bird becoming unresponsive after a few hours

Darren O'Connor mellow.drifter at gmail.com
Mon Jun 29 10:16:02 CEST 2015


Hi all.

Last week I upgraded to Debian 8 running bird 1.4.5 - My sessions have been
up non-stop for the last 5 days, both v4 and v6. There is still a slight
delay on the first call to show route count, but not as bad a 1.4.0.

I'll continue to monitor, but for now it seems okay.

Thanks
Darren

On 25 June 2015 at 10:50, Ondrej Zajicek <santiago at crfreenet.org> wrote:

> On Thu, Jun 25, 2015 at 09:20:57AM +0100, Darren O'Connor wrote:
> > As for the behaviour. I noticed that when it stalls, even doing a 'show
> > mem' will sit for about 10 seconds before giving me a result. But at that
> > time I don't see high CPU or MEM usage
>
> When BIRD is unresponsive, it is not unusual that even simple commands
> may took about 10 seconds before being processed.
>
> When such behavior is experienced, CPU could be busy (user or system),
> idle or in IO-wait state - see top:
>
> Cpu(s):  7.7%us,  4.3%sy,  0.0%ni, 88.0%id,  0.0%wa,  0.0%hi,  0.0%si,
> 0.0%st
>
> You say it is not busy. For common server, you would see high wait time and
> low memory if the system is swapping. But since it is VPS, i would guess
> that the server could be overcommited and swapping on the provider side,
> which would look like being idle and with plenty of memory in the inside
> of VPS but with the same performance problems.
>
> --
> Elen sila lumenn' omentielvo
>
> Ondrej 'Santiago' Zajicek (email: santiago at crfreenet.org)
> OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net)
> "To err is human -- to blame it on a computer is even more so."
>
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> Version: GnuPG v1.4.9 (GNU/Linux)
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> =rUtc
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>
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