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https://issues.apache.org/jira/browse/HDFS-4519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13584696#comment-13584696
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Jos Backus commented on HDFS-4519:
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While this is an interesting intermediate solution (I suggested something
similar to HWX when I tried adding daemontools support to the secure datanode),
wouldn't it make more sense to retire the use of jsvc altogether? This would
also allow the exception in the hadoop startup wrapper to support datanode
secure mode to be removed.
> Support override of jsvc binary and log file locations when launching secure
> datanode.
> --------------------------------------------------------------------------------------
>
> Key: HDFS-4519
> URL: https://issues.apache.org/jira/browse/HDFS-4519
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode, scripts
> Affects Versions: 1.2.0
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Attachments: HDFS-4519-branch-1.1.patch
>
>
> Currently, builds based on branch-1 bundle a specific version of jsvc
> pre-built for Linux, and the startup scripts hard-code the location of the
> output and error files. Some deployments may prefer to upgrade to a
> different version of jsvc, independent of the version bundled in Hadoop, and
> redirect its output elsewhere.
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