Intermittent Data Node Stalls or Crashes; High I/O Load; ndbmtd
(Doc ID 1594169.1)
Last updated on FEBRUARY 24, 2019
Applies to:MySQL Cluster - Version 7.2 to 7.3 [Release 7.2 to 7.3]
Information in this document applies to any platform.
With RealTimeScheduler = 1 multi-threaded data nodes are unstable experiencing stalls and/or crashes particularly during periods with high disk I/O. This can for example happen:
- while making a local checkpoint (LCP)
- during backups
- during a rolling restart
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