Cluster hanging and high CPU usage when adding very large data file for NDB Cluster Disk Data Table
(Doc ID 2336254.1)
Last updated on APRIL 18, 2019
Applies to:
MySQL Cluster - Version 7.5 and later
Information in this document applies to any platform.
Symptoms
- Large data file is added to a NDB Cluster Disk Data Table tablespace and the process is never completed
- High CPU usage on one core (killing data node process will produce traces which indicate PGMAN busy loop waiting for a free page to BIND + LOCK)
- MySQLD level outage as Global Schema Lock held throughout
Changes
Cause
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In this Document
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