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https://issues.apache.org/jira/browse/LUCENE-6536?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14579356#comment-14579356
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Mark Miller commented on LUCENE-6536:
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bq. I have found a few people that are trying to make a provider for hadoop.
Can you list what you have found?
This was some discussion / interest here: HADOOP-3518 - Want NIO.2 (JSR 203)
file system provider for Hadoop FileSystem
That leads you to a test impl here: https://github.com/damiencarol/jsr203-hadoop
> Migrate HDFSDirectory from solr to lucene-hadoop
> ------------------------------------------------
>
> Key: LUCENE-6536
> URL: https://issues.apache.org/jira/browse/LUCENE-6536
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Greg Bowyer
> Labels: hadoop, hdfs, lucene, solr
> Attachments: LUCENE-6536.patch
>
>
> I am currently working on a search engine that is throughput orientated and
> works entirely in apache-spark.
> As part of this, I need a directory implementation that can operate on HDFS
> directly. This got me thinking, can I take the one that was worked on so hard
> for solr hadoop.
> As such I migrated the HDFS and blockcache directories out to a lucene-hadoop
> module.
> Having done this work, I am not sure if it is actually a good change, it
> feels a bit messy, and I dont like how the Metrics class gets extended and
> abused.
> Thoughts anyone
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