[Freeswitch-users] Reliability of HEARTBEAT events every 20 seconds? (in mod_event_socket)

[Steven Ayre]

Also do you have any warning messages like this in the fs log?
Task was executed late by %d seconds

(That should show up if the delay is in the scheduler, if the task
runs >1s  late).

-Steve


On 9 December 2010 11:27, Peter Olsson <peter.olsson at visionutveckling.se> wrote:
> Hello everyone,
>
>
>
> I have a question about the reliability of heartbeat events, it should be
> sent from FreeSWITCH every 20 seconds – right? If you look below in my log
> sample (from my own process), you can see that it comes 12:07:01, then 21,
> then 41, but after this it suddenly takes 31 seconds for it to show up
> (12:08:12). I’ve also done a Wireshark trace, and it shows the same thing –
> so it is really delayed from FS. The load at the time was zero calls, and
> the server itself was using maybe 5% CPU. After the delayed event it
> continues to show up every 20 seconds.
>
>
>
> [2010-12-09 12:07:01] Received HEARTBEAT event - we're alive.
>
> [2010-12-09 12:07:21] Received HEARTBEAT event - we're alive.
>
> [2010-12-09 12:07:41] Received HEARTBEAT event - we're alive.
>
> [2010-12-09 12:08:12] Received HEARTBEAT event - we're alive.
>
> [2010-12-09 12:08:32] Received HEARTBEAT event - we're alive.
>
> [2010-12-09 12:08:52] Received HEARTBEAT event - we're alive.
>
> [2010-12-09 12:09:12] Received HEARTBEAT event - we're alive.
>
>
>
> Should the HEARTBEAT event be 100% reliable, or could something cause a
> delay like this? This server is not on latest GIT, but it’s not more then
> one month old. I can debug this further myself, but I just want to know if
> it always should be triggered every 20 seconds, or if these events for some
> reasons might be delayed.
>
>
>
> By the way – no clock skew or anything is detected on the machine, so that’s
> not causing it.
>
>
>
> Thanks,
>
>
>
> Peter
>
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