MySQL NDB Cluster 7.5/7.6 Manual
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An internal buffer being reused immediately after it had been freed could lead to an unplanned data node shutdown. (Bug #27622643)
References: See also: Bug #28698831.
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Writing of LCP control files was not always done correctly, which in some cases could lead to an unplanned shutdown of the cluster.
This fix adds the requirement that upgrades from NDB 7.6.4 (or earlier) to this release (or a later one) include initial node restarts. (Bug #26640486)
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Under certain conditions, data nodes restarted unnecessarily during execution of
ALTER TABLE... REORGANIZE PARTITION. (Bug #25675481)References: See also: Bug #26735618, Bug #27191468.