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Posted to issues@spark.apache.org by "Dongjoon Hyun (Jira)" <ji...@apache.org> on 2022/10/17 09:44:00 UTC

[jira] [Resolved] (SPARK-40803) LZ4CompressionCodec looks up configuration on each stream creation

     [ https://issues.apache.org/jira/browse/SPARK-40803?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dongjoon Hyun resolved SPARK-40803.
-----------------------------------
    Fix Version/s: 3.4.0
       Resolution: Fixed

Issue resolved by pull request 38282
[https://github.com/apache/spark/pull/38282]

> LZ4CompressionCodec looks up configuration on each stream creation
> ------------------------------------------------------------------
>
>                 Key: SPARK-40803
>                 URL: https://issues.apache.org/jira/browse/SPARK-40803
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>    Affects Versions: 3.3.0
>            Reporter: Emil Ejbyfeldt
>            Assignee: Emil Ejbyfeldt
>            Priority: Major
>             Fix For: 3.4.0
>
>
> This look up in SparkConf is quite expensive and shows up in profiling for cases where lots of smaller streams are created.



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