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From "Wei-Chiu Chuang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-11035) Better documentation for maintenace mode and upgrade domain
Date Wed, 19 Oct 2016 18:27:58 GMT
Wei-Chiu Chuang created HDFS-11035:
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             Summary: Better documentation for maintenace mode and upgrade domain
                 Key: HDFS-11035
                 URL: https://issues.apache.org/jira/browse/HDFS-11035
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: datanode, documentation
    Affects Versions: 2.9.0
            Reporter: Wei-Chiu Chuang


HDFS-7541 added upgrade domain and HDFS-7877 added maintenance mode. Existing documentation
about these two features are scarce and the implementation have evolved from the original
design doc. Looking at code and Javadoc and I still don't quite get how I can get datanodes
into maintenance mode/ set up a upgrade domain.

File this jira to propose that we write an up-to-date description of these two features.



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