From: Herbert Poetzl (herbert_at_13thfloor.at)
Date: Mon 19 Jul 2004 - 16:22:21 BST
On Mon, Jul 19, 2004 at 04:53:38PM +0200, Gebhardt Thomas wrote:
> On Monday 19 July 2004 16:22, Herbert Poetzl wrote:
>
> Hi,
>
> > not at the moment, but you can use a simple trick for that:
>
> thanks :-)
>
> > > That's another odd item. The RSS values reported by vserver-stat
> > > are ridiculously small (maybe off by a factor of 1024?). Just a few kB
> > > per active vserver running apache.
> >
> > give some numbers, and we'll discuss them ...
>
> master# vserver-stat
> CTX PROC VSZ RSS userTIME sysTIME UPTIME NAME DESCRIPTION
> 0 62 72MB 6kB 5h06m30 2h44m12 34d01h49 root server
> ...
> 49154 10 41MB 3kB 16m01.95 18m39.80 34d01h46 elog
> ...
>
> So the elog vserver has a reported RSS size of 3kB
>
> # vserver elog enter
> ...
> elog:/# ps faux
> USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
> root 26665 0.0 0.1 2136 1196 pts/1 S 16:35 0:00 /bin/bash
> -login
> root 27116 0.0 0.0 2556 780 pts/1 R 16:35 0:00 \_ ps faux
> root 1 0.0 0.0 1272 436 ? S Jun15 0:38 init [2]
> root 1285 0.0 0.0 1552 704 ? S Jun15 0:04 /sbin/syslog-ng
> root 1315 0.0 0.0 2780 644 ? S Jun15 0:03 /usr/sbin/sshd
> daemon 1318 0.0 0.0 1304 476 ? S Jun15 0:00 /usr/sbin/atd
> root 1321 0.0 0.0 1572 560 ? S Jun15 0:03 /usr/sbin/cron
> elog 12425 0.0 0.4 6376 4392 ? S Jun16 8:14 /usr/sbin/elogd
> elog 12433 0.0 0.1 6084 1176 ? S Jun16 4:18 /usr/sbin/elogd
> elog 12437 0.0 0.1 5300 1152 ? S Jun16 3:51 /usr/sbin/elogd
> elog 12441 0.0 0.1 6336 1708 ? S Jun16 8:01 /usr/sbin/elogd
> elog 12468 0.0 0.4 6184 4472 ? S Jun16 3:44 /usr/sbin/elogd
> elog 12471 0.0 0.1 5228 1084 ? S Jun16 3:27 /usr/sbin/elogd
>
> Summing up the VSZ column (skipping the bash created by the vserver enter
> command) we get about 40 MB, just as reported by vserver-stat.
> Summing up the RSS column we get about 17 MB which is much more
> that the 3kB reported by vserver-stat.
>
> Swap usage is about zero on that system, so the difference cannot
> be explained with vm pages swapped in/out. Leaving the vserver,
> vserver-stat reports 3kB RSS again:
>
> 49154 10 41MB 3kB 16m02.34 18m40.47 34d02h01 elog
seems that this is some kind of misinterpretation
or bad summation/output of those values, they are
basically 'just' sums over the ps output ...
enrico?
okay, now some questions:
- what kernel and kernel patches do you use?
- what tools and how are they configured?
- what distributions on host and guest?
TIA,
Herbert
> Cheers, Thomas
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