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#16770 PR: Document the Thai analysis output changes in the 10.6 migration guide
5.6 hours ago  0 comments  0 votes  0 watches  kamthorn
The Thai work in 10.6 (#16717, #16718, #16720, #16722, #16727) is mostly additive, but it also ... Downstream projects had to find this out from the diffs (see elastic/elasticsearch#160854, and the ... This adds a "Migration from Lucene 10.5 to Lucene 10.6" section to MIGRATE.md that: - lists the ...

#16766 PR: Fix outdated SegmentInfos#readCommit javadocs
9 hours ago  2 comments  0 votes  0 watches  github-actions[bot], javanna, link, rahulgoswami
readCommit needs updating after #14607
    rahulgoswami 9 hours ago:  Thanks for catching this @javanna . I missed this java doc edit during 14607 . One edit I might suggest is since minVersion is a segment property, it might be more appropriate to ...
    javanna 1.3 days ago:  @rahulgoswami this relates to the changes you made with #14607 . Could you please take a look?

#16769 PR: Map vectors again for the merges #16749 missed
11 hours ago  1 comments  0 votes  0 watches  github-actions[bot], jimczi
16749 made Lucene99FlatVectorsReader.getMergeInstance() map the raw vectors again for a merge, so a ... Two kinds of readers never got there. Readers that wrap a raw reader returned this from getMergeInstance(), so the raw reader's merge ...
    jimczi 11 hours ago:  I've taken Lucene104ScalarQuantizedVectorsReader out of this PR: 16622 already forwards ... This PR keeps the Faiss reader, the de-duplicating formats, and the release bookkeeping in ...

#16768 PR: fix(util): reject LiveDocs backing sets with bits beyond maxDoc
12.3 hours ago  0 comments  0 votes  0 watches  github-actions[bot], salvatorecampagna
# TL;DR DenseLiveDocs and SparseLiveDocs take a backing bit set that may be longer than maxDoc, ... A bit actually set past maxDoc makes deletedCount wrong and makes two of the iterators return doc ... Both builders now reject that. # Summary Both classes accept a backing set that only has to be at ...

#16767: Could/should Lucene map the same file twice for different hints (RANDOM, SEQUENTIAL) instead of ...
13.7 hours ago  2 comments  0 votes  0 watches  jimczi, mikemccand
Description Spinoff from [this comment] Not sure if this is a silly idea or might be helpful: ... The hint is surprisingly impactful! I've seen benchmarks take many minutes (when it should've been a few seconds) on a fast-ish NVMe ...
    jimczi 13.7 hours ago:  I opened 16769 to handle the missing formats. One thing to flag: RANDOM probably isn’t the right advice for vectors used within HNSW. Setting RANDOM on a mapping means accesses don’t update recency, so once the page cache is full, ...
    jimczi 14.2 hours ago:  @mikemccand we already implemented this idea in https://github.com/apache/lucene/pull/16749 for ... I guess this is the only way to have 2 read patterns on the same file without disturbing each other ... We also added https://github.com/apache/lucene/pull/16682 to ensure that the directory has the ...

#16576 PR: Reduce IndexOrDocValuesQuery DV penalty from 8x to 6x
20.9 hours ago  7 comments  0 votes  0 watches  costin, github-actions[bot], javanna, utafrali
Revisit the threshold in IndexOrDocValuesQuery for picking points vs DV (especially now with ... With block-level skipping, DV is competitive with points for selective leads in conjunctions. Reducing to 6x lets the DV path be chosen in the crossover regime, yielding 1.78x throughput on ...
    github-actions[bot] 8.9 days ago:  This PR has not had activity in the past 2 weeks, labeling it as stale. If the PR is waiting for review, notify the dev@lucene.apache.org list. Thank you for your contribution!
    utafrali 1.2 months ago:  The core one-line threshold change is well-justified by the included JMH benchmark and the ... Approving with a few suggestions to tidy up stale exploratory comments and small polish items in ...

#16623 PR: Add LiveDocs.toFixedBitSet specialization in FixedBitSet.copyOf
20.9 hours ago  18 comments  0 votes  0 watches  costin, github-actions[bot], github-advanced-security[bot], javanna, michaeljmarshall, salvatore-campagna
After LiveDocs interface was introduced in 15413, FixedBitSet.copyOf fell to per-bit loop execution ... This PR addresses that by introducing a toFixedBitSet() method on LiveDocs and a dedicated check in ... Since there are only two implementations of LiveDocs, both final, the dispatch is bimorphic and ...
    salvatore-campagna 1.2 days ago:  Looks like there is a caller that runs per query, not just per reader open: AcceptDocs.fromLiveDocs ... Might be worth mentioning in the description.
    salvatore-campagna 1.2 days ago:  This override does not assert anything, unlike the others here. getLiveDocs() above already asserts ... Maybe we can assert the same for the result here? Also, it would catch the padded case I mentioned on DenseLiveDocs.

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