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NDB Cluster Issue Tables In Read Only Mode (Doc ID 2647740.1)

Last updated on MARCH 10, 2020

Applies to:

MySQL Cluster - Version 7.4 and later
Information in this document applies to any platform.

Symptoms

On : 7.4 version, Crashes

When attempting to access data, data is not available except read-only, and the following error occurs.

ERROR
-----------------------
2020-03-04 18:37:22 84438 [Warning] NDB: Could not acquire global schema lock (266)Time-out in NDB, probably caused by deadlock
...
2020-03-04 18:47:18 7242 [Note] NDB Binlog: Wait for cluster to start
2020-03-04 18:47:48 7242 [Warning] NDB : Tables not available after 30 seconds. Consider increasing --ndb-wait-setup value



BUSINESS IMPACT
-----------------------
The issue has the following business impact:
Due to this issue, users cannot use the application effectively with read-only tables.

Cause

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In this Document
Symptoms
Cause
Solution
References


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