[Rack] Noisebridge-discuss mail server dead?

Andy Isaacson adi at hexapodia.org
Wed Mar 20 01:02:34 UTC 2013


Cool, have it run and email yourself and root@ every few hours?

-andy

On Tue, Mar 19, 2013 at 02:58:46PM -0700, Ben Kochie wrote:
> I made this nice tool to examine the cgroup use:
> 
> /usr/local/sbin/get-cgroup-memory-use.sh
> 
>     memory            max          limit       cgroup
> -------------------------------------------------------------
>      22528 KiB      26284 KiB      65536 KiB   bind9
>       1480 KiB      16384 KiB      32768 KiB   clamsmtp
>      15640 KiB     184980 KiB     262144 KiB   posfix
>     204052 KiB     461428 KiB     524288 KiB   mysql
>     120508 KiB     131072 KiB     131072 KiB   mailman
>     193216 KiB     320976 KiB     393216 KiB   clamav-daemon
>     224424 KiB     786432 KiB     786432 KiB   apache2
> =============================================================
>     730888 KiB          0 KiB         -1 KiB   Default
> 
> As you can see, the clamsmtp cgroup hit 16MB and died, but is now
> 32MB.  I'm guessing it leaks.
> 
> -ben
> 
> On Tue, 19 Mar 2013, Ben Kochie wrote:
> 
> >It looks like my memory limit on clamsmtpd was a bit low (16MB)
> >
> >Mar 19 20:58:16 m2 kernel: [5761136.017754] clamsmtpd invoked
> >oom-killer: gfp_mask=0xd0, order=0, oom_adj=0, oom_score_adj=0
> >Mar 19 20:58:16 m2 kernel: [5761136.017760] clamsmtpd cpuset=/ mems_allowed=0
> >Mar 19 20:58:16 m2 kernel: [5761136.017880] memory: usage 16384kB,
> >limit 16384kB, failcnt 220
> >Mar 19 20:58:16 m2 kernel: [5761136.017883] memory+swap: usage
> >16384kB, limit 9007199254740991kB, failcnt 0
> >
> >I've doubled the memory limit for clamsmtpd to 32MB.
> >
> >Andy, please do not enable swap, it just makes things worse.  All
> >of the services are memory isolated now, so if there is an OOM,
> >it's due to reservation limits on a per cgroup basis.
> >
> >-ben
> >
> >On Tue, 19 Mar 2013, Andy Isaacson wrote:
> >
> >>The mail system broke due to OOM errors.  I restarted the daemons and
> >>flushed the queue.
> >>
> >>-andy
> >>
> >>On Tue, Mar 19, 2013 at 11:00:32AM -0700, Mitch Altman wrote:
> >>>Hi Andy,
> >>>Are you someone who can check the status of the Noisebridge
> >>>email server? It seems to be a bit quiet lately.
> >>>Thanks,
> >>>Mitch.
> >>>
> >>>----------------
> >>>>From: john_re at fastmail.us
> >>>>To: noisebridge-discuss-owner at lists.noisebridge.net;
> >>>>danny at spesh.com; liz at bookmaniac.org
> >>>>CC: maltman23 at hotmail.com; jim at systemateka.com
> >>>>Subject: Noisebridge-discuss mail server dead?
> >>>>Date: Tue, 19 Mar 2013 09:11:33 -0700
> >>>>
> >>>>I sent it mail yesterday , still not through yet,
> >>>>& no other mail from nb either.
> >>>>
> >>>>https://www.noisebridge.net/pipermail/noisebridge-discuss/2013-March/date.html
> >>_______________________________________________
> >>Rack mailing list
> >>Rack at lists.noisebridge.net
> >>https://www.noisebridge.net/mailman/listinfo/rack
> >>
> >_______________________________________________
> >Rack mailing list
> >Rack at lists.noisebridge.net
> >https://www.noisebridge.net/mailman/listinfo/rack
> >


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