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https://issues.apache.org/jira/browse/HBASE-430?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bryan Duxbury updated HBASE-430:
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Attachment: 430.patch
This patch makes it so RowResults are what are used in HRegionInterface. HTable
still reconstitutes the Map<HStoreKey, byte[]> the client side scanners use.
Ultimately I'd like to change scanners to use RowResults everywhere instead of
the existing interface, but this might be a good incremental step. All unit
tests pass.
> Performance: Scanners and getRow return maps with duplicate data
> ----------------------------------------------------------------
>
> Key: HBASE-430
> URL: https://issues.apache.org/jira/browse/HBASE-430
> Project: Hadoop HBase
> Issue Type: Improvement
> Reporter: Bryan Duxbury
> Assignee: Bryan Duxbury
> Priority: Minor
> Attachments: 430.patch
>
>
> Right now, whenever we get back multiple cells worth of data at a time, we do
> so in a map of HStoreKey->byte[]. This means that there is a duplicated Text
> row and long timestamp at the very least between every cell. This is quite a
> bit wasted. It also means we have to do a lot of translation every time.
> We could create a new Writable that contains just one row, one timestamp, and
> a map of Text->byte[].
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