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https://issues.apache.org/jira/browse/HDFS-11035?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ming Ma updated HDFS-11035:
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Attachment: HDFS-11035.patch
Here is the draft patch including one doc for upgrade domain and another one
for datanode administration in general (decommission and maintenance). cc
[~jojochuang] [~manojg] [~eddyxu]
> 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
> Attachments: HDFS-11035.patch
>
>
> 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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