The metric-reporter is actually leveraged from another project.

https://github.com/addthis/metrics-reporter-config

Check the version of metric-reporter (in cassandra/lib) and see if it has
changed from your old version to your new version.




On Wed, Jan 4, 2017 at 12:02 PM, Mike Torra <mto...@demandware.com> wrote:

> Just bumping - has anyone seen this before?
>
> http://stackoverflow.com/questions/41446352/cassandra-
> 3-9-jvm-metrics-have-bad-name
>
> From: Mike Torra <mto...@demandware.com>
> Reply-To: "user@cassandra.apache.org" <user@cassandra.apache.org>
> Date: Wednesday, December 28, 2016 at 4:49 PM
> To: "user@cassandra.apache.org" <user@cassandra.apache.org>
> Subject: weird jvm metrics
>
> Hi There -
>
> I recently upgraded from cassandra 3.5 to 3.9 (DDC), and I noticed that
> the "new" jvm metrics are reporting with an extra '.' character in them.
> Here is a snippet of what I see from one of my nodes:
>
> ubuntu@ip-10-0-2-163:~$ sudo tcpdump -i eth0 -v dst port 2003 -A | grep
> 'jvm'
>
> tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size
> 65535 bytes
>
> .Je..l>.pi.cassandra.us-east-1.cassy-node1.jvm.buffers..direct.capacity
> 762371494 1482960946
>
> pi.cassandra.us-east-1.cassy-node1.jvm.buffers..direct.count 3054
> 1482960946
>
> pi.cassandra.us-east-1.cassy-node1.jvm.buffers..direct.used 762371496
> 1482960946
>
> pi.cassandra.us-east-1.cassy-node1.jvm.buffers..mapped.capacity
> 515226631134 1482960946
>
> pi.cassandra.us-east-1.cassy-node1.jvm.buffers..mapped.count 45572
> 1482960946
>
> pi.cassandra.us-east-1.cassy-node1.jvm.buffers..mapped.used 515319762610
> 1482960946
>
> pi.cassandra.us-east-1.cassy-node1.jvm.fd.usage 0.00 1482960946
>
> My metrics.yaml looks like this:
>
> graphite:
>   -
>     period: 60
>     timeunit: 'SECONDS'
>     prefix: 'pi.cassandra.us-east-1.cassy-node1'
>     hosts:
>      - host: '#RELAY_HOST#'
>        port: 2003
>     predicate:
>       color: "white"
>       useQualifiedName: true
>       patterns:
>         - "^org.+"
>         - "^jvm.+"
>         - "^java.lang.+"
>
> All the org.* metrics come through fine, and the jvm.fd.usage metric
> strangely comes through fine, too. The rest of the jvm.* metrics have this
> extra '.' character that causes them to not show up in graphite.
>
> Am I missing something silly here? Appreciate any help or suggestions.
>
> - Mike
>

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