Andrzej Bialecki created SOLR-15416:
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Summary: Consider removing metrics history collection (and
MetricsHistoryHandler)
Key: SOLR-15416
URL: https://issues.apache.org/jira/browse/SOLR-15416
Project: Solr
Issue Type: Improvement
Security Level: Public (Default Security Level. Issues are Public)
Components: metrics
Reporter: Andrzej Bialecki
Assignee: Andrzej Bialecki
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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