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https://issues.apache.org/jira/browse/SOLR-17806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18029844#comment-18029844
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ASF subversion and git services commented on SOLR-17806:
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Commit c022d6bb42730a0dd412820d12e783be2478aa94 in solr's branch
refs/heads/main from Sanjay Dutt
[ https://gitbox.apache.org/repos/asf?p=solr.git;h=c022d6bb427 ]
SOLR-17806: Migrate SolrIndexSearcher metrics to OTEL (#3482)
* Migrate SolrIndexSearcher metrics to OTEL
* renaming metrics
* metric renaming, adding descriptions
* removing comment and renaming metric
* switch to OTEL for statsCache
* recording string metric is not required
* Metrics cleanup
* Fix broken searcher tests
* Change solr_searcher_live_docs_cache to a counter
* Feedback changes
* Remove sort metric
* Remove caching enabled metric
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Co-authored-by: Matthew Biscocho <[email protected]>
Co-authored-by: Matthew Biscocho <[email protected]>
> Migrate Dropwizard metric initializations to OTEL instruments
> -------------------------------------------------------------
>
> Key: SOLR-17806
> URL: https://issues.apache.org/jira/browse/SOLR-17806
> Project: Solr
> Issue Type: Sub-task
> Components: metrics
> Reporter: Matthew Biscocho
> Priority: Major
> Labels: pull-request-available
> Fix For: main (10.0)
>
> Time Spent: 34h
> Remaining Estimate: 0h
>
> This subtask is to track migrations of Dropwizard instruments to OTEL. Many
> places that initialize these metrics implement SolrMetricProducer. Doing this
> usually involves finding the initialization of these metric, remove
> Dropwizard and replace with the OTEL equivalent instruments using an one of
> the OTEL attributed metric wrappers.
> From dropwizard to OTEL:
> Gauge -> Gauge
> Counter -> Counter
> Histogram -> Histogram
> Meter -> Counter (May also need Histogram or gauges for rates)
> Timer -> Histogram (Use AttributedLongTimer)
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