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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-8193) Add the ability to delay replica deletion for a period of time
Date Tue, 21 Apr 2015 01:36:58 GMT
Aaron T. Myers created HDFS-8193:
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             Summary: Add the ability to delay replica deletion for a period of time
                 Key: HDFS-8193
                 URL: https://issues.apache.org/jira/browse/HDFS-8193
             Project: Hadoop HDFS
          Issue Type: New Feature
          Components: namenode
    Affects Versions: 2.7.0
            Reporter: Aaron T. Myers
            Assignee: Zhe Zhang


When doing maintenance on an HDFS cluster, users may be concerned about the possibility of
administrative mistakes or software bugs deleting replicas of blocks that cannot easily be
restored. It would be handy if HDFS could be made to optionally not delete any replicas for
a configurable period of time.



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