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From "Jun Jin (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-4360) multiple BlockFixer should be supported in order to improve scalability and relief task on single BlockFixer
Date Fri, 04 Jan 2013 06:10:13 GMT
Jun Jin created HDFS-4360:
-----------------------------

             Summary: multiple BlockFixer should be supported in order to improve scalability
and relief task on single BlockFixer
                 Key: HDFS-4360
                 URL: https://issues.apache.org/jira/browse/HDFS-4360
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: contrib/raid
    Affects Versions: 0.23.1, 0.23.0, 0.22.0
            Reporter: Jun Jin


current implementation can only run single BlockFixer since the fsck only check the whole
DFS file system. multiple Raidnode/BlockFixer will do the same thing and try to fix same file
if multiple RaidNode and BlockFixer launched. 

the change/fix will be mainly in RaidNode.java and getCorruptFiles(), to enable fsck to check
the different paths defined in separated Raid.xml for single RaidNode/BlockFixer

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