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MySQL 8.0 Reference Manual
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18.7.9.1 Enabling or Disabling Group Replication Instrumentation

To enable all the Group Replication instrumentation from the command line, run the following in the SQL client of your choice:

        UPDATE performance_schema.setup_instruments SET ENABLED = 'YES' 
        WHERE NAME LIKE 'memory/group_rpl/%';

To disable all the Group Replication instrumentation from the command line, run the following in the SQL client of your choice:

        UPDATE performance_schema.setup_instruments SET ENABLED = 'NO' 
        WHERE NAME LIKE 'memory/group_rpl/%';

To enable all the Group Replication instrumentation at server startup, add the following to your option file:

        [mysqld]
        performance-schema-instrument='memory/group_rpl/%=ON'

To disable all the Group Replication instrumentation at server startup, add the following to your option file:

        [mysqld]
        performance-schema-instrument='memory/group_rpl/%=OFF'

To enable or disable individual instruments in that group, replace the wildcard (%) with the full name of the instrument.

For more information, see Section 27.3, “Performance Schema Startup Configuration” and Section 27.4, “Performance Schema Runtime Configuration”.