MySQL :: MySQL 8.4 参考手册 :: 29.12.13 Performance Schema Lock 表

MySQL 8.4 参考手册 · 中文镜像

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Performance Schema 通过这些表暴露锁信息：The Performance Schema exposes lock information through these tables:

data_locks：持有和请求的数据锁data_locks: Data locks held and requested
data_lock_waits：数据锁持有者与被这些持有者阻塞的数据锁请求者之间的关系data_lock_waits: Relationships between data lock owners and data lock requestors blocked by those owners
metadata_locks：持有和请求的元数据锁metadata_locks: Metadata locks held and requested
table_handles：持有和请求的表锁table_handles: Table locks held and requested

以下部分将更详细地介绍这些表。The following sections describe these tables in more detail.