Robert Muir created LUCENE-5751:
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Summary: Bring MemoryDocValues up to speed
Key: LUCENE-5751
URL: https://issues.apache.org/jira/browse/LUCENE-5751
Project: Lucene - Core
Issue Type: Improvement
Reporter: Robert Muir
Attachments: LUCENE-5751.patch
This one has fallen behind...
It picks TABLE/GCD even when it won't actually save space or help, writes with
BlockpackedWriter even when it won't save space, etc.
Instead of comparing PackedInts.bitsRequired, factor in acceptableOverheadRatio
too to determine "will save space". Check if blocking will save space along the
same lines (otherwise use regular packed ints).
Fix a similar bug in Lucene49 codec along these same lines (comparing
PackedInts.bitsRequired instead of what would actually be written)
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