April 2010
Intermediate to advanced
276 pages
6h 16m
English
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Obtaining usage information
This recipe explains how to monitor the usage of a MySQL Cluster, looking at the memory, CPU, IO, and network utilization on storage nodes.
Getting ready
MySQL Cluster is extremely memory-intensive. When a MySQL Cluster starts, the storage nodes will start using the entire DataMemory and IndexMemory allocated to them. In a production cluster with a large amount of RAM, it is likely that this will include a large proportion of the physical memory on the server.
How to do it...
An essential part of managing a MySQL Cluster is looking into what is happening inside each storage node. In this section, we will cover the vital commands used to monitor a cluster.
To monitor the memory (RAM) usage of the nodes within the cluster, ...
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