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Posted to common-issues@hadoop.apache.org by "Sumangala Patki (Jira)" <ji...@apache.org> on 2021/05/04 08:30:00 UTC

[jira] [Created] (HADOOP-17682) ABFS: Support FileStatus input to OpenFileWithOptions() via OpenFileParameters

Sumangala Patki created HADOOP-17682:
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             Summary: ABFS: Support FileStatus input to OpenFileWithOptions() via OpenFileParameters
                 Key: HADOOP-17682
                 URL: https://issues.apache.org/jira/browse/HADOOP-17682
             Project: Hadoop Common
          Issue Type: Sub-task
          Components: fs/azure
            Reporter: Sumangala Patki
            Assignee: Sumangala Patki


ABFS open methods require certain information (contentLength, eTag, etc) to be sent to Store to open the file at the given path. This information is retrieved via a GetFileStatus request to backend, resulting in a total of two Store calls to carry out the open function.

However, client applications may often have access to the FileStatus prior to invoking the open API. Providing this FileStatus to the driver through the OpenFileParameters argument of openFileWithOptions() can avoid the additional call to Store for FileStatus.

This PR adds handling for the FileStatus instance (if any) provided via the OpenFileParameters argument.



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