Yiqun Lin created HDFS-11049:
--------------------------------
Summary: The description of dfs.block.replicator.classname is not
clearly
Key: HDFS-11049
URL: https://issues.apache.org/jira/browse/HDFS-11049
Project: Hadoop HDFS
Issue Type: Improvement
Components: documentation
Affects Versions: 3.0.0-alpha1
Reporter: Yiqun Lin
Assignee: Yiqun Lin
Priority: Minor
Now the description of the property {{dfs.block.replicator.classname}} seems
not clearly. The current description:
{code}
<property>
<name>dfs.block.replicator.classname</name>
<value>org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicyDefault</value>
<description>
Class representing block placement policy for non-striped files.
</description>
</property>
{code}
It seems too simple and the users will not get the other available block
placement policies and its usage. For example in HDFS-7541, it introduced a
new policy {{BlockPlacementPolicyWithUpgradeDomain}}. This policy can be good
used in rolling upgrade opeations.
This JIRA foucus on making a improvement for this in file {{hdfs-default.xml}}
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