Re: Server is swapping with free memory available
From: Rich J <rjoralist3_at_society.servebeer.com>
Date: Wed, 20 Mar 2019 07:39:15 -0500
Message-ID: <40ae09aa0854875a4113583c68e1660a_at_society.servebeer.com>
Date: Wed, 20 Mar 2019 07:39:15 -0500
Message-ID: <40ae09aa0854875a4113583c68e1660a_at_society.servebeer.com>
On 2019/03/20 07:36, Rich J wrote:
> On 2019/03/19 15:54, Upendra nerilla wrote:
>
> Hello everyone -
> We have a database server which is choosing to swap though there is plenty of free memory.
> Any pointers on what to check are much appreciated..
> Environment:
> Red Hat Enterprise Linux Server release 6.7
> Oracle EE 12.1.0.2
> This server has 2 instances
Check out your kernel value for vm.swappiness. I believe the default is 60. I've set mine to "0", which is the equivalent of using swap when it's actually needed, instead of being proactive about it. Having the default value could explain what you're seeing.
See also MOS 2328563.1
Rich
-- http://www.freelists.org/webpage/oracle-lReceived on Wed Mar 20 2019 - 13:39:15 CET