K
Keith Sudbury
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Run the following... cat /proc/sys/vm/dirty_ratio cat /proc/sys/vm/swappiness cat /proc/sys/vm/dirty_background_ratio A lot of your memory is being used for OS caching, kswap is maintaining those buffers as part of its job. For database servers I usually set swappiness to 0, dirty_ratio to 60 and dirty_background_ratio to 5 as a starting point. Before you make any changes you need to carefully consider what you are going to do with that memory (-B, -T, etc.) or you will probably run into new performance problems as pages are read from disk instead of the buffer cache.
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