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Posted to issues@spark.apache.org by "Emil Ejbyfeldt (Jira)" <ji...@apache.org> on 2022/10/15 06:02:00 UTC

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

Emil Ejbyfeldt created SPARK-40803:
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             Summary: 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


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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