Diagnosing and Resolving DDL Blocking in MySQL Using sys.schema_table_lock_waits

This article explains how to identify when a MySQL DDL operation is blocked, locate the blocking session using the sys.schema_table_lock_waits view, and resolve the issue by enabling necessary instruments and killing the appropriate connection, with examples for MySQL 5.7 and 8.0.

DDLDebuggingmetadata lock

0 likes · 10 min read

Diagnosing and Resolving DDL Blocking in MySQL Using sys.schema_table_lock_waits

dbaplus Community

Jun 23, 2022 · Databases

How to Detect and Resolve Blocked DDL Operations in MySQL

Learn how to identify when a MySQL DDL statement is blocked, use SHOW PROCESSLIST and the sys.schema_table_lock_waits view to pinpoint the blocking session, and apply targeted KILL commands or transaction queries to safely unblock operations in both MySQL 5.7 and 8.0.

DDLkillmetadata lock

0 likes · 9 min read

How to Detect and Resolve Blocked DDL Operations in MySQL