Kernel:NMI Watchdog: BUG: Soft Lockup - CPU Stuck [ndbmtd] messages and sudden cluster slowness

(Doc ID 2353004.1)

Last updated on FEBRUARY 01, 2018

Applies to:

MySQL Cluster - Version 7.5 and later
Information in this document applies to any platform.

Symptoms

Under some conditions MySQL Cluster response becomes slow. Datanode may report missed heartbeats or fail with error 6050. Also messages similar to the following may be observed in messages file (e.g. /var/log/messages):

 

Cause

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