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Displaying posts with tag: chkfrag (reset)

Memory (de)allocation,(de)fragmentation, and chkfrag!
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(this blog post applies to MySQL Cluster 6.3 and MySQL Cluster 6.4/7.0)

A while ago I discussed Memory Allocation in MySQL Cluster. Here it comes again, but we also discuss fragmentation and a tool to help analyze if there is fragmentation.

The main problem I want to address here is that "I filled up 100% of my DataMemory, then deleted 40% and I cannot create a new table!!". Now this is not such a common problem, but …



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