On Tue, Dec 23, 2008 at 05:51:43PM -0800, Jason Rutherglen wrote:
> Are there other implementation options?
Here's the plan for Lucy/KS:
1) Design index formats that can be memory mapped rather than slurped,
bringing the cost of opening/reopening an IndexReader down to a
negligible level.
2) Enable segment-centric sorted search. (LUCENE-1483)
3) Implement tombstone-based deletions, so that the cost of deleting
documents scales with the number of deletions rather than the size of the
index.
4) Allow 2 concurrent writers: one for small, fast updates, and one for
big background merges.
Marvin Humphrey
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