Re: Multi processor server overloads occationally with system process while running postgresql-9.4 - Mailing list pgsql-performance

From Andres Freund
Subject Re: Multi processor server overloads occationally with system process while running postgresql-9.4
Date
Msg-id 20151003092615.GA16902@awork2.anarazel.de
Whole thread Raw
In response to Multi processor server overloads occationally with system process while running postgresql-9.4  (ajaykbs <ajayakumarbs@gmail.com>)
List pgsql-performance
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


pgsql-performance by date:

Previous
From: Wei Shan
Date:
Subject: Re: Multi processor server overloads occationally with system process while running postgresql-9.4
Next
From: ajaykbs
Date:
Subject: Re: Multi processor server overloads occationally with system process while running postgresql-9.4