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https://issues.apache.org/jira/browse/HBASE-5313?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Busbey reassigned HBASE-5313:
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Assignee: (was: dhruba borthakur)
Fix Version/s: 3.0.0
Component/s: HFile
> Restructure hfiles layout for better compression
> ------------------------------------------------
>
> Key: HBASE-5313
> URL: https://issues.apache.org/jira/browse/HBASE-5313
> Project: HBase
> Issue Type: Improvement
> Components: HFile, io
> Reporter: dhruba borthakur
> Priority: Major
> Fix For: 3.0.0
>
>
> A HFile block contain a stream of key-values. Can we can organize these kvs
> on the disk in a better way so that we get much greater compression ratios?
> One option (thanks Prakash) is to store all the keys in the beginning of the
> block (let's call this the key-section) and then store all their
> corresponding values towards the end of the block. This will allow us to
> not-even decompress the values when we are scanning and skipping over rows in
> the block.
> Any other ideas?
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