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From "Jiandan Yang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-12348) disable removing block to trash while rolling upgrade
Date Thu, 24 Aug 2017 03:45:00 GMT
Jiandan Yang  created HDFS-12348:
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             Summary: disable removing block to trash while rolling upgrade
                 Key: HDFS-12348
                 URL: https://issues.apache.org/jira/browse/HDFS-12348
             Project: Hadoop HDFS
          Issue Type: New Feature
          Components: datanode
            Reporter: Jiandan Yang 
            Assignee: Jiandan Yang 


DataNode remove block file and meta file to trash while rolling upgrade,and do delete when
executing finalize. But frequently creating and deleting files leads to disk to be full(eg,Hbase
compaction), and we will not rollbacking namespace in production when rolling upgrade fail.
Disable trash of datanode maybe a good method to avoid disk to be full.



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