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A serious regression was inadvertently introduced in MySQL NDB Cluster 7.4.8 whereby local checkpoints and thus restarts often took much longer than expected. This occurred due to the fact that the setting for
MaxDiskWriteSpeedOwnRestart
was ignored during restarts and the value ofMaxDiskWriteSpeedOtherNodeRestart
, which is much lower by default than the default forMaxDiskWriteSpeedOwnRestart
, was used instead. This issue affected restart times and performance only and did not have any impact on normal operations. (Bug #22582233)