Sree Bhattacharyya created HADOOP-18667:
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Summary: ABFS: eTag Check to mitigate Rename Failures
Key: HADOOP-18667
URL: https://issues.apache.org/jira/browse/HADOOP-18667
Project: Hadoop Common
Issue Type: Sub-task
Components: fs/azure
Reporter: Sree Bhattacharyya
Assignee: Sree Bhattacharyya
RenameFilePath on its first try receives a Request timed out error with code
500. On retrying the same operation, a Source file not found (404) error is
received.
Possible temporary mitigation: Check whether etags remain the same before and
after the retry and accordingly send an Operation Successful result, instead of
source file not found. For this, adding a check and an additional call to get
the source eTag, in case it is not present already, to check after a rename
retry whether the source and destination eTags match.
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