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https://issues.apache.org/jira/browse/HBASE-1901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12764765#action_12764765
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Jonathan Gray commented on HBASE-1901:
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The BigInteger range dividing stuff I did is over in HBASE-1183
> "General" partitioner for "hbase-48" bulk (behind the api, write hfiles
> direct) uploader
> ----------------------------------------------------------------------------------------
>
> Key: HBASE-1901
> URL: https://issues.apache.org/jira/browse/HBASE-1901
> Project: Hadoop HBase
> Issue Type: Wish
> Reporter: stack
>
> For users to bulk upload by writing hfiles directly to the filesystem, they
> currently need to write a partitioner that is intimate with how their key
> schema works. This issue is about providing a general partitioner, one that
> could never be as fair as a custom-written partitioner but that might just
> work for many cases. The idea is that a user would supply the first and last
> keys in their dataset to upload. We'd then do bigdecimal on the range
> between start and end rowids dividing it by the number of reducers to come up
> with key ranges per reducer.
> (I thought jgray had done some BigDecimal work dividing keys already but I
> can't find it)
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