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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2022/10/17 06:52:00 UTC

[jira] [Commented] (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:comment-tabpanel&focusedCommentId=17618681#comment-17618681 ] 

Apache Spark commented on SPARK-40803:
--------------------------------------

User 'eejbyfeldt' has created a pull request for this issue:
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
>            Priority: Major
>
> 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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