[jira] [Created] (HDFS-7387) NFS may only do partial commit due to a race between COMMIT and write

["Brandon Li (JIRA)" <ji...@apache.org>]

Brandon Li created HDFS-7387:
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             Summary: NFS may only do partial commit due to a race between COMMIT and write
                 Key: HDFS-7387
                 URL: https://issues.apache.org/jira/browse/HDFS-7387
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Brandon Li
            Assignee: Brandon Li
            Priority: Critical


The requested range may not be committed when the following happens:
1. the last pending write is removed from the queue to write to hdfs
2. a commit request arrives, NFS sees there is not pending write, and it will do a sync
3. this sync request could flush only part of the last write to hdfs
4. if a file read happens immediately after the above steps, the user may not see all the data.



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