On 02/02/2016 05:34 PM, Benjamin Smith wrote:
We've ruled out IOPs for the disks (~ 20%)
How did you measure that? What filesystem are you using? What is the disk / array configuration?
Which database? If you run "iostat -x 2" what does a representative summary look like?
and raw CPU load (top shows perhaps 1/2 of cores busy, but the system slows to a crawl.
Define "busy"? _______________________________________________ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
