Cluster Management Node Client (ndb_mgm) May Be Slow Run SHOW Command When Data Nodes Are Rebooted (Doc ID 1990749.1)

Last updated on NOVEMBER 23, 2015

Applies to:

MySQL Cluster - Version 6.3 and later
Information in this document applies to any platform.

Symptoms

On a Cluster with each Data nodes in a different host, when the command reboot is sent to the half of the hosts, the Management node Client sometimes does not give results for the SHOW command for 7-8 seconds. However the ALL STATUS command works without any delay.

Cause

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