[jira] [Closed] (FLINK-24470) EMA for buffer debloat level

["Piotr Nowojski (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-24470?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Piotr Nowojski closed FLINK-24470.
----------------------------------
    Fix Version/s: 1.15.0
       Resolution: Fixed

Merged to master as 76b9e1471eb^^^..76b9e1471eb

> EMA for buffer debloat level
> ----------------------------
>
>                 Key: FLINK-24470
>                 URL: https://issues.apache.org/jira/browse/FLINK-24470
>             Project: Flink
>          Issue Type: Improvement
>          Components: Runtime / Checkpointing
>    Affects Versions: 1.14.0
>            Reporter: Anton Kalashnikov
>            Assignee: Anton Kalashnikov
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.15.0
>
>
> Right now, we use EMA for the smoothing calculation of the throughput. But there is an idea to use EMA on the buffer debloat(BufferDebloater) level because it contains more information(old buffer size, current throughput, buffer in use count, etc.) and it looks like it should be used more effectively.
> !NB. This is just an idea which makes sense to try. but if the new implementation doesn't have real profit it makes sense to keep the old one.



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