Hi Ben,
just for your info. In 3.0.3 gmetric will have a check to prevent
non-numbers being inserted into the XML stream.
In the meanwhile below patch may help you. I will discuss it with on
the developers list.
Martin
--- Martin Knoblauch <[EMAIL PROTECTED]> wrote:
> Ben,
>
> are you able to rebuild gmetad with the follwing qick fix? This
> seems
> to solve it for me:
>
> --- rrd_helpers.c-orig 2006-01-25 16:14:16.000000000 +0100
> +++ rrd_helpers.c 2006-01-25 16:10:27.000000000 +0100
> @@ -54,7 +54,7 @@
> {
> err_msg("RRD_update (%s): %s", rrd, rrd_get_error());
> pthread_mutex_unlock( &rrd_mutex );
> - return 1;
> + return 0;
> }
> /* debug_msg("Updated rrd %s with value %s", rrd, val); */
> pthread_mutex_unlock( &rrd_mutex );
>
>
> --- Martin Knoblauch <[EMAIL PROTECTED]> wrote:
>
> >
> >
> > --- Ben Hartshorne <[EMAIL PROTECTED]> wrote:
> >
> > >
> > > Jan 24 17:24:18 localhost /usr/sbin/gmetad[30443]: RRD_update
> > > (/var/lib/ganglia/rrds/production/raiden-8-db1/users.rrd):
> > conversion
> > > of
> > > 'min,' to float not complete: tail 'min,'
> > >
> > > This seems to relate to a recent change I made that I had
> forgotten
> > > about. :) I added the following line to my crontab:
> > >
> > > */2 * * * * /usr/bin/gmetric --name="users" --value=`w | head -1
> |
> > > awk '{print $6}'` --type=int16
> > >
> >
> > OK, as I discovered before, your command can put funny things like
> > "min," into the metrics stream. Unfortunatelly, gmetric or gmond
> are
> > stupid enough to handle that.
> >
> > I can now kind of reproduce your problem by inserting the
> following
> > into the stream:
> >
> > gmetric --name="users" --type=int16 --value="min,"
> >
> > This appears then in both the gmond and gmetad XML. As a result,
> the
> > "report" graphs on my cluster view show the gaps. As soon as I
> insert
> > a
> > number into the stream, the graphs work fine.
> >
> > But - I only see the gaps in the cluster overview. The node
> displays
> > are not affected (both in the cluster overview and on the node
> > pages).
> >
> > Seems we need to make gmetric or gmond more robust against junk.
> Or
> > we
> > need to see what the problem in the web interface is. Or both :-)
> >
> > Martin
> >
> > ------------------------------------------------------
> > Martin Knoblauch
> > email: k n o b i AT knobisoft DOT de
> > www: http://www.knobisoft.de
> >
> >
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> >
> >
>
>
> ------------------------------------------------------
> Martin Knoblauch
> email: k n o b i AT knobisoft DOT de
> www: http://www.knobisoft.de
>
>
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------------------------------------------------------
Martin Knoblauch
email: k n o b i AT knobisoft DOT de
www: http://www.knobisoft.de
