Re: Redhat system speed problem (CVS)

From: Maziar Aflatoun (maz00_at_rogers.com)
Date: 03/04/04


Date: Thu, 04 Mar 2004 19:46:00 GMT

Thanks for the quick response. Here is the Kernel version and the top
command outpu.t
Any idea? Thx

Red Hat Linux release 7.3 (Valhalla)
Kernel 2.4.18-3smp
  2:37pm up 1:42, 3 users, load average: 0.00, 0.00, 0.00
79 processes: 78 sleeping, 1 running, 0 zombie, 0 stopped
CPU0 states: 0.2% user, 0.5% system, 0.0% nice, 98.3% idle
CPU1 states: 0.0% user, 0.0% system, 0.0% nice, 100.0% idle

  PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND
 2579 lnbll01 15 0 1052 1052 836 R 0.7 0.2 0:00 top
 1987 lnbdm01 15 0 1056 1056 836 S 0.5 0.2 0:33 top
    1 root 15 0 476 476 420 S 0.0 0.0 0:03 init
    2 root 15 0 0 0 0 SW 0.0 0.0 0:00 keventd
    3 root 34 19 0 0 0 SWN 0.0 0.0 0:00 ksoftirqd_CPU0
    4 root 34 19 0 0 0 SWN 0.0 0.0 0:00 ksoftirqd_CPU1
    5 root 15 0 0 0 0 SW 0.0 0.0 0:00 kswapd
    6 root 25 0 0 0 0 SW 0.0 0.0 0:00 bdflush
    7 root 15 0 0 0 0 SW 0.0 0.0 0:00 kupdated
    8 root 25 0 0 0 0 SW 0.0 0.0 0:00 mdrecoveryd
   14 root 25 0 0 0 0 SW 0.0 0.0 0:00 scsi_eh_0
   15 root 25 0 0 0 0 SW 0.0 0.0 0:00 scsi_eh_1
   16 root 25 0 0 0 0 SW 0.0 0.0 0:00 scsi_eh_2
   20 root 15 0 0 0 0 SW 0.0 0.0 0:01 kjournald
   99 root 16 0 0 0 0 SW 0.0 0.0 0:00 khubd
  192 root 15 0 0 0 0 SW 0.0 0.0 0:00 kjournald
  504 root 17 0 33724 32M 10340 S 0.0 6.5 0:02 java
  695 root 15 0 33724 32M 10340 S 0.0 6.5 0:00 java
  696 root 15 0 33724 32M 10340 S 0.0 6.5 0:10 java
  697 root 15 0 33724 32M 10340 S 0.0 6.5 0:00 java
  698 root 15 0 33724 32M 10340 S 0.0 6.5 0:00 java
  699 root 15 0 33724 32M 10340 S 0.0 6.5 0:02 java
  700 root 20 0 33724 32M 10340 S 0.0 6.5 0:00 java
  701 root 20 0 33724 32M 10340 S 0.0 6.5 0:00 java
  702 root 15 0 33724 32M 10340 S 0.0 6.5 0:01 java
  806 root 15 0 33724 32M 10340 S 0.0 6.5 0:00 java
  886 root 15 0 588 588 500 S 0.0 0.1 0:00 syslogd
  887 root 15 0 33724 32M 10340 S 0.0 6.5 0:00 java
  892 root 15 0 444 444 384 S 0.0 0.0 0:00 klogd
  909 root 15 0 33724 32M 10340 S 0.0 6.5 0:00 java
  913 rpc 15 0 552 552 468 S 0.0 0.1 0:00 portmap
  915 root 16 0 33724 32M 10340 S 0.0 6.5 0:00 java
  918 root 16 0 33724 32M 10340 S 0.0 6.5 0:00 java
  919 root 16 0 33724 32M 10340 S 0.0 6.5 0:00 java
  929 root 16 0 33724 32M 10340 S 0.0 6.5 0:00 java
  942 root 15 0 33724 32M 10340 S 0.0 6.5 0:03 java
  946 rpcuser 18 0 720 720 624 S 0.0 0.1 0:00 rpc.statd
  975 root 17 0 624 624 544 S 0.0 0.1 0:00 rpc.rquotad
  981 root 17 0 604 604 512 S 0.0 0.1 0:00 rpc.mountd
  986 root 18 0 0 0 0 SW 0.0 0.0 0:00 nfsd
  987 root 18 0 0 0 0 SW 0.0 0.0 0:00 nfsd
  988 root 18 0 0 0 0 SW 0.0 0.0 0:00 nfsd
  989 root 18 0 0 0 0 SW 0.0 0.0 0:00 lockd
  990 root 18 0 0 0 0 SW 0.0 0.0 0:00 rpciod
 1139 root 17 0 1228 1228 1020 S 0.0 0.2 0:00 sshd
 1172 root 15 0 956 956 760 S 0.0 0.1 0:00 xinetd
 1203 root 15 0 444 444 388 S 0.0 0.0 0:00 gpm
 1221 root 15 0 660 660 572 S 0.0 0.1 0:00 crond
 1275 xfs 15 0 3492 3492 876 S 0.0 0.6 0:00 xfs
 1311 daemon 15 0 524 524 460 S 0.0 0.1 0:00 atd
 1324 root 15 0 14612 14M 984 S 0.0 2.8 0:15 java
 1335 root 16 0 400 400 344 S 0.0 0.0 0:00 mingetty

Thanks
Maz.

"Tommy Reynolds" <TommyReynolds@yahoo.com> wrote in message
news:pan.2004.03.04.18.12.09.197777@yahoo.com...
> On Thu, 04 Mar 2004 16:56:23 +0000, Maziar Aflatoun wrote:
>
> > Is there any way to free the cached memory pages (Force it)?
> > Because running the command top doesn't show any processes using up that
> > much memory. Is having 26044K (out of 512 Megs) normal?
>
> This is entirely normal: the kernel is just buffering efficiently.
> The swap usage (as shown) is fine, too: the kernel moves long-unused
> pages out of memory onto swap in its spare time, just so it will free
> up some memory in case more is needed quickly in the future.
>
> 1) What kernel version are you running?
>
> 2) What does "top" show when the system is slow?
>



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