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From "Brahma Reddy Battula (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-3605) Missing Block in following sceanrio.
Date Fri, 06 Jul 2012 18:40:34 GMT
Brahma Reddy Battula created HDFS-3605:

             Summary: Missing Block in following sceanrio.
                 Key: HDFS-3605
                 URL: https://issues.apache.org/jira/browse/HDFS-3605
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: name-node
    Affects Versions: 2.0.0-alpha, 2.0.1-alpha
            Reporter: Brahma Reddy Battula

Open file for append
Write data and sync.
After next log roll and editlog tailing in standbyNN close the append stream.
Call append multiple times on the same file, before next editlog roll.
Now abruptly kill the current active namenode.

Here block this block missed..

this may be because of All latest blocks were queued in StandBy Namenode. 
During failover, first OP_CLOSE was processing the pending queue and adding the block to corrupted

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