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Posted to dev@lucene.apache.org by "ASF subversion and git services (JIRA)" <ji...@apache.org> on 2016/12/01 13:26:59 UTC
[jira] [Commented] (SOLR-4735) Improve Solr metrics reporting
[ https://issues.apache.org/jira/browse/SOLR-4735?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15711969#comment-15711969 ]
ASF subversion and git services commented on SOLR-4735:
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Commit 1bc01d25ef2fa8fa015ba2fdb5b2ffc8ae3cec0a in lucene-solr's branch refs/heads/feature/metrics from [~ab]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=1bc01d2 ]
SOLR-4735 Introduce a concept of top-level group of metrics for things
that happen outside SolrCore.
> 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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