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Posted to issues@ozone.apache.org by "maobaolong (Jira)" <ji...@apache.org> on 2020/05/06 07:24:00 UTC

[jira] [Created] (HDDS-3545) MR Jobhistory cannot work well with o3fs hadoop compatible file system

maobaolong created HDDS-3545:
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             Summary: MR Jobhistory cannot work well with o3fs hadoop compatible file system
                 Key: HDDS-3545
                 URL: https://issues.apache.org/jira/browse/HDDS-3545
             Project: Hadoop Distributed Data Store
          Issue Type: Bug
          Components: Ozone Filesystem
            Reporter: maobaolong


After take a look at the code of JobHistory, i see  jobhistory use `fs.getModificationTime()` to get the directory modification time, and use it as a condition of starting scan the job directories. 

But, for ozone, wile insert a child to a `directory`, the modification time of the `directory` don't update now.

So we should update the modification time of `directory`, otherwise, MR Jobhistory and some other component which use the modification time of `directory` cannot work as expected.



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