schema_table_lock_waits和x$schema_table_lock_waits视图字段含义如下: object_schema:包含发生MDL锁等待的数据库对象的schema名称 OBJECT_NAME:MDL锁等待监控对象的名称 waiting_thread_id:正在等待MDL锁的线程ID waiting_pid:正在等待MDL锁的进程ID waiting_account:正在等待MDL锁的线程关联的account名称 ...
schema_table_lock_waitsビューとx$schema_table_lock_waitsビューには、次のカラムがあります: object_schema ロックするオブジェクトを含むスキーマ。 object_name インストゥルメントされたオブジェクトの名前。 waiting_thread_id ロックを待機中のスレッドのスレッド ID。
The schema_table_lock_waits and x$schema_table_lock_waits Views The schema_table_statistics and x$schema_table_statistics Views The schema_table_statistics_with_buffer and x$schema_table_statistics_with_buffer Views The schema_tables_with_full_table_scans and x$schema_tables_with_full_table_...
Table 6.36 Sys Schema Table Metadata Lock Waits Metrics NameDescription Blocking Account The account of the session that is blocking the current waiter(s). Blocking Lock Duration The lock duration from the metadata lock subsystem for the session blocking the current waiter(s). The value is one ...
Hi, I have installed mysql 5.7.24 on openshift 3.11 and is working fine. I am trying to create view which internally using default table performance_schema.data_lock_waits. When I am trying to run this script it ends up with ERROR 1146 (...
当你遇到错误信息 "unknown table 'innodb_lock_waits' in information_schema" 时,这通常意味着你正在尝试访问一个不存在的表,或者你的MySQL服务器版本不支持这个表,或者你可能没有足够的权限来访问它。以下是根据你的提示,分点回答你的问题的详细解答: 1. 确认'innodb_lock_waits'表是否存在于information_schema...
This table is deprecated as of MySQL 5.7.14 and is removed in MySQL 8.0. TheINNODB_LOCK_WAITStable has these columns: REQUESTING_TRX_ID The ID of the requesting (blocked) transaction. REQUESTED_LOCK_ID The ID of the lock for which a transaction is waiting. To obtain details about the lo...
Theschema_table_lock_waitsandx$schema_table_lock_waitsviews have these columns: object_schema The schema containing the object to be locked. object_name The name of the instrumented object. waiting_thread_id The thread ID of the thread that is waiting for the lock. ...
Thetable_lock_waits_summary_by_tabletable has these grouping columns to indicate how the table aggregates events:OBJECT_TYPE,OBJECT_SCHEMA, andOBJECT_NAME. These columns have the same meaning as in theevents_waits_currenttable. They identify the table to which the row applies...
The Performance Schema event that caused the blocking lock in the session that holds it. BLOCKING_OBJECT_INSTANCE_BEGIN The address in memory of the blocking lock. The data_lock_waits table has these indexes: Index on (REQUESTING_ENGINE_LOCK_ID, ENGINE) Index on (BLOCKING_ENGINE_LOCK_ID...