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https://issues.apache.org/jira/browse/BIGTOP-574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13272626#comment-13272626
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Roman Shaposhnik commented on BIGTOP-574:
-----------------------------------------
No sure why you need an extra set of dependencies for hadoop-mapreduce package.
Just having them for hadoop should suffice.
> Add netcat and fuser as dependencies for some of the Bigtop stack.
> -------------------------------------------------------------------
>
> Key: BIGTOP-574
> URL: https://issues.apache.org/jira/browse/BIGTOP-574
> Project: Bigtop
> Issue Type: Bug
> Components: General
> Affects Versions: 0.3.0
> Reporter: Peter Linnell
> Assignee: Peter Linnell
> Priority: Minor
> Fix For: 0.4.0
>
> Attachments: BIGTOP-574-1.patch, BIGTOP-574.patch
>
>
> The SshFenceByTcpPort class assumes that netcat (nc) and fuser will be
> available on the ssh target. fuser is in /sbin and is probably always
> installed, but I've definitely seen CentOS boxes without netcat installed. We
> could force installation by listing it as a package requirement, which I
> suspect would be a good thing.
> Relevant classes:
> hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/SshFenceB
> hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/SshFenceB
> hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/SshFenceB
> hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/SshFenceB
> hadoop-hdfs-project/hadoop-hdfs/src/contrib/fuse-dfs/src/test/TestFuseDFS.java:
>
> hadoop-hdfs-project/hadoop-hdfs/src/contrib/fuse-dfs/src/test/TestFuseDFS.java:
>
> hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-site/src/site/apt/HDFSHighAvail
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