Many dsm_om_connsvc3 processes
Derek Yuen
derek.yuen at utoronto.ca
Sat Dec 2 14:58:08 CST 2006
Hi Patrick,
Thanks for the reply.
Apologies -- I misinterpreted the top output. Does that mean "many
threads consuming 40MB ram each" ? A bit frightening ? Is there a way we
can limit these ?
Thanks,
Derek
On Fri, 1 Dec 2006, Patrick_Boyd at Dell.com wrote:
> That is actually many threads in the process not distinct processes.
>
> -----Original Message-----
> From: linux-poweredge-bounces at dell.com
> [mailto:linux-poweredge-bounces at dell.com] On Behalf Of Derek Yeung
> Sent: Thursday, November 30, 2006 11:29 PM
> To: linux-poweredge-Lists
> Subject: Many dsm_om_connsvc3 processes
>
>
> Hi,
>
> On our PowerEdge 2950's, we were experiencing moderate slowdowns and
> high load. I first attributed these problems to a thread on the list
> about the PERC 5 (SAS) underperforming. However, I see that our iowait
> percentiles were quite high. A bit of poking around and I see that
> there were many
> dsm_om_connsvc3 processes consuming 40MB of ram each! This appears to
> be a component of OMSA (i've since disabled it) ... Is this a bug ?
>
> Has anyone else seen this ? If you're interested, run top and sort by
> memory (M)
>
> Here's a snipplet of the top output:
>
> 00:14:45 up 1 day, 10:33, 2 users, load average: 1.73, 1.71, 1.66
> 209 processes: 207 sleeping, 1 running, 1 zombie, 0 stopped
> CPU states: cpu user nice system irq softirq iowait idle
> total 1.6% 0.0% 0.9% 0.0% 0.0% 30.3%
> 67.0%
> cpu00 1.7% 0.0% 0.3% 0.0% 0.0% 44.1%
> 53.6%
> cpu01 1.1% 0.0% 1.3% 0.0% 0.0% 44.5%
> 52.8%
> cpu02 1.1% 0.0% 1.3% 0.0% 0.0% 16.3%
> 81.0%
> cpu03 2.5% 0.0% 0.5% 0.0% 0.0% 16.3%
> 80.4%
> Mem: 4091420k av, 4047204k used, 44216k free, 0k shrd, 300372k
> buff
> 659228k actv, 2391356k in_d, 86776k in_c
> Swap: 4192956k av, 0k used, 4192956k free 3305732k
> cached
>
> PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME CPU
> COMMAND
> 18998 root 15 0 40524 39M 11928 S 0.0 0.9 0:00 3
> dsm_om_connsvc3
> 18999 root 25 0 40524 39M 11928 S 0.0 0.9 0:00 0
> dsm_om_connsvc3
> 19000 root 15 0 40524 39M 11928 S 0.0 0.9 0:13 0
> dsm_om_connsvc3
> 19001 root 15 0 40524 39M 11928 S 0.0 0.9 0:00 3
> dsm_om_connsvc3
> 19002 root 15 0 40524 39M 11928 S 0.0 0.9 0:00 2
> dsm_om_connsvc3
> 19003 root 25 0 40524 39M 11928 S 0.0 0.9 0:00 3
> dsm_om_connsvc3
> 19004 root 15 0 40524 39M 11928 S 0.0 0.9 0:01 1
> dsm_om_connsvc3
> 19005 root 25 0 40524 39M 11928 S 0.0 0.9 0:00 3
> dsm_om_connsvc3
> 19006 root 15 0 40524 39M 11928 S 0.0 0.9 0:16 0
> dsm_om_connsvc3
> 19009 root 15 0 40524 39M 11928 S 0.0 0.9 0:00 3
> dsm_om_connsvc3
> 19010 root 15 0 40524 39M 11928 S 0.0 0.9 0:00 0
> dsm_om_connsvc3
> 19011 root 15 0 40524 39M 11928 S 0.0 0.9 0:00 0
> dsm_om_connsvc3
> 19130 root 15 0 40524 39M 11928 S 0.0 0.9 0:00 0
> dsm_om_connsvc3
> 19133 root 15 0 40524 39M 11928 S 0.0 0.9 0:00 0
> dsm_om_connsvc3
> 19134 root 15 0 40524 39M 11928 S 0.0 0.9 0:00 3
> dsm_om_connsvc3
> 19136 root 21 0 40524 39M 11928 S 0.0 0.9 0:00 0
> dsm_om_connsvc3
> 19137 root 21 0 40524 39M 11928 S 0.0 0.9 0:00 0
> dsm_om_connsvc3
> 19138 root 21 0 40524 39M 11928 S 0.0 0.9 0:00 0
> dsm_om_connsvc3
> 19139 root 21 0 40524 39M 11928 S 0.0 0.9 0:00 2
> dsm_om_connsvc3
> 19140 root 21 0 40524 39M 11928 S 0.0 0.9 0:00 2
> dsm_om_connsvc3
> 19141 root 21 0 40524 39M 11928 S 0.0 0.9 0:00 2
> dsm_om_connsvc3
> 19142 root 21 0 40524 39M 11928 S 0.0 0.9 0:00 2
> dsm_om_connsvc3
> 19143 root 21 0 40524 39M 11928 S 0.0 0.9 0:00 3
> dsm_om_connsvc3
> 19144 root 21 0 40524 39M 11928 S 0.0 0.9 0:00 2
> dsm_om_connsvc3
> 19145 root 21 0 40524 39M 11928 S 0.0 0.9 0:00 2
> dsm_om_connsvc3
> 19146 root 21 0 40524 39M 11928 S 0.0 0.9 0:00 2
> dsm_om_connsvc3
> 19147 root 21 0 40524 39M 11928 S 0.0 0.9 0:00 2
> dsm_om_connsvc3
> 19148 root 21 0 40524 39M 11928 S 0.0 0.9 0:00 2
> dsm_om_connsvc3
> 19149 root 21 0 40524 39M 11928 S 0.0 0.9 0:00 2
> dsm_om_connsvc3
> 19150 root 21 0 40524 39M 11928 S 0.0 0.9 0:00 2
> dsm_om_connsvc3
> 19151 root 21 0 40524 39M 11928 S 0.0 0.9 0:00 2
> dsm_om_connsvc3
> 19152 root 15 0 40524 39M 11928 S 0.0 0.9 0:00 3
> dsm_om_connsvc3
>
> Ideas ?
>
> Thanks,
> Derek
>
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