NDB Backups Are 20x Longer on Multithreaded Cluster (ndmbtd) Compared to Single Threaded Cluster (ndbd)
(Doc ID 2993672.1)
Last updated on DECEMBER 17, 2023
Applies to:
MySQL NDB Cluster - Version 8.0 and laterInformation in this document applies to any platform.
Symptoms
NDB Backup takes around 16 minutes for single-threaded software, but for ndbmtd, it takes around 6.5 hours for the same cluster data.
For example:
Changes
Moved from single threaded ndbd to multithreaded ndmbtd. Added the options:
MaxNoOfExecutionThreads = 48
NoOfFragmentLogParts = 24
Cause
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In this Document
Symptoms |
Changes |
Cause |
Solution |
References |