRITER_LINE` int(11) unsigned NOT NULL DEFAULT 0, `OS_WAIT_COUNT` int(11) unsigned NOT NULL DEFAULT 0 )
10.4 Enterprise	Present starting in MariaDB Enterprise Server 10.4.6-1. Schema changed in MariaDB Enterprise Server 10.4.24-15: ... CREATE TEMPORARY TABLE `INNODB_SYS_SEMAPHORE_WAITS` ( `THREAD_ID` bigint(21) unsigned NOT NULL DEFAULT 0, `OBJECT_NAME` varchar(4000) DEFAULT NULL,), `FILE` varchar(4000) DEFAULT NULL,), `LINE` int(11) unsigned NOT NULL DEFAULT 0, `WAIT_TIME` bigint(21) unsigned NOT NULL DEFAULT 0, `WAIT_OBJECT` bigint(21) unsigned NOT NULL DEFAULT 0, `WAIT_TYPE` varchar(16) DEFAULT NULL,), `HOLDER_THREAD_ID` bigint(21) unsigned NOT NULL DEFAULT 0, `HOLDER_FILE` varchar(4000) DEFAULT NULL,), `HOLDER_LINE` int(11) unsigned NOT NULL DEFAULT 0, `CREATED_FILE` varchar(4000) DEFAULT NULL,), `CREATED_LINE` int(11) unsigned NOT NULL DEFAULT 0, `WRITER_THREAD` bigint(21) unsigned NOT NULL DEFAULT 0, `RESERVATION_MODE` varchar(16) DEFAULT NULL,), `READERS` int(11) unsigned NOT NULL DEFAULT 0, `WAITERS_FLAG` bigint(21) unsigned NOT NULL DEFAULT 0, `LOCK_WORD` bigint(21) unsigned NOT NULL DEFAULT 0, `LAST_WRITER_FILE` varchar(4000) DEFAULT NULL,), `LAST_WRITER_LINE` int(11) unsigned NOT NULL DEFAULT 0, `OS_WAIT_COUNT` int(11) unsigned NOT NULL DEFAULT 0 )
10.4 Community	Present starting in MariaDB Community Server 10.4.0. Schema changed in MariaDB Community Server 10.4.23: ... CREATE TEMPORARY TABLE `INNODB_SYS_SEMAPHORE_WAITS` ( `THREAD_ID` bigint(21) unsigned NOT NULL DEFAULT 0, `OBJECT_NAME` varchar(4000) DEFAULT NULL,), `FILE` varchar(4000) DEFAULT NULL,), `LINE` int(11) unsigned NOT NULL DEFAULT 0, `WAIT_TIME` bigint(21) unsigned NOT NULL DEFAULT 0, `WAIT_OBJECT` bigint(21) unsigned NOT NULL DEFAULT 0, `WAIT_TYPE` varchar(16) DEFAULT NULL,), `HOLDER_THREAD_ID` bigint(21) unsigned NOT NULL DEFAULT 0, `HOLDER_FILE` varchar(4000) DEFAULT NULL,), `HOLDER_LINE` int(11) unsigned NOT NULL DEFAULT 0, `CREATED_FILE` varchar(4000) DEFAULT NULL,), `CREATED_LINE` int(11) unsigned NOT NULL DEFAULT 0, `WRITER_THREAD` bigint(21) unsigned NOT NULL DEFAULT 0, `RESERVATION_MODE` varchar(16) DEFAULT NULL,), `READERS` int(11) unsigned NOT NULL DEFAULT 0, `WAITERS_FLAG` bigint(21) unsigned NOT NULL DEFAULT 0, `LOCK_WORD` bigint(21) unsigned NOT NULL DEFAULT 0, `LAST_WRITER_FILE` varchar(4000) DEFAULT NULL,), `LAST_WRITER_LINE` int(11) unsigned NOT NULL DEFAULT 0, `OS_WAIT_COUNT` int(11) unsigned NOT NULL DEFAULT 0 )
10.3 Enterprise	Present starting in MariaDB Enterprise Server 10.3.16-1. Schema changed in MariaDB Enterprise Server 10.3.34-15: ... CREATE TEMPORARY TABLE `INNODB_SYS_SEMAPHORE_WAITS` ( `THREAD_ID` bigint(21) unsigned NOT NULL DEFAULT 0, `OBJECT_NAME` varchar(4000) DEFAULT NULL,), `FILE` varchar(4000) DEFAULT NULL,), `LINE` int(11) unsigned NOT NULL DEFAULT 0, `WAIT_TIME` bigint(21) unsigned NOT NULL DEFAULT 0, `WAIT_OBJECT` bigint(21) unsigned NOT NULL DEFAULT 0, `WAIT_TYPE` varchar(16) DEFAULT NULL,), `HOLDER_THREAD_ID` bigint(21) unsigned NOT NULL DEFAULT 0, `HOLDER_FILE` varchar(4000) DEFAULT NULL,), `HOLDER_LINE` int(11) unsigned NOT NULL DEFAULT 0, `CREATED_FILE` varchar(4000) DEFAULT NULL,), `CREATED_LINE` int(11) unsigned NOT NULL DEFAULT 0, `WRITER_THREAD` bigint(21) unsigned NOT NULL DEFAULT 0, `RESERVATION_MODE` varchar(16) DEFAULT NULL,), `READERS` int(11) unsigned NOT NULL DEFAULT 0, `WAITERS_FLAG` bigint(21) unsigned NOT NULL DEFAULT 0, `LOCK_WORD` bigint(21) unsigned NOT NULL DEFAULT 0, `LAST_WRITER_FILE` varchar(4000) DEFAULT NULL,), `LAST_WRITER_LINE` int(11) unsigned NOT NULL DEFAULT 0, `OS_WAIT_COUNT` int(11) unsigned NOT NULL DEFAULT 0 )
10.3 Community	Present starting in MariaDB Community Server 10.3.0. Schema changed in MariaDB Community Server 10.3.3: ... CREATE TEMPORARY TABLE `INNODB_SYS_SEMAPHORE_WAITS` ( `THREAD_ID` bigint(21) unsigned NOT NULL DEFAULT 0, `OBJECT_NAME` varchar(4000) DEFAULT NULL, `FILE` varchar(4000) DEFAULT NULL, `LINE` int(11) unsigned NOT NULL DEFAULT 0, `WAIT_TIME` bigint(21) unsigned NOT NULL DEFAULT 0, `WAIT_OBJECT` bigint(21) unsigned NOT NULL DEFAULT 0, `WAIT_TYPE` varchar(16) DEFAULT NULL, `HOLDER_THREAD_ID` bigint(21) unsigned NOT NULL DEFAULT 0, `HOLDER_FILE` varchar(4000) DEFAULT NULL, `HOLDER_LINE` int(11) unsigned NOT NULL DEFAULT 0, `CREATED_FILE` varchar(4000) DEFAULT NULL, `CREATED_LINE` int(11) unsigned NOT NULL DEFAULT 0, `WRITER_THREAD` bigint(21) unsigned NOT NULL DEFAULT 0, `RESERVATION_MODE` varchar(16) DEFAULT NULL, `READERS` int(11) unsigned NOT NULL DEFAULT 0, `WAITERS_FLAG` bigint(21) unsigned NOT NULL DEFAULT 0, `LOCK_WORD` bigint(21) unsigned NOT NULL DEFAULT 0, `LAST_READER_FILE` varchar(4000) DEFAULT NULL, `LAST_READER_LINE` int(11) unsigned NOT NULL DEFAULT 0, `LAST_WRITER_FILE` varchar(4000) DEFAULT NULL, `LAST_WRITER_LINE` int(11) unsigned NOT NULL DEFAULT 0, `OS_WAIT_COUNT` int(11) unsigned NOT NULL DEFAULT 0 ) Schema changed in MariaDB Community Server 10.3.33: ... CREATE TEMPORARY TABLE `INNODB_SYS_SEMAPHORE_WAITS` ( `THREAD_ID` bigint(21) unsigned NOT NULL DEFAULT 0, `OBJECT_NAME` varchar(4000) DEFAULT NULL,), `FILE` varchar(4000) DEFAULT NULL,), `LINE` int(11) unsigned NOT NULL DEFAULT 0, `WAIT_TIME` bigint(21) unsigned NOT NULL DEFAULT 0, `WAIT_OBJECT` bigint(21) unsigned NOT NULL DEFAULT 0, `WAIT_TYPE` varchar(16) DEFAULT NULL,), `HOLDER_THREAD_ID` bigint(21) unsigned NOT NULL DEFAULT 0, `HOLDER_FILE` varchar(4000) DEFAULT NULL,), `HOLDER_LINE` int(11) unsigned NOT NULL DEFAULT 0, `CREATED_FILE` varchar(4000) DEFAULT NULL,), `CREATED_LINE` int(11) unsigned NOT NULL DEFAULT 0, `WRITER_THREAD` bigint(21) unsigned NOT NULL DEFAULT 0, `RESERVATION_MODE` varchar(16) DEFAULT NULL,), `READERS` int(11) unsigned NOT NULL DEFAULT 0, `WAITERS_FLAG` bigint(21) unsigned NOT NULL DEFAULT 0, `LOCK_WORD` bigint(21) unsigned NOT NULL DEFAULT 0, `LAST_WRITER_FILE` varchar(4000) DEFAULT NULL,), `LAST_WRITER_LINE` int(11) unsigned NOT NULL DEFAULT 0, `OS_WAIT_COUNT` int(11) unsigned NOT NULL DEFAULT 0 )
10.2 Enterprise	Present starting in MariaDB Enterprise Server 10.2.25-1.
10.2 Community	Present starting in MariaDB Community Server 10.2.0. Schema changed in MariaDB Community Server 10.2.2: ... CREATE TEMPORARY TABLE `INNODB_SYS_SEMAPHORE_WAITS` ( `THREAD_ID` bigint(21) unsigned NOT NULL DEFAULT '0'0, `OBJECT_NAME` varchar(4000) DEFAULT NULL, `FILE` varchar(4000) DEFAULT NULL, `LINE` int(11) unsigned NOT NULL DEFAULT '0'0, `WAIT_TIME` bigint(21) unsigned NOT NULL DEFAULT '0'0, `WAIT_OBJECT` bigint(21) unsigned NOT NULL DEFAULT '0'0, `WAIT_TYPE` varchar(16) DEFAULT NULL, `HOLDER_THREAD_ID` bigint(21) unsigned NOT NULL DEFAULT '0'0, `HOLDER_FILE` varchar(4000) DEFAULT NULL, `HOLDER_LINE` int(11) unsigned NOT NULL DEFAULT '0'0, `CREATED_FILE` varchar(4000) DEFAULT NULL, `CREATED_LINE` int(11) unsigned NOT NULL DEFAULT '0'0, `WRITER_THREAD` bigint(21) unsigned NOT NULL DEFAULT '0'0, `RESERVATION_MODE` varchar(16) DEFAULT NULL, `READERS` int(11) unsigned NOT NULL DEFAULT '0'0, `WAITERS_FLAG` bigint(21) unsigned NOT NULL DEFAULT '0'0, `LOCK_WORD` bigint(21) unsigned NOT NULL DEFAULT '0'0, `LAST_READER_FILE` varchar(4000) DEFAULT NULL, `LAST_READER_LINE` int(11) unsigned NOT NULL DEFAULT '0'0, `LAST_WRITER_FILE` varchar(4000) DEFAULT NULL, `LAST_WRITER_LINE` int(11) unsigned NOT NULL DEFAULT '0'0, `OS_WAIT_COUNT` int(11) unsigned NOT NULL DEFAULT '0'0 )

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 INNODB_SYS_SEMAPHORE_WAITS page in the SkySQL Documentation.