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https://issues.apache.org/jira/browse/HADOOP-8255?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13249020#comment-13249020
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Allen Wittenauer commented on HADOOP-8255:
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bq. Historically (from what I was told) these were not in the classpath because
there existed other version of these tools that users wanted to run and hence
did not want the hadoop tools to be in the classpath by default. Is that still
true today?
Yes.
distcp is the big one. We definitely run a custom version as do many other
people. Additionally, at least in 0.20.2, there isn't much of a reason to
include them in the CLASSPATH:
* distcp
* distch
* har creation
* logalyzer (which I don't even know what that is)
all seem pretty non-fundamental to me.
Looking at 1.x, I still see a lot of non-fundamental bits that most people just
really don't need.
> add hadoop-tools to the classpath
> ---------------------------------
>
> Key: HADOOP-8255
> URL: https://issues.apache.org/jira/browse/HADOOP-8255
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: John George
> Assignee: John George
> Priority: Minor
>
> As of today, none of the components in hadoop tools is in the classpath.
> Historically (from what I was told) these were not in the classpath because
> there existed other version of these tools that users wanted to run and hence
> did not want the hadoop tools to be in the classpath by default. Is that
> still true today?
> Also, if users do want to add their own hadoop tools to the classpath, there
> are other ways to ensure that the user's classpath is picked up before
> hadoop's classpath.
> So, if there are no other reasons, can we add hadoop tools to the classpath?
> Or am I missing something?
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