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https://issues.apache.org/jira/browse/SPARK-40803?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17618681#comment-17618681
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Apache Spark commented on SPARK-40803:
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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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