[Xymon] some graphs 5 hours behind

[Steve Holmes]

Yes, they are in sync. In fact the phenomena applies to graphs for the
xymon server itself. The rrd files are now 7 hours and 15 minutes behind.
So it becomes worse.

Any thoughts?

Thanks,
Steve

On Mon, Oct 8, 2012 at 8:01 PM, Steve Holmes <sholmes42 at gmail.com> wrote:

> You are right. I'm pretty sure they are all in sync, but will verify that
> tomorrow.
> Thanks
> Steve
>
> Wherever you go, there you are.
>
> On Oct 8, 2012, at 6:32 PM, "Novosielski, Ryan" <novosirj at umdnj.edu>
> wrote:
>
> You didn't mention that you checked that all of your clocks are in sync/in
> the right timezone. Did you?
>
>
>  *From*: Steve Holmes [mailto:sholmes42 at mac.com <sholmes42 at mac.com>]
> *Sent*: Monday, October 08, 2012 05:40 PM
> *To*: xymon at xymon.com <xymon at xymon.com>
> *Subject*: [Xymon] some graphs 5 hours behind
>
> We are working on upgrading, but in the mean time I'm trying to keep our
> Xymon 4.2.3 on an older SPARC running and making sense.
> So, for some as yet undetermined reason some (but not all) rrd files have
> started being updated about 5 hours behind. I.e. we can correlate events
> that we know happened at certain times with the graphs so the clock isn't
> somehow messed up (besides it looks ok to us in the shell), and when I do
> an rrdtool dump it is clear that the data is being added from 5 hours ago,
> or at least the last entry in the 12 hour database is stamped from about 5
> hours earlier.
>
> It appears to only be affecting the rrd files for the graphs that are only
> on the trends page. I.e. graphs that appear on the test pages (e.g. memory,
> cpu, disk) are not affected.
>
> The two hobbit_rrd processes are running with 30+ hours and 640 minutes of
> cpu time according to top. The system has been up for 30 days but Xymon was
> restarted about 3 weeks ago.
>
> The effect of this is the graphs, of course, for the data that is behind
> looks like it stopped recording 5 hours ago. As we watch it the data
> appears but there is this gap for the last 5 hours. So the customers are
> uncomfortable with this.
>
> My questions are: What can be done about it? I hesitate to stop and start
> Xymon for fear of loosing all of that data. What can be the cause? I know
> the server is slightly overloaded and has been for a few months, but this
> is really weird.
>
> We also have been getting warnings (yellow) from bbtest
>
> Whoops ! bb failed to send message - timeout
>
> Which results in gaps in the data, but those are usually only a few
> minutes in duration and are only occasional.
>
> Thanks,
> Steve
> --
> If they give you ruled paper, write the other way. -Juan Ramon Jimenez,
> poet, Nobel Prize in literature (1881-1958)
>
> I prayed for freedom for twenty years, but received no answer until I
> prayed with my legs. -Frederick Douglass, Former slave, abolitionist,
> editor, and orator (1817-1895)
>
> _______________________________________________
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> Xymon at xymon.com
> http://lists.xymon.com/mailman/listinfo/xymon
>
>


-- 
If they give you ruled paper, write the other way. -Juan Ramon Jimenez,
poet, Nobel Prize in literature (1881-1958)

I prayed for freedom for twenty years, but received no answer until I
prayed with my legs. -Frederick Douglass, Former slave, abolitionist,
editor, and orator (1817-1895)
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