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Posted to mapreduce-dev@hadoop.apache.org by "Kevin (JIRA)" <ji...@apache.org> on 2019/06/26 18:22:00 UTC
[jira] [Created] (MAPREDUCE-7221) _SUCCESS file should be created
with permissions of parent directory
Kevin created MAPREDUCE-7221:
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Summary: _SUCCESS file should be created with permissions of parent directory
Key: MAPREDUCE-7221
URL: https://issues.apache.org/jira/browse/MAPREDUCE-7221
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: client
Affects Versions: 3.1.2
Reporter: Kevin
The _SUCCESS file is created with the default user permissions ... often read-only to the current user. This can prevent a second user from successfully performing operations in the directory that they would otherwise be able to perform. The permissions of the directory are a much better representation of the intent of access and the _SUCCESS file's permissions should not interfere with this intent.
The specific case where I ran into this being a problem: We have an "analytic pipeline" that can be used by many different users. At the end of the pipeline, statistics are appended to a Hive table. The _SUCCESS file must currently be deleted with elevated privileges before the statistics append at the end of the job.
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