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https://issues.apache.org/jira/browse/HDFS-8356?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15187092#comment-15187092
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Akira AJISAKA commented on HDFS-8356:
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Reviewed to "dfs.ha.fencing.methods".
# "dfs.datanode.min.supported.namenode.version" and "dfs.datanode.startup" are
not supposed to be configured by users, so we can remove them from
hdfs-default.xml.
# In "dfs.datanode.oob.timeout-ms", we should document that OOB types are
OOB_RESTART, OOB_RESERVED1, OOB_RESERVED2, and OOB_RESERVED3, and now only
OOB_RESTART is used.
# In "dfs.datanode.parallel.volumes.load.threads.num", would you document that
the default value is the number of storages in the DataNode?
# In "dfs.datanode.socket.write.timeout", we should document that the parameter
is valid for DataNodes, not for DFSClient.
# Would you document that "dfs.datanode.sync.behind.writes.in.background" is
valid only when "dfs.datanode.sync.behind.writes" is set to true?
# In "dfs.datanode.transferTo.allowed", I'm thinking "If true" should be "If
false".
# Would you remove unnecessarily whitespace in "m achine" in the description of
"dfs.datanode.transferTo.allowed"?
# In "dfs.ha.fencing.methods", we can document that
the parameter is well-documented in HDFS-HA doc, as well as
"dfs.client.failover.proxy.provider".
> Document missing properties in hdfs-default.xml
> -----------------------------------------------
>
> Key: HDFS-8356
> URL: https://issues.apache.org/jira/browse/HDFS-8356
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: documentation
> Affects Versions: 2.7.0
> Reporter: Ray Chiang
> Assignee: Ray Chiang
> Labels: supportability, test
> Attachments: HDFS-8356.001.patch, HDFS-8356.002.patch,
> HDFS-8356.003.patch, HDFS-8356.004.patch, HDFS-8356.005.patch,
> HDFS-8356.006.patch
>
>
> The following properties are currently not defined in hdfs-default.xml. These
> properties should either be
> A) documented in hdfs-default.xml OR
> B) listed as an exception (with comments, e.g. for internal use) in the
> TestHdfsConfigFields unit test
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