Re: Multi processor server overloads occationally with system process while running postgresql-9.4

On 2015-10-03 01:39:33 -0700, ajaykbs wrote:
> It is observed that at some times during moderate load
> the CPU usage goes up to 400% and the users are not able to complete the
> queries in expected time. But the load is contributed by some system process
> only.The average connections are normally 50.

This email is nearly impossible to read.

But it sounds a bit like you need to disable transparent hugepages
and/or zone_reclaim mode.

Greetings,

Andres Freund