On Thu, Jun 5, 2014 at 8:47 AM, Tom Lane <tgl@xxxxxxxxxxxxx> wrote: > Vince Lasmarias <vincent.lasmarias@xxxxxxxxx> writes: >> For the past few days, we've been seeing unexpected high CPU spikes in our >> system. > > Recent reports have suggested that disabling transparent huge page > management in your kernel can help with this. If the excess CPU > load is mostly "system" time not "user" time then this is probably > the culprit. OP double posted this (OP: please refrain from doing that). I'm not sure if THP is the issue here (although it is definitely a major bugaboo if not a disaster IMNSHO) -- see commentary on the 'other thread'. http://www.postgresql.org/message-id/1401928047200-5806122.post@xxxxxxxxxxxxx melrin
