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https://issues.apache.org/jira/browse/SOLR-4735?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15708347#comment-15708347
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ASF subversion and git services commented on SOLR-4735:
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Commit 14ff79175f524b38ec85f0542753e28dc8b1b2c6 in lucene-solr's branch
refs/heads/feature/metrics from [~ab]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=14ff791 ]
SOLR-4735 Simplify method names. Allow removing multiple metrics with a prefix.
> Improve Solr metrics reporting
> ------------------------------
>
> Key: SOLR-4735
> URL: https://issues.apache.org/jira/browse/SOLR-4735
> Project: Solr
> Issue Type: Improvement
> Reporter: Alan Woodward
> Assignee: Andrzej Bialecki
> Priority: Minor
> Attachments: SOLR-4735.patch, SOLR-4735.patch, SOLR-4735.patch,
> SOLR-4735.patch
>
>
> Following on from a discussion on the mailing list:
> http://search-lucene.com/m/IO0EI1qdyJF1/codahale&subj=Solr+metrics+in+Codahale+metrics+and+Graphite+
> It would be good to make Solr play more nicely with existing devops
> monitoring systems, such as Graphite or Ganglia. Stats monitoring at the
> moment is poll-only, either via JMX or through the admin stats page. I'd
> like to refactor things a bit to make this more pluggable.
> This patch is a start. It adds a new interface, InstrumentedBean, which
> extends SolrInfoMBean to return a
> [[Metrics|http://metrics.codahale.com/manual/core/]] MetricRegistry, and a
> couple of MetricReporters (which basically just duplicate the JMX and admin
> page reporting that's there at the moment, but which should be more
> extensible). The patch includes a change to RequestHandlerBase showing how
> this could work. The idea would be to eventually replace the getStatistics()
> call on SolrInfoMBean with this instead.
> The next step would be to allow more MetricReporters to be defined in
> solrconfig.xml. The Metrics library comes with ganglia and graphite
> reporting modules, and we can add contrib plugins for both of those.
> There's some more general cleanup that could be done around SolrInfoMBean
> (we've got two plugin handlers at /mbeans and /plugins that basically do the
> same thing, and the beans themselves have some weirdly inconsistent data on
> them - getVersion() returns different things for different impls, and
> getSource() seems pretty useless), but maybe that's for another issue.
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