[Xymon] Parsing problems with client reports

[Japheth Cleaver]

That's strange...
If anything, those switches should cause any hidden bugs with memory 
handling to be more quickly exposed, even to the point of aborting.

Have you noticed any free/alloc issues in xymond.log, or any other 
altered behavior since bouncing it?

-jc

On 12/14/2016 7:48 AM, Scot Kreienkamp wrote:
>
> Not sure what those switches do but the xymon server has been much 
> quieter since they were applied.
>
> *Scot Kreienkamp  | Senior Systems Engineer | La-Z-Boy Corporate*
> One La-Z-Boy Drive | Monroe, Michigan 48162 | Office: 734-384-6403 | | 
> Mobile: 7349151444 | Email: Scot.Kreienkamp at la-z-boy.com
>
> *From:*Xymon [mailto:xymon-bounces at xymon.com] *On Behalf Of *Japheth 
> Cleaver
> *Sent:* Tuesday, December 13, 2016 12:00 PM
> *To:* xymon at xymon.com
> *Subject:* Re: [Xymon] Parsing problems with client reports
>
> On 12/13/2016 7:01 AM, Scot Kreienkamp wrote:
>
>     Hello list,
>
>     Has anyone been working on the problem where reports from clients
>     are getting confused on the server?  I am getting multiple false
>     alerts daily now where it will turn back to green at the next
>     test, and when I go to look at the test in xymon it’s because it’s
>     only got partial information.  In multiple instances now I’ve been
>     able to see the report from another client, in part or in full, in
>     one clients page.  In the most recent incident last week I could
>     see the beginning client line from another windows client report
>     halfway down in the ports test for a Linux client.
>
>     All the false reports are really damaging the trust we place in
>     Xymon to monitor our systems, and people are starting to just
>     delete the warning emails without looking at them because we get
>     so many false reports now.
>
>     Thanks
>
>     *Scot Kreienkamp | Senior Systems Engineer | La-Z-Boy Corporate*
>     One La-Z-Boy Drive | Monroe, Michigan 48162  |( 734-384-6403 | |
>     )7349151444| *Scot.Kreienkamp at la-z-boy.com <mailto:%7BE-mail%7D>
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>
> Can you enable MALLOC_PERTURB_=1 and *MALLOC_CHECK_=3***in the xymon 
> environment? I've noticed this occasionally in the past and added 
> debugging logic, but I wasn't able to reliably duplicate it. I noticed 
> that it did seem to happen more often when the server was under memory 
> pressure and didn't seem to be related to truncated (or garbled) 
> incoming TCP connections.
>
> Also, what version and distro?
>
> -jc
>
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