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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-5313) NameNode hangs during startup trying to apply OP_ADD_PATH_BASED_CACHE_DIRECTIVE.
Date Sun, 06 Oct 2013 22:13:42 GMT
Chris Nauroth created HDFS-5313:
-----------------------------------

             Summary: NameNode hangs during startup trying to apply OP_ADD_PATH_BASED_CACHE_DIRECTIVE.
                 Key: HDFS-5313
                 URL: https://issues.apache.org/jira/browse/HDFS-5313
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: namenode
    Affects Versions: HDFS-4949
            Reporter: Chris Nauroth


During namenode startup, if the edits contain a {{OP_ADD_PATH_BASED_CACHE_DIRECTIVE}} for
an existing file, then the process hangs while trying to apply the op.  This is because of
a call to {{FSDirectory#setCacheReplication}}, which calls {{FSDirectory#waitForReady}}, but
of course nothing is ever going to mark the directory ready, because it's still in the process
of loading.



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