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Posted to jira@kafka.apache.org by "Eric Bolinger (Jira)" <ji...@apache.org> on 2020/04/24 23:35:00 UTC

[jira] [Resolved] (KAFKA-9853) Improve performance of Log.fetchOffsetByTimestamp()

     [ https://issues.apache.org/jira/browse/KAFKA-9853?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Bolinger resolved KAFKA-9853.
----------------------------------
    Fix Version/s: 2.6.0
         Reviewer: Ismael Juma
       Resolution: Implemented

PR# 8474 produced commit 6216c88 (on trunk)

> Improve performance of Log.fetchOffsetByTimestamp()
> ---------------------------------------------------
>
>                 Key: KAFKA-9853
>                 URL: https://issues.apache.org/jira/browse/KAFKA-9853
>             Project: Kafka
>          Issue Type: Improvement
>          Components: core
>    Affects Versions: 0.10.2.2, 2.4.1
>            Reporter: Eric Bolinger
>            Priority: Minor
>              Labels: performance
>             Fix For: 2.6.0
>
>   Original Estimate: 1h
>  Remaining Estimate: 1h
>
> This method inefficiently searches for the first element that meets a condition.  The temporary collection returned by `takeWhile()` method is not really used.  But rather the length is used as an offset into the original collection.



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