Hi Jonathan,
IIRC, when ganglia first receives metrics from a new host, it does a
reverse lookup on that IP. If your DNS is correctly configured, then that
should resolve to the real hostname. I have encountered this type of issue
before, and ended up fixing DNS, stopping ganglia, deleting the directories
of the old metrics for the offending host, and then restarting, causing
ganglia to re-check the hostname. Loses the historical data for that host,
but fixes the issue.
Possibly someone will have a neater solution for you.
Cheers, Michael.
On 23 July 2014 08:13, Silver, Jonathan <[email protected]> wrote:
> If I look at all of the metrics that we collect and get reported, some get
> reported with the actual hostname of the collecting machine and some get
> reported as coming from localhost on that collecting machine.
> So the dropdown node selection has both hostname and localhost.
>
> Any idea how localhost is set? I'd like all of the metrics just to be
> under the hostname selection and not split across.
>
> I thought that some of our nodes were using gmetric to report collected
> metrics and I know that we removed any spoofing parameters that were being
> used, so I'm not sure why this is happening. Any ideas?
>
> But is there any way from the gmetad (ganglia server) that we could use
> hostname only? Can we fix this on the server and not on each of the agent
> machines?
>
> Thanks in advance,
> Jonathan
>
>
>
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