Rajesh Balamohan created HIVE-14323:
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Summary: Reduce number of FS permissions and redundant FS
operations
Key: HIVE-14323
URL: https://issues.apache.org/jira/browse/HIVE-14323
Project: Hive
Issue Type: Improvement
Reporter: Rajesh Balamohan
Priority: Minor
Some examples are given below.
1. When creating stage directory, FileUtils sets the directory permissions by
running a set of chgrp and chmod commands. In systems like S3, this would not
be relevant.
2. In some cases, fs.delete() is followed by fs.exists(). In this case, it
might be redundant to check for exists() (lookup ops are expensive in systems
like S3).
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