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https://issues.apache.org/jira/browse/HBASE-2038?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13220981#comment-13220981
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Anoop Sam John commented on HBASE-2038:
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Hi Lars,
{quote}It might be possible to provide a custom filter to do that.{quote}
- What we wanted from the filter is include a row and then seek to the next row
which we are interested in. I cant see such a facility with our Filter right
now. Correct me if I am wrong. So suppose we already seeked to one row and this
need to be included in the result, then the Filter should return INCLUDE. Then
when the next next() call happens, then only we can return a SEEK_USING_HINT.
So one extra row reading is needed. This might create even one unwanted
HFileBlock fetch (who knows).
Can we add reseek() at higher level?
If you have suggestion pls give me.
Thanks
Anoop
> 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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