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https://issues.apache.org/jira/browse/TEZ-2473?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rajesh Balamohan updated TEZ-2473:
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Attachment: TEZ-2473.2.patch
Thanks [~sseth]. Updated the patch to fix DiskFetchedInput.
Updating the ifile checksums will help in improving the failure detections
early. Not sure if we had a separate ticket for that, will create one.
> Consider using RawLocalFileSystem in MapOutput.createDiskMapOutput
> ------------------------------------------------------------------
>
> Key: TEZ-2473
> URL: https://issues.apache.org/jira/browse/TEZ-2473
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Rajesh Balamohan
> Assignee: Rajesh Balamohan
> Attachments: TEZ-2473.1.patch, TEZ-2473.2.patch
>
>
> Currently it makes use of LocalFileSystem which would go through
> checksumming. This can save some CPU cycles in tasks involving disk merges.
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