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Posted to issues@solr.apache.org by "Mayya Sharipova (Jira)" <ji...@apache.org> on 2021/06/23 13:50:10 UTC

[jira] [Updated] (SOLR-15425) Upgrade to Metrics 4.2.0

     [ https://issues.apache.org/jira/browse/SOLR-15425?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mayya Sharipova updated SOLR-15425:
-----------------------------------
    Security:     (was: Public)

> Upgrade to Metrics 4.2.0
> ------------------------
>
>                 Key: SOLR-15425
>                 URL: https://issues.apache.org/jira/browse/SOLR-15425
>             Project: Solr
>          Issue Type: Improvement
>          Components: metrics
>            Reporter: Andrzej Bialecki
>            Assignee: Andrzej Bialecki
>            Priority: Major
>
> In addition to many fixes and compatibility with new Java versions this release adds a {{LockFreeExponentiallyDecayingReservoir}} which substantially reduces the cost of collecting histograms, especially for multi-threaded updates. It provides also a no-op implementation of MetricRegistry, which would further reduce the already small overheads when metrics collection is turned off.



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