[collectd] Bug#657877: collectd: Does not try to reconnect when rrd daemon dies

Sebastian Harl tokkee at debian.org
Sat Sep 24 22:17:48 CEST 2016


On Thu, Aug 20, 2015 at 11:40:13AM +0200, Sebastian Harl wrote:
> On Sun, Jan 29, 2012 at 04:20:14PM +0100, Matthias Urlichs wrote:
> > When collectd logs via rrdcached, and rrdcached is restarted, 
> > collectd spews errors instead of trying to reconnect.
> Thanks for reporting this and sorry for the slow reply :-/
> This issue is related to how the rrdcached client library works. It only
> supports a single connection and caches that in a global variable.
> collectd calls rrdc_connect on each write but the function will simple
> return success if it succeeded previously.
> I think what we'll have to do is
> (a) in collectd, close the connection on error and, thus, trigger an
>     actual reconnect; possibly use exponential back-off

I've got https://github.com/collectd/collectd/pull/1959 pending for

> (b) improve the RRDtool API ;-)

And https://github.com/oetiker/rrdtool-1.x/pull/742 for this.


Sebastian "tokkee" Harl +++ GnuPG-ID: 0x2F1FFCC7 +++ http://tokkee.org/

Those who would give up Essential Liberty to purchase a little Temporary
Safety, deserve neither Liberty nor Safety.         -- Benjamin Franklin

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 836 bytes
Desc: Digital signature
URL: <http://mailman.verplant.org/pipermail/collectd/attachments/20160924/3cb0d0ad/attachment.sig>

More information about the collectd mailing list