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Posted to issues@solr.apache.org by "ASF subversion and git services (Jira)" <ji...@apache.org> on 2022/05/11 15:53:00 UTC

[jira] [Commented] (SOLR-15416) Remove metrics history collection (and MetricsHistoryHandler)

    [ https://issues.apache.org/jira/browse/SOLR-15416?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17534986#comment-17534986 ] 

ASF subversion and git services commented on SOLR-15416:
--------------------------------------------------------

Commit a2bdab3b1806222b8d9fd5a87d02fa73ed4305ae in solr's branch refs/heads/main from Jason Gerlowski
[ https://gitbox.apache.org/repos/asf?p=solr.git;h=a2bdab3b180 ]

SOLR-15746: Remove unused metrics.history apispec (#853)

The "metrics history" feature was removed as a part of SOLR-15416, but
the apispec file was missed during that effort.  This commit removes it.

> Remove metrics history collection (and MetricsHistoryHandler)
> -------------------------------------------------------------
>
>                 Key: SOLR-15416
>                 URL: https://issues.apache.org/jira/browse/SOLR-15416
>             Project: Solr
>          Issue Type: Improvement
>          Components: metrics
>            Reporter: Andrzej Bialecki
>            Assignee: Andrzej Bialecki
>            Priority: Major
>             Fix For: 9.0, 8.9
>
>         Attachments: SOLR-15416-8x.patch, SOLR-15416.patch
>
>
> Originally this functionality was meant to one day support more intelligent decisions in the autoscaling triggers that would react to the dynamics of the metrics changes. For this reason it was useful to keep track of the changes in the key metrics over time, without depending on any external systems.
> With the removal of autoscaling the usefulness of this handler (and the collection of metrics history inside Solr) is questionable.
> I propose to remove it in 9.0.



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