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 Mike Burger
> Sent: Wednesday, August 17, 2005 5:02 PM
> To: General Red Hat Linux discussion list
> Subject: RE: Clearing out inactive memory in the in_d state 
> without a reboot.
> 
> 
> On Wed, August 17, 2005 8:38 am, Smith, Albert said:
> >
> >
> >> -----Original Message-----
> >> From: redhat-list-bounces at redhat.com
> >>
> >> 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
> >
> > 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.
> 
> Out of curiosity, with which kernel(s) are you seeing this 
> type of issue?
> 
> I ask because, running FC3, I find that if I stick with the 
> old kernel-2.6.11-1.27, I'm doing well, but running any of 
> the released
> kernel-2.6.12 packages (currently, I have 2.6.12-1.372 
> installed), I've been experiencing system freezes, after 2-3 
> days of uptime.
> 
> Unfortunately, nothing shows up in dmesg, /var/log/messages, 
> and with screen blanking, I can't see what was on the 
> console, to get a better idea of what is going on.
> 
> I've reverted back to 2.6.11-1.27, for now.
> 
> --
> Mike Burger
> http://www.bubbanfriends.org
> 
> Visit the Dog Pound II BBS
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The currentl released kernel of AS3 is 2.4.21-32.0.1.Elsmp and it exists
in this kernel and the 27 kernel.