Indeed, I do not see actual failures due to a timeout. Thanks Dejan,
On Tue, Oct 6, 2015 at 3:37 AM, Dejan Muhamedagic <deja...@fastmail.fm> wrote: > Hi, > > On Mon, Oct 05, 2015 at 12:53:25PM -0500, Radoslaw Garbacz wrote: > > Hi, > > > > I have a situation, when resource monitor operations timeout on system > high > > load. > > > > One thing to do is to increase timeouts, but there can always be load, at > > which the timeout event would happen, and on the other hand too long > > timeouts would not be very useful, > > Why do you think so? Did you see actual failures due to a > timeout, i.e. a process just hanging in limbo? > > > so I would like to increase the priority > > of monitoring processes (GNU Linux), but I do not want to be too broad. > > If that could make the server a bit bigger too ;-) > > Seriously, IMO you have two options: either add more resources > (as in hardware) or increase the monitor timeouts. > > Thanks, > > Dejan > > > So my question is, which pacemaker process should I target to ensure > timely > > monitoring operations, or maybe even there is a pacemaker configuration > > parameter, which would help in such a case. > > > > I know for sure, that agents finish they monitoring requests on time, and > > the timeout is due to high load. I have several agents, so I will provide > > just some details to illustrate the case: > > - timeout: ~60s > > - interval: ~60s > > - normal (low load) monitor request time: 0.2s > > - high load monitor request time: 8s - when pacemaker reports resource > > operation timeout > > > > > > Thanks, > > > > -- > > Best Regards, > > > > Radoslaw Garbacz > > XtremeData Incorporation > > > _______________________________________________ > > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > > > Project Home: http://www.clusterlabs.org > > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > > Bugs: http://bugs.clusterlabs.org > > > _______________________________________________ > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org > -- Best Regards, Radoslaw Garbacz XtremeData Incorporation
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