[jira] [Created] (HADOOP-14450) ADLS Python client inconsistent when used in tandem with AdlFileSystem

["Sailesh Mukil (JIRA)" <ji...@apache.org>]

Sailesh Mukil created HADOOP-14450:
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             Summary: ADLS Python client inconsistent when used in tandem with AdlFileSystem
                 Key: HADOOP-14450
                 URL: https://issues.apache.org/jira/browse/HADOOP-14450
             Project: Hadoop Common
          Issue Type: Bug
          Components: fs/adl
            Reporter: Sailesh Mukil


Impala uses the AdlFileSystem connector to talk to ADLS. As a part of the Impala tests, we drop tables and verify that the files belonging to that table have been dropped for all filesystems that Impala supports. These tests however, fail with ADLS.

If I use the Hadoop ADLS connector to delete a file, and then list the parent directory of that file using the above Python client within the second, the client still says that the file is available in ADLS.

This is the Python client from Microsoft that we're using in our testing:
https://github.com/Azure/azure-data-lake-store-python

Their release notes say that it's still a "pre-release preview":
https://github.com/Azure/azure-data-lake-store-python/releases

Questions for the ADLS folks:

Is this a known issue? If so, will it be fixed soon?
Or is this expected behavior?

I'm able to deterministically reproduce it in my tests, with Impala on ADLS.



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