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https://issues.apache.org/jira/browse/PHOENIX-2216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14723962#comment-14723962
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Gabriel Reid commented on PHOENIX-2216:
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I looked at this a while back, but never got far enough to actually get it
going (due to lack of time).
The idea behind HBASE-3727 is what is needed I think, but from my previous look
at this I'm pretty sure that it wouldn't be too difficult to get this working
via the "normal" [Hadoop
MultileOutputs|https://hadoop.apache.org/docs/current/api/org/apache/hadoop/mapreduce/lib/output/MultipleOutputs.html].
Using [Crunch|http://crunch.apache.org] would make this trivial, but I think
that that's probably way too big of a dependency to pull in to do something
like this.
I would _love_ to work on this, but I don't feel like I can put in enough time
to get it done right now -- of course I'd be happy to collaborate (at least in
terms of reviewing/discussing), but I don't think I can put together a working
patch for this in the really short-term.
> Support single mapper pass to CSV bulk load table and indexes
> -------------------------------------------------------------
>
> Key: PHOENIX-2216
> URL: https://issues.apache.org/jira/browse/PHOENIX-2216
> Project: Phoenix
> Issue Type: Bug
> Reporter: James Taylor
>
> Instead of running separate MR jobs for CSV bulk load: once for the table and
> then once for each secondary index, generate both the data table HFiles and
> the index table(s) HFiles in one mapper phase.
> Not sure if we need HBASE-3727 to be implemented for this or if we can do it
> with existing HBase APIs.
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