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https://issues.apache.org/jira/browse/HIVE-26758?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chao Sun resolved HIVE-26758.
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Fix Version/s: 4.0.0
Hadoop Flags: Reviewed
Resolution: Fixed
> Allow use scratchdir for staging final job
> ------------------------------------------
>
> Key: HIVE-26758
> URL: https://issues.apache.org/jira/browse/HIVE-26758
> Project: Hive
> Issue Type: New Feature
> Components: Query Planning
> Affects Versions: 4.0.0-alpha-2
> Reporter: Yi Zhang
> Assignee: Yi Zhang
> Priority: Minor
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Time Spent: 4h 10m
> Remaining Estimate: 0h
>
> The query results are staged in stagingdir that is relative to the
> destination path <destination_dir>/<staging_dir>/
> during blobstorage optimzation HIVE-17620 final job is set to use stagingdir.
> HIVE-15215 mentioned the possibility of using scratch for staging when write
> to S3 but it was long time ago and no activity.
>
> This is to allow final job to use hive.exec.scratchdir as the interim jobs,
> with a configuration
> hive.use.scratchdir.for.staging
> This is useful for cross Filesystem, user can use local source filesystem
> instead of remote filesystem for the staging.
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