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From "Robert Metzger (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-1572) Output directories are created before input paths are checked
Date Tue, 17 Feb 2015 16:39:11 GMT
Robert Metzger created FLINK-1572:
-------------------------------------

             Summary: Output directories are created before input paths are checked
                 Key: FLINK-1572
                 URL: https://issues.apache.org/jira/browse/FLINK-1572
             Project: Flink
          Issue Type: Improvement
          Components: JobManager
    Affects Versions: 0.9
            Reporter: Robert Metzger
            Priority: Minor


Flink is first creating the output directories for a job before creating the input splits.
If a job's input directories are wrong, the system will have created output directories for
a failed job.

It would be much better if the system is creating the output directories "on demand" before
data is actually written.



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