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https://issues.apache.org/jira/browse/SOLR-4916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13688094#comment-13688094
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Mark Miller commented on SOLR-4916:
-----------------------------------

It doesn't greatly affect other parts of Solr, it's not some big experimental 
change, so I intend to first commit to 5x and see how jenkins likes things and 
then backport to 4.x.

A lot of the core changes for this have slowly gone into 4.x long ago - 
including issues around making custom Directories first class in Solr and other 
little changes.

This builds to run against Apache Hadoop. I don't suspect that will be easily 
'pluggable', but it will be easy enough to change the ivy files to point to 
another Hadoop distro, fix any compile time errors (if there are any), run the 
tests, and build Solr.

Because our dependency is on client code that talks to hdfs, I suspect that it 
will work fine as is with most distros based on the same version of Apache 
Hadoop - and probably other versions as well in many cases.


                
> Add support to write and read Solr index files and transaction log files to 
> and from HDFS.
> ------------------------------------------------------------------------------------------
>
>                 Key: SOLR-4916
>                 URL: https://issues.apache.org/jira/browse/SOLR-4916
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Mark Miller
>            Assignee: Mark Miller
>         Attachments: SOLR-4916.patch, SOLR-4916.patch
>
>


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