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https://issues.apache.org/jira/browse/HBASE-2038?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13181099#comment-13181099
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Alex Baranau commented on HBASE-2038:
-------------------------------------
I think that IHBase implementation (current one) implies that. For scans this
should not be a big problem though - regions are usually configured to be big
and with the help of index the whole region is skipped at once. If we are
talking about random single read (Get) operations then this may mean a lot of
"useless" work (comparing to amount of useful work).
Do you have a specific use-case (real one or just the on "in mind") you want to
discuss? If so, may be it makes sense to discuss on ML or even in chat (Skype
can work).
> Coprocessors: Region level indexing
> -----------------------------------
>
> Key: HBASE-2038
> URL: https://issues.apache.org/jira/browse/HBASE-2038
> Project: HBase
> Issue Type: New Feature
> Components: coprocessors
> Reporter: Andrew Purtell
> Priority: Minor
>
> HBASE-2037 is a good candidate to be done as coprocessor. It also serve as a
> good goalpost for coprocessor environment design -- there should be enough of
> it so region level indexing can be reimplemented as a coprocessor without any
> loss of functionality.
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