RE: [Xen-users] Linux guest memory increasing daily

["[STD]Ein" <ein@xxxxxxxxxxxxxx>]

This is typical behaviour for linux.  The linux kernel will attempt to allocate all available memory for disk caching, you will eventually see memory usage rise to ~90% and then sit around that point.

 

Inside top type ‘m’. This will add a memory summary at the top.

 

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From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Andrew Hartono
Sent: November 14, 2007 4:23 AM
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Linux guest memory increasing daily

 

Hi All,

 

I am wondering if anybody experienced the same problem as me. I just finished creating a few linux vm each with 512mb vmemory on my Xenexpress 4.0.

After a few days the memory usage on each vm gradually increasing from 10%, and a few days later it became 30%. On my linux guest I only start mysqld service with minimum services on.

 

Any help or feedback would be appreciated.

 

Below is the top output from one of my vm:

 

top - 18:16:32 up 2 days,  3:05,  1 user,  load average: 0.00, 0.00, 0.00

Tasks:  35 total,   2 running,  33 sleeping,   0 stopped,   0 zombie

Cpu(s):  0.0%us,  0.0%sy,  0.0%ni,100.0%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st

 

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND

    1 root      15   0  2048  636  544 S  0.0  0.1   0:00.00 init

    2 root      RT   0     0    0    0 S  0.0  0.0   0:00.00 migration/0

    3 root      34  19     0    0    0 S  0.0  0.0   0:00.00 ksoftirqd/0

    4 root      RT   0     0    0    0 S  0.0  0.0   0:00.00 watchdog/0

    5 root      10  -5     0    0    0 S  0.0  0.0   0:00.02 events/0

    6 root      10  -5     0    0    0 S  0.0  0.0   0:00.00 khelper

    7 root      16  -5     0    0    0 S  0.0  0.0   0:00.00 kthread

    9 root      10  -5     0    0    0 S  0.0  0.0   0:00.00 xenwatch

   10 root      13  -5     0    0    0 S  0.0  0.0   0:00.28 xenbus

   15 root      10  -5     0    0    0 S  0.0  0.0   0:00.00 kblockd/0

   16 root      20  -5     0    0    0 S  0.0  0.0   0:00.00 cqueue/0

   20 root      20  -5     0    0    0 S  0.0  0.0   0:00.00 khubd

   22 root      10  -5     0    0    0 S  0.0  0.0   0:00.00 kseriod

   76 root      25   0     0    0    0 S  0.0  0.0   0:00.00 pdflush

   77 root      15   0     0    0    0 S  0.0  0.0   0:00.00 pdflush

   78 root      20  -5     0    0    0 S  0.0  0.0   0:00.00 kswapd0

   79 root      20  -5     0    0    0 S  0.0  0.0   0:00.00 aio/0

  220 root      11  -5     0    0    0 S  0.0  0.0   0:00.00 kpsmoused

  239 root      18  -5     0    0    0 S  0.0  0.0   0:00.00 kmirrord

 

Thanks

 

andrew

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