Fix KeyOnlyFilter + Add Value Length
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Key: HBASE-3232
URL: https://issues.apache.org/jira/browse/HBASE-3232
Project: HBase
Issue Type: Bug
Reporter: Nicolas Spiegelberg
Assignee: Nicolas Spiegelberg
Priority: Blocker
Fix For: 0.90.0
HBASE-3211 altered filter code to mutate KeyValues. What could go wrong?
Well, your scan could mess up because the KVHeap compare functions don't work
properly. If we're going to soft mutate KVs in filter code, we also need to
soft copy the KV before filtering. This was found while adding the ability to
have KeyOnlyFilter have the option to return the Value's length. This is
useful for grouping your reduce tasks into equal-sized blocks.
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