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https://issues.apache.org/jira/browse/ACCUMULO-2061?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13911814#comment-13911814
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Bill Havanki commented on ACCUMULO-2061:
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+1 to punt.
> Deprecate instance.dfs.uri and instance.dfs.dir
> -----------------------------------------------
>
> Key: ACCUMULO-2061
> URL: https://issues.apache.org/jira/browse/ACCUMULO-2061
> Project: Accumulo
> Issue Type: Sub-task
> Components: master, tserver
> Reporter: Christopher Tubbs
> Priority: Critical
> Fix For: 1.6.0
>
>
> {{instance.dfs.uri}} and {{instance.dfs.dir}} are no longer needed with the
> {{instance.volumes}} property.
> Together, these two fields are needed for upgrades from relative paths, but
> full URIs for volumes should be specified in the {{instance.volumes}} set.
> Instead of appending {{instance.dfs.dir}} to every volume, which is a bit
> confusing, they should be specified explicitly in the {{instance.volumes}}.
> Example:
> {code}
> <property>
> <name>instance.volumes</name>
> <value>hdfs://nn1/accumulo</value>
> </property>
> {code}
> should be equivalent to
> {code}
> <property>
> <name>instance.dfs.uri</name>
> <value>hdfs://nn1</value>
> </property>
> <property>
> <name>instance.dfs.dir</name>
> <value>/accumulo</value>
> </property>
> {code}
> This change simplifies the semantics of configuring volumes for Accumulo to
> use for storage, and is a bit more obvious that we're logically configuring
> filesystem volumes, not "namenode URIs".
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