Memory Usage Increases Constantly With slave_parallel_workers > 0; Parallel Slave
Last updated on MARCH 08, 2017
Applies to:
MySQL Server - Version 5.6 to 5.6 [Release 5.6]Information in this document applies to any platform.
Symptoms
When using the parallel slave, the memory usage keeps increasing until the slave's SQL thread is restarted.
The issue exists irrespectively of whether relay_log_info_repository and master_info_repository are set to TABLE or FILE.
Changes
The variable slave_parallel_workers have been set to a value greater than 0 either in the MySQL configuration file or dynamically:
Cause
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