Bharat Viswanadham created HDDS-4155:
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Summary: Directory and filename can end up with same name
Key: HDDS-4155
URL: https://issues.apache.org/jira/browse/HDDS-4155
Project: Hadoop Distributed Data Store
Issue Type: Bug
Environment: Scenario:
# Create key -> /a/b/c
# CreateDirectory -> /a/b/c
# CommitKey -> /a/b/c
So, now in Ozone we will have directory and file with name "c"
# InitiateMPU /a/b/c
# Create Part1 /a/b/c
# Commit Part1 /a/b/c
# Create Directory /a/b/c
# Complete MPU /a/b/c
So, now in Ozone, we will have directory and file with name "c". In MPU this
is one example scenario.
Few proposals/ideas to solve this:
# Check during commit whether a directory already exists with same name. But
disadvantage is after user uploads the entire data during last stage we fail.
(File system with create in progress acts similarly. Scenario: 1. vi t1 2.
mkdir t1 3. Save t1: (Fail:"t1" is a directory)
# During create directory check are there any open key creation with same name
and fail.
Any of the above approaches are not final, this Jira is opened to discuss this
issue and come up with solution.
Reporter: Bharat Viswanadham
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