Feature Introduction
Limit the concurrency of specific SQL statements that can be executed concurrently at the same time by setting a keyword.
Supported Versions
MySQL 8.0 kernel version 20211202 or later
MySQL 5.7 kernel version 20200331 or later
MySQL 5.6 kernel version 20200915 or later
Applicable Scenarios
For SQL statements that have high concurrency, consume significant resources, and cause system performance degradation.
Usage Examples