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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-5465) Blocks remain under-replicated
Date Wed, 11 Mar 2009 23:04:50 GMT
Blocks remain under-replicated
------------------------------

                 Key: HADOOP-5465
                 URL: https://issues.apache.org/jira/browse/HADOOP-5465
             Project: Hadoop Core
          Issue Type: Bug
          Components: dfs
    Affects Versions: 0.18.3
            Reporter: Hairong Kuang
            Assignee: Hairong Kuang
            Priority: Blocker
             Fix For: 0.18.4


Occasionally we see some blocks remain to be under-replicated in our production clusters.
This is what we obeserved:
1. Sometimes when increasing the replication factor of a file, some blocks belonged to this
file do not get to increase to the new replication factor.
2. When taking meta save in two different days, some blocks remain in under-replication queue.


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