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https://issues.apache.org/jira/browse/HIVE-16898?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16186080#comment-16186080
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ASF GitHub Bot commented on HIVE-16898:
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GitHub user sankarh opened a pull request:
https://github.com/apache/hive/pull/254
HIVE-16898: Validation of source file after distcp in repl load
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/sankarh/hive HIVE-16898
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/hive/pull/254.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #254
----
commit 9d3a04379e519f788e6b83bdbef70d7f7ef7f421
Author: Sankar Hariappan <[email protected]>
Date: 2017-09-28T17:06:19Z
HIVE-16898: Validation of source file after distcp in repl load
----
> Validation of source file after distcp in repl load
> ----------------------------------------------------
>
> Key: HIVE-16898
> URL: https://issues.apache.org/jira/browse/HIVE-16898
> Project: Hive
> Issue Type: Bug
> Components: HiveServer2
> Affects Versions: 3.0.0
> Reporter: anishek
> Assignee: Sankar Hariappan
> Labels: pull-request-available
> Fix For: 3.0.0
>
> Attachments: HIVE-16898.1.patch, HIVE-16898.2.patch,
> HIVE-16898.3.patch, HIVE-16898.4.patch, HIVE-16898.5.patch,
> HIVE-16898.6.patch, HIVE-16898.7.patch, HIVE-16898.8.patch
>
>
> time between deciding the source and destination path for distcp to invoking
> of distcp can have a change of the source file, hence distcp might copy the
> wrong file to destination, hence we should an additional check on the
> checksum of the source file path after distcp finishes to make sure the path
> didnot change during the copy process. if it has take additional steps to
> delete the previous file on destination and copy the new source and repeat
> the same process as above till we copy the correct file.
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