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Re: [hobbit] strange graph behavior - random machines & graphs
- To: hobbit (at) hswn.dk
- Subject: Re: [hobbit] strange graph behavior - random machines & graphs
- From: "Gary Baluha" <gumby3203 (at) gmail.com>
- Date: Mon, 7 Apr 2008 14:36:08 -0400
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- References: <29f517690712050853u4d47ef3cr25fc15f538cdf85c (at) mail.gmail.com> <29f517690712120714y2a40280cib186239487583d32 (at) mail.gmail.com> <6C2B32F89382AF42875672B6F5BEB68204F54885 (at) MERCMBX07.na.sas.com> <961092e10712120728o906c216hec40c55ae9f0ece4 (at) mail.gmail.com> <6C2B32F89382AF42875672B6F5BEB68204F548B6 (at) MERCMBX07.na.sas.com> <29f517690712121045l3da75cc3ib5daf8ef86a7ab6c (at) mail.gmail.com> <29f517690712190659g5674db41xc1dc6d135080b74b (at) mail.gmail.com> <29f517690804071114q54a2b483lfe873df7b1e6203c (at) mail.gmail.com> <58EF0861D3A1A04182720B3A5231C7C2027FFE01 (at) usplm205.amer.corp.eds.com> <29f517690804071135n3869f2e9ib2acd9bdf63138eb (at) mail.gmail.com>
Oh, and I'm using the NCV module.
On Mon, Apr 7, 2008 at 2:35 PM, Gary Baluha <gumby3203 (at) gmail.com> wrote:
> In my case, it seems the "garbage" that is going into the graphs is caused
> by a lack of data, rather than actual bad data. I'm specifically wondering
> if there's some time interval mix-up that is causing the issue. If anyone
> would like to see a current example of one of the graphs with bad data, I'll
> gladly provide a screenshot.
>
>
> On Mon, Apr 7, 2008 at 2:27 PM, Hubbard, Greg L <greg.hubbard (at) eds.com>
> wrote:
>
> > If you look through the source, the RRD support modules are easy to
> > spot. If you are using custom graphs, then you need to review the ncv
> > method, or the "roll your own" method.
> >
> > But, since "garbage in -> garbage out" you might be on the right path.
> >
> > GLH
> >
> > ------------------------------
> > *From:* Gary Baluha [mailto:gumby3203 (at) gmail.com]
> > *Sent:* Monday, April 07, 2008 1:15 PM
> > *To:* hobbit (at) hswn.dk
> > *Subject:* Re: [hobbit] strange graph behavior - random machines &
> > graphs
> >
> > I thought I'd revisit this issue again. A new thought has occurred to
> > me... Where does Hobbit generate the RRD files? I wonder what parameters
> > Hobbit is using to pass to rrdtool, and if something there might be acting
> > funny with some of the data I'm providing to that Hobbit module.
> >
> > On Wed, Dec 19, 2007 at 10:59 AM, Gary Baluha <gumby3203 (at) gmail.com>
> > wrote:
> >
> > > It's interesting that it seems the CPU Load and Users and Processes
> > > graphs are the graphs that are most likely to have this strange corruption.
> > > I have also seen it on a few Disk graphs, but not nearly as many as the
> > > other two graphs. Interestingly, the CPU Utilization, Network I/O, and TCP
> > > Connection Times graphs have _never_ had this corruption. I'd also like to
> > > say the Memory Utilization graph hasn't had this issue either, though I
> > > can't recall with complete certainty that that is the case.
> > >
> > > I wonder what the main difference between the 3 graphs that do have
> > > the issue is, and the 3 (possibly 4) graphs that have never exhibited this
> > > issue. There must be some physical difference, as I can't imagine it is all
> > > due purely to luck...
> > >
> >
> >
>