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

[Steven Ayre]

What does the heartbeat event show as the uptime?

That should tell you whether the delay is occuring in the event being
generated, or whether the delay is when the event fires.

-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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