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Without looking in detail to your configuration, I would bet that your problem is the kernel doing an Out of memory (OOM) kill: killing some of your ndbd, etc. processes. Those are usually logged to /var/log/messages, so you can confirm it easily. 128MB of ram, 32-bits I am not 100% sure if you can run an NDB cluster with those spects, but I can tell ...


With noofreplicas=2 and two nodes, you will have 2/2 = 1 nodegroup, meaning that you have no sharding at all (or one shard, as you prefer). All your partitions will be in both nodes. Your cluster will provide you high availability and better read throughup, but not write scaling. What you show are the statistics for the table users, if you have not defined ...

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