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https://issues.apache.org/jira/browse/SOLR-17458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18036422#comment-18036422
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ASF subversion and git services commented on SOLR-17458:
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Commit 4d8057abbe4da68d19de6a847eba204f13b9734a in solr's branch
refs/heads/main from David Smiley
[ https://gitbox.apache.org/repos/asf?p=solr.git;h=4d8057abbe4 ]
SOLR-17458: OTEL metrics: some renames (#3826)
Units: index & disk size metric units changes from bytes (long) to megabytes
(double).
Affects: solr_disk_space, solr_core_disk_space, solr_core_index_size,
solr_core_replication_index_size, solr_core_indexsearcher_index_commit_size
Renames:
* solr_executor to solr_core_executor or solr_node_executor
* solr_replication to solr_core_replication
* solr_field_cache to solr_core_field_cache
* solr_searcher to solr_core_indexsearcher
* solr_indexwriter to solr_core_indexwriter
* solr_searcher_timer to solr_core_indexsearcher_open_time and
solr_core_indexsearcher_open_warmup_time
* attribute executor_name to name
When aggregating core metrics to the node level:
* don't strip off these attributes: internal, replica_type
* keep solr_core prefix, even when aggregated to node, since they relate to
cores
Moved instrumentedExecutorService() to SolrMetricsContext
> Metrics: switch from DropWizard to OpenTelemetry
> ------------------------------------------------
>
> Key: SOLR-17458
> URL: https://issues.apache.org/jira/browse/SOLR-17458
> Project: Solr
> Issue Type: Improvement
> Reporter: Matthew Biscocho
> Assignee: Matthew Biscocho
> Priority: Major
> Labels: pull-request-available
> Fix For: 10.0
>
> Time Spent: 4h 10m
> Remaining Estimate: 0h
>
> Solr currently captures metrics with Dropwizard 4. There was some limitations
> to Dropwizard, biggest one being metrics without tags/attributes making
> aggregation difficult and requires the Prometheus Exporter to work with
> Grafana.
> Creating this to track and explore integrating OpenTelemetry into Solr and
> possibly replace Dropwizard giving a larger exposure of observability tools.
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