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Posted to issues@flink.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2019/06/25 13:35:00 UTC

[jira] [Updated] (FLINK-12984) Only call Histogram#getStatistics() once per set of retrieved statistics

     [ https://issues.apache.org/jira/browse/FLINK-12984?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated FLINK-12984:
-----------------------------------
    Labels: pull-request-available  (was: )

> Only call Histogram#getStatistics() once per set of retrieved statistics
> ------------------------------------------------------------------------
>
>                 Key: FLINK-12984
>                 URL: https://issues.apache.org/jira/browse/FLINK-12984
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Runtime / Metrics
>            Reporter: Nico Kruber
>            Assignee: Nico Kruber
>            Priority: Major
>              Labels: pull-request-available
>
> In some occasions, {{Histogram#getStatistics()}} was called multiple times to retrieve different statistics. However, at least the Dropwizard implementation has some constant overhead per call and we should maybe rather interpret this method as returning a point-in-time snapshot of the histogram in order to get consistent values when querying them.



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