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#16074 PR: Ban presized collection#toArray
59 seconds ago  0 comments  0 votes  0 watches  github-actions[bot], vsop-479
Description <!-- If this is your first contribution to Lucene, please make sure you have reviewed the ... https://github.com/apache/lucene/blob/main/CONTRIBUTING.md -->

#14477 PR: Use Arrays#mismatch in FSTEnum#rewindPrefix.
1.2 hours ago  5 comments  0 votes  0 watches  Copilot, copilot-pull-request-reviewer[bot], github-actions[bot], github-project-automation[bot], mikemccand, vsop-479
Description <!-- If this is your first contribution to Lucene, please make sure you have reviewed the ... https://github.com/apache/lucene/blob/main/CONTRIBUTING.md -->
    copilot-pull-request-reviewer[bot] 1.2 hours ago:  # Pull request overview This PR optimizes FST enumeration prefix rewinding by using ... **Changes:** - Adds getMismatch(int uptoLimit) to FSTEnum. - Implements mismatch-based prefix ... Reviewed changes Copilot reviewed 3 out of 3 changed files in this pull request and generated no ...
    github-actions[bot] 3.8 months 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!

#15892 PR: Change access modifier for readAdvise in MMapDirectory
2.7 hours ago  6 comments  0 votes  0 watches  ChrisHegarty, benwtrent, github-actions[bot], jainankitk, navneet1v, vigyasharma
Description Change access modifier for readAdvise in MMapDirectory. Made the access modifier protected so that classes which overrides MMapDirectory can use the ... I considered adding a getter for this parameter too, but went against it since the return type is ...
    github-actions[bot] 2.7 hours 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!
    ChrisHegarty 15.6 days ago:  Can you please explain a little more why would want to make this change? (what use case you’re trying to solve)

#15948 PR: Improve BayesianScoreQuery and LogOddsFusionQuery with base rate prior, weighted Log-OP, and ...
2.7 hours ago  22 comments  0 votes  0 watches  benwtrent, github-actions[bot], jaepil
# Summary Follow-up to 15827. This PR extends BayesianScoreQuery and LogOddsFusionQuery with three improvements: - ** ... Sample N documents randomly from the index (Fisher-Yates partial shuffle) 2.
    benwtrent 13.6 hours ago:  Awesome, thank you for the clarification. The idea seems to be there is a 'training and then cache' phase for an index. I wonder what the best behavior would be if a corpus evolves and grows.
    benwtrent 13.6 hours ago:  I agree, reservoir sampling is the thing to do. That will prevent us from the bias of only considering early tokens in docs.

#15905: ReaderUtil.partitionByLeaf API design: ordinal tracking for scatter/gather pattern
4.9 hours ago  5 comments  0 votes  0 watches  gsmiller, mikemccand, zihanx
# Description: Following up on the recently merged ReaderUtil.partitionByLeaf API (https:// ... The doc-values retriever would: - Take an IndexReader, int[] globalDocIds, and DoubleValuesSource[ ... We need ordinal tracking. # Design options: 1.
    zihanx 4.9 hours ago:  Sorry for the long delay circling back to this. And thanks again @gsmiller for the detailed feedback! - On ScoreDoc[] vs int[] I agree that the four-method explosion is the thing to avoid, and it ...
    gsmiller 1.4 months ago:  With-respect-to ScoreDoc[] vs. int[], I agree with what you're saying about Option 1 vs. Option 3. Ultimately, I'm slightly concerned we're going to end up with four methods proposed by the end of ...

#16065 PR: FaissKnnVectorsFormat COSINE similarity support
8.2 hours ago  5 comments  0 votes  0 watches  github-actions[bot], iprithv, kaivalnp, msfroh
implemented https://github.com/apache/lucene/issues/16064 read this to implement, which was ... https://github.com/facebookresearch/faiss/wiki/FAQ#how-can-i-index-vectors-for-cosine-distance
    kaivalnp 8.2 hours ago:  LGTM on first glance, thanks! Curious if you were able to run knnPerfTest to compare against native Lucene KNN? Also: re-normalizing every document and query vector sounds expensive?
    kaivalnp 8.5 hours ago:  This function reads the metric type from the index as the ground truth -- I wonder if there's a ... I guess it's tricky now because one metric can map to two similarity functions.. Anyways, this doesn't seem like a blocker to me based on actual usage (i.e. the one in FieldInfos ...

#16073 PR: Simplify SortedDocIDMerger.next()
8.6 hours ago  0 comments  0 votes  0 watches  Tim-Brooks, github-actions[bot]
The else if (queue.size() > 0) guard is always true when reached: an empty queue sets ... Replace with else and add a comment explaining why the queue is never empty at that point.

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