Performance: Scanners and getRow return maps with duplicate data
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Key: HBASE-430
URL: https://issues.apache.org/jira/browse/HBASE-430
Project: Hadoop HBase
Issue Type: Improvement
Reporter: Bryan Duxbury
Priority: Minor
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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