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#16542 PR: GITHUB#15239: Honor exhaustive ScoreMode in BatchScoreBulkScorer
1.9 minutes ago  37 comments  0 votes  0 watches  NextbrickInc, github-actions[bot], hossman, jimczi
# Summary- Fixes 15239. - Make BatchScoreBulkScorer honor exhaustive ScoreMode before using a ... /gradlew :lucene:core:test --tests org.apache.lucene.search.TestMultiCollector (15 tests)- [x] ./gradlew :lucene:core:checkGoogleJavaFormat
    NextbrickInc 1.9 minutes ago:  @jimczi i resolved conflicts. please merge code . thanks alot.
    NextbrickInc 1.6 days ago:  @jimczi . hope you doing well. please merge code. thanks alot.

#16771 PR: Page-align vector data for all encodings
17 minutes ago  5 comments  0 votes  0 watches  CH-Abhinav, Pulkitg64, github-actions[bot], goankur, kaivalnp
Description Fast-follow to 16705. Rescoring with full-precision vectors reads one whole vector per candidate. A 1024-dim float32 vector is exactly 4096 bytes, but Lucene99FlatVectorsWriter aligns the vector ...
    kaivalnp 17 minutes ago:  > can't we do similar alignment to Bytes and F16's? I think the alignment is beneficial for something that is repeatedly read from the index on the " ... Vector re-scoring might be a good use-case, because raw vectors can be "cold".
    goankur 1.7 hours ago:  This is a small, hopefully non-controversial change. Can a Lucene committer please take a look and merge if there are no objections? Thanks in advance

#16145 PR: Delay and cap the prefetch backoff in MemorySegmentIndexInput
19 minutes ago  29 comments  0 votes  0 watches  github-actions[bot], goankur, iprithv, jimczi, michaeljmarshall, mikemccand, navneet1v, neoremind, uschindler
Description The power-of-two back off in MemorySegmentIndexInput.prefetch() assumes consecutive ... This assumption works well for files that are already warm, but is too aggressive when files are ... The proposed solution makes two primary changes: 1.
    michaeljmarshall 19.1 minutes ago:  Thanks for your review and benchmarking @goankur. I'll take a closer look at the implementation and make some adjustments.
    goankur 1.9 days ago:  @michaeljmarshall I tested the current head (4721c75) against main on two workloads. Summary: the PR fixes the mixed warm/cold case. But it slows hot term queries by up to 34%.

#16783 PR: Fix the all-cached early return in DirectoryTaxonomyReader#getBulkOrdinals
1.5 hours ago  0 comments  0 votes  0 watches  github-actions[bot], xande
Description I was exploring the code with Claude and found that DirectoryTaxonomyReadergetBulkOrd ... The condition for early return checks indexesMissingFromCache.length == 0, which is the capacity of ... Calls with fewer than two labels return before this point, so the capacity here is always at least ...

#16774: Change log for 10.5.2 release is giving 404 error
2.3 hours ago  7 comments  0 votes  0 watches  CH-Abhinav, Pulkitg64, mikemccand
The public Lucene releases page returns a 404 for the 10.5.2 changelog: https://lucene.apache.org/ ...
    Pulkitg64 2.3 hours ago:  Oh no, you are right! I got confused, there is no 10.5.3 and Release 10.5.2 is showing correct list of changes. But yes there should not be 10.5.3 on the page. :)
    CH-Abhinav 4.9 hours ago:  Why do we have 10.5.3 when we didn't even release it yet. What a doc 🙃

#16627 PR: Parallelize the repair process for disconnected nodes during HNSW merge-re-use
2.3 hours ago  54 comments  0 votes  0 watches  Pulkitg64, ethbak, github-actions[bot], msokolov
Overview Currently, when IncrementalHnswGraphMerger reuses an existing graph, InitializedHnswGra ... This logic runs inside ConcurrentHnswMerger.createBuilder. Which is called before HnswConcurrentMergeBuilder even exists, so the copy/repair/rebalance process ...
    ethbak 4 hours ago:  Good idea, I added this in the latest revision
    Pulkitg64 2.8 days ago:  What do you think about selecting random delete % under DELETE_PCT_THRESHOLD instead of using ...

#16776: upgrade spotless in branch_10x so that gradlew check works
2.7 hours ago  5 comments  0 votes  0 watches  dweiss, rmuir
Description followup to 16744 branch_10x check for the upper bound on java version was increased ... I am looking into it and have a prototype, just need to turn it into a PR. it is not just bumping ... I think its worth the trouble to make branch_10x easier on everyone.
    dweiss 2.7 hours ago:  I've pushed #16782 to improve the cryptic error message should it happen again in the future. Interestingly, gjf broke its own rules and added configurable max line length in this version.
    rmuir 2.8 hours ago:  I think it was my fault for not adequately testing when bumping the 26 to 27, since we have that ...

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