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https://issues.apache.org/jira/browse/HADOOP-9164?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13572002#comment-13572002
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Colin Patrick McCabe commented on HADOOP-9164:
----------------------------------------------

Hi Owen,

I tend to agree with you that {{libhadoop.so}} should have the same version 
number as the jars do.  It's just more consistent.  Why don't we open up a 
separate JIRA just for that?  It sounds like a small change to you or I, but in 
reality it involves pulling in the bigtop people (who rely on the current 
naming scheme) and a bunch of other folks.

On the other hand, printing out the full path to the library in 
{{NativeLibraryChecker}} is just an HDFS-internal issue which we can easily do. 
 There's no reason why the two changes should be coupled, and I feel like the 
request to do so is blocking progress.

It's pretty common to have multiple copies of {{libhadoop.so}} on the same 
node.  For me personally, knowing the full path to the library actually being 
used is much more useful than the library version number.  Even if we redefine 
the {{libhadoop.so}} version number to be the same as the release number, that 
just means I will have a probably always be set to {{3.0.0-SNAPSHOT}} or the 
CDH version number.  I could have known that I was using {{3.0.0-SNAPSHOT}} 
just by looking at the name of the jars in my path.
                
> Add version number and/or library file name to native library for easy 
> tracking
> -------------------------------------------------------------------------------
>
>                 Key: HADOOP-9164
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9164
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: native
>    Affects Versions: 2.0.2-alpha
>            Reporter: Binglin Chang
>            Assignee: Binglin Chang
>            Priority: Minor
>         Attachments: HADOOP-9164.v1.patch, HADOOP-9164.v2.patch, 
> HADOOP-9164.v3.patch, HADOOP-9164.v4.2.patch, HADOOP-9164.v4.patch, 
> HADOOP-9164.v4.patch
>
>


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