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Posted to issues@spark.apache.org by "Lukas Rupprecht (Jira)" <ji...@apache.org> on 2025/02/12 23:31:00 UTC

[jira] [Created] (SPARK-51185) Revert simplifications to PartitionedFileUtil API due to increased risk of OOM

Lukas Rupprecht created SPARK-51185:
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             Summary: Revert simplifications to PartitionedFileUtil API due to increased risk of OOM
                 Key: SPARK-51185
                 URL: https://issues.apache.org/jira/browse/SPARK-51185
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
    Affects Versions: 4.0.0
            Reporter: Lukas Rupprecht
             Fix For: 4.0.0


A prior ticket (see https://issues.apache.org/jira/browse/SPARK-44081) implemented a simplification to the PartitionedFileUtils API that removed redundant `path` arguments, which can be obtained directly from the `FileStatusWithMetadata` object. To avoid repeatedly having to compute the path, this change changed `FileStatusWithMetadata.getPath` from a def to a lazy val. However, this increases the memory requirements as the path now needs to be kept in memory throughout the lifetime of a `FileStatusWithMetadata` object. This can lead to OOMs so we should revert this change and make `getPath` to be a `def`.



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