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https://issues.apache.org/jira/browse/SPARK-50853?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun closed SPARK-50853.
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> Close temp shuffle file writable channel
> ----------------------------------------
>
> Key: SPARK-50853
> URL: https://issues.apache.org/jira/browse/SPARK-50853
> Project: Spark
> Issue Type: Bug
> Components: Shuffle, Spark Core
> Affects Versions: 3.4.0
> Reporter: Michael Chen
> Assignee: Michael Chen
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.5.5, 4.0.0
>
>
> SimpleDownloadWritableChannel implementation of closeAndRead method is not
> closing the writable channel. (compared to EncryptedDownloadWritableChannel
> implementation which is)
> {code:java}
> @Override
> public ManagedBuffer closeAndRead() throws IOException {
> return new FileSegmentManagedBuffer(transportConf, file, 0, file.length());
> } {code}
> There is nothing explicitly closing the channel, and it's relying on
> finalizer/phantom cleanable to close the file descriptor.
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