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https://issues.apache.org/jira/browse/BIGTOP-316?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13176952#comment-13176952
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Eli Collins commented on BIGTOP-316:
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I think the description and discussion make this change sound like a much
bigger deal than it actually is. The motivations is that the packages should
be updated to reflect the project split. Eg we should be able to install hdfs
w/o mapreduce, or hdfs w/o yarn, or yarn w/o mapreduce (now that MR is
user-side there's no reason to install it on all the servers right?), etc.
Currently there is one hadoop spec file that results in a bunch of hadoop
packages (hadoop-<version>, hadoop-datanode, hadooop-namenode,
hadoop-jobtracker, etc) where most packages depend on the primary
hadoop-<version> package and introduce just service-specific bits (eg a
datanode service script). What this change is proposing is that instead of a
bunch of hadoop-* packages we subdivide into common, hdfs, mapreduce, and
yarn packages. Note that there is still a single coherent set of packages for
a given bigtop release. We'll enforce this with version dependencies the same
we do today to make sure hadoop-datanode depends the right hadoop-version, and
eg hbase package x depends on zookeeper package x, ie this doesn't allow for
arbitrary mixing and matching, it just updates the package structure to reflect
the project split.
> split up hadoop packages into common, hdfs, mapreduce (and yarn)
> ----------------------------------------------------------------
>
> Key: BIGTOP-316
> URL: https://issues.apache.org/jira/browse/BIGTOP-316
> Project: Bigtop
> Issue Type: Sub-task
> Components: General
> Reporter: Roman Shaposhnik
> Assignee: Roman Shaposhnik
> Fix For: 0.3.0
>
>
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