[Rack] Noisebridge-discuss mail server dead?

[Andy Isaacson]

On Tue, Mar 19, 2013 at 02:43:09PM -0700, 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.

If you insist on configuring things so that they break randomly, please
configure monitoring so that we don't have multiday outages when they
break randomly because you configured them to.

-andy

> -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
> >