Hi,

On Tue, Oct 13, 2009 at 03:13:14AM -0700, Robinson, Eric wrote:
> >> 2009/09/13_01:52:04 WARN: Gmain_timeout_dispatch: Dispatch function 
> >> for send local status was delayed 15190 ms (> 10
> 
> >The last one is particularly bad: the local heartbeat was 
> >delayed for more than 15 seconds. 
> 
> 
> I checked all my old logs and this message appears 3 or 4 times per day,
> usually between midnight and 3:00 AM, which is when the backups run. The
> longest delay was 15 seconds, which seems to have occurred only once.
> There were a couple of delays in the 10 second range, and then all the
> rest were 5 seconds or less. My deadtime configuration is 30 seconds. 
> 
> 1. Do you think I have anything to worry about?

Yes, I think that this deserves investigation though it's
nothing to panic about. The deadtime setting seems to be long
enough.

> 2. Why would backups cause so much load that heartbeat can't update?
> These are 8-core 2.6GHz machines with 32GB RAM and 6x 15K SAS drives in
> a RAID 5 array.

Backups are known to be quite demanding. I'd suggest collecting
data with sar.

Thanks,

Dejan

> --
> Eric Robinson
> 
> 
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