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https://issues.apache.org/jira/browse/HBASE-2904?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pranav Khaitan resolved HBASE-2904.
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Hadoop Flags: [Reviewed]
Resolution: Fixed
Code submitted.
Committed by Ryan.
Thanks to Ryan, Stack and Ted for their feedback on this!
> Smart seeking using filters
> ---------------------------
>
> Key: HBASE-2904
> URL: https://issues.apache.org/jira/browse/HBASE-2904
> Project: HBase
> Issue Type: Improvement
> Reporter: Pranav Khaitan
> Assignee: Pranav Khaitan
> Attachments: ReseekV10.patch
>
>
> Add the ability for filters to be able to communicate to scanners through
> ScanQueryMatcher. In addition to passing headers, filters should also be able
> to pass Keys to the Scanner so that the Scanner can directly seek to the
> appropriate position. This would give a significant gain in read performance.
> Currently, every key of the required rows is being read even though the
> required keys may be much lesser.
> Since filters can be customized depending on use cases, they are inexpensive
> and flexible to use.
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