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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-12975) Changes to the NameNode to support reads from standby
Date Tue, 02 Jan 2018 19:57:00 GMT
Konstantin Shvachko created HDFS-12975:
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             Summary: Changes to the NameNode to support reads from standby
                 Key: HDFS-12975
                 URL: https://issues.apache.org/jira/browse/HDFS-12975
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: namenode
            Reporter: Konstantin Shvachko


In order to support reads from standby NameNode needs changes to add ObserverNode role, which
turns off checkpointing and such.



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