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https://issues.apache.org/jira/browse/SOLR-15392?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17356513#comment-17356513
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ASF subversion and git services commented on SOLR-15392:
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Commit f38dbd343a10a53f3c941eea83f3251588f52d9c in solr's branch
refs/heads/main from David Smiley
[ https://gitbox.apache.org/repos/asf?p=solr.git;h=f38dbd3 ]
SOLR-15392: Tracing span operation name and tags (#115)
The span operation name of a request is now composed of a command/verb
and a templated path. ex: "reload:/c/{collection}"
Add these span tags:
* http.method
* http.status_code
* http.params (non-standard; renamed from just "params")
* db.type ("solr")
* db.instance (collection or core name)
* db.user
And some span.log for relatively uncommon SolrDispatchFilter cases.
> Improve Tracing operation names and tags
> ----------------------------------------
>
> Key: SOLR-15392
> URL: https://issues.apache.org/jira/browse/SOLR-15392
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: David Smiley
> Assignee: David Smiley
> Priority: Major
> Time Spent: 8h 10m
> Remaining Estimate: 0h
>
> The distributed tracing span "operation name" should be a low cardinality
> value, ideally not including host names or data set names or similar.
> Ideally it starts with a verb then has something else about what the verb is
> applied to. Examples:
> * {{get:/{core}/select}}
> * {{post:/{collection}/update}}
> * {{list:/admin/collections}}
> * {{create:/admin/cores}}
> The following [span tags|https://opentracing.io/specification/conventions/]
> could be populated:
> * {{db.type}} : "solr"
> * {{db.user}} : current authenticated user
> * {{db.instance}} : collection or core (whichever the request is addressed to)
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