Lars Hofhansl created HBASE-9440:
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Summary: Pass blocks of KVs from HFile scanner to the
StoreFileScanner and up
Key: HBASE-9440
URL: https://issues.apache.org/jira/browse/HBASE-9440
Project: HBase
Issue Type: Bug
Reporter: Lars Hofhansl
Currently we read KVs from an HFileScanner one-by-one and pass them up the
scanner/heap tree. Many time the ranges of KVs retrieved from StoreFileScanner
(by StoreScanners) and HFileScanner (by StoreFileScanner) will be
non-overlapping. If chunks of KVs do not overlap we can sort entire chunks just
by comparing the start/end key of the chunk. Only if chunks are overlapping do
we need to sort KV by KV as we do now.
I have no patch, but I wanted to float this idea.
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