Hello, I'm investigating the most ideal settings to improve the performance of a glusterfs implementation. Are there optimal settings for the following parameters with respect to the Perc 6/I rev.122 controllers?
/sys/block/sda/queue/nr_requests Blockdev Readahead value (blockdev -getra /dev/sda) Currently the default values for CentOS are 128 and 256 respectively. I understand that increasing nr_requests will have a memory usage impact and changing the readahead parameters may have a memory usage impact. Regards, Richard Andrews Pelmorex Media Inc.
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