This page is part of MariaDB's MariaDB Documentation.
The parent of this page is: Performance Schema for MariaDB Enterprise Server
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A description for this Performance-schema Table has not yet been added to this Documentation.
See also: Performance Schema for MariaDB Enterprise Server 10.6, in 10.5 ES, in 10.4 ES, in 10.3 ES, in 10.2 ES, in 10.6 CS, in 10.5 CS, in 10.4 CS, in 10.3 CS, and in 10.2 CS
CREATE TABLE `rwlock_instances` ( `NAME` varchar(128) NOT NULL COMMENT 'Instrument name associated with the read write lock', `OBJECT_INSTANCE_BEGIN` bigint(20) unsigned NOT NULL COMMENT 'Address in memory of the instrumented lock', `WRITE_LOCKED_BY_THREAD_ID` bigint(20) unsigned DEFAULT NULL COMMENT 'THREAD_ID of the locking thread if locked in write (exclusive) mode, otherwise NULL.', `READ_LOCKED_BY_COUNT` int(10) unsigned NOT NULL COMMENT 'Count of current read locks held' )
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