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https://issues.apache.org/jira/browse/HDFS-7566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14285169#comment-14285169
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Ray Chiang commented on HDFS-7566:
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What I've found so far:
dfs.https.enable
- Removed in HADOOP-10348
dfs.namenode.edits.journal-plugin.qjournal
- Needs an exception in the unit test. Can find references in code like:
DFSConfigKeys.DFS_NAMENODE_EDITS_PLUGIN_PREFIX + ".bookkeeper"
DFSConfigKeys.DFS_NAMENODE_EDITS_PLUGIN_PREFIX + "." + uriScheme
DFSConfigKeys.DFS_NAMENODE_EDITS_PLUGIN_PREFIX + ".dummy"
dfs.namenode.logging.level
- Was this ever actually used?
dfs.ha.namenodes.EXAMPLENAMESERVICE
+ Make an exception even though it's not used.
dfs.support.append
- Removed in HDFS-6246
hadoop.hdfs.configuration.version
- Used by DataNode.java to build another configuration property
> Remove obsolete entries from hdfs-default.xml
> ---------------------------------------------
>
> Key: HDFS-7566
> URL: https://issues.apache.org/jira/browse/HDFS-7566
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.6.0
> Reporter: Ray Chiang
> Assignee: Ray Chiang
> Labels: supportability
>
> So far, I've found these five properties which may be obsolete in
> hdfs-default.xml:
> - dfs.https.enable
> - dfs.namenode.edits.journal-plugin.qjournal
> - dfs.namenode.logging.level
> - dfs.ha.namenodes.EXAMPLENAMESERVICE
> + Should this be kept in the .xml file?
> - dfs.support.append
> + Removed with HDFS-6246
> I'd like to get feedback about the state of any of the above properties.
> This is the HDFS equivalent of MAPREDUCE-6057 and YARN-2460.
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