Clearing out inactive memory in the in_d state without a reboot.

[Smith, Albert]

> -----Original Message-----
> From: redhat-list-bounces at redhat.com 
> [mailto:redhat-list-bounces at redhat.com] On Behalf Of 
> Andrew.Bridgeman at corusgroup.com
> Sent: Wednesday, August 17, 2005 9:35 AM
> To: redhat-list at redhat.com
> Subject: Clearing out inactive memory in the in_d state 
> without a reboot.
> 
> 
> 
> Sorry about before i meant in_d not inet.d as previously stated.
> 
> Any advice on this problem would be great.
> 
> Regards
> 
> Andrew Bridgeman
> 
> 
> --------------------------------------------------------------
> --------------------------------------------------------------
> ----------
> 
> Old Question
> 
> Could someone please advise on the best way of clearing 
> Init_d memory so it gets flushed out to disk. I am running 
> Redhat WS and ES version 3. However i cannot reboot these 
> machines at present so i need to do it while they are 
> on-line. We are having a problem with all of our Linux 
> machines not automatically flushing to disk. Below is what i 
> see currently on the top command.
> 
> Mem:  3599032k av, 2926964k used,  672068k free   82052k buff 
>  469844k actv, 1731916k in_d,   54940k in_c  Swap: 2044072k 
> av,  0k used, 2044072k free   2614264k cached
> 
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I actually have a service call open with Dell Gold Support about this. Apparently this is a known issue in the kernel with kswapd not releasing the memory properly. They are currently working with RedHat engineering to develop a solution.

Albert Smith
Sr. Unix Systems Administrator
HPCSA, RHCT
Genex Services
440 E. Swedesford Rd.
Wayne, PA 19087
albert.smith at genexservices.com
(610) 964-5154