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#16000 PR: Clarify intent of Accountable#ramBytesUsed
1.9 minutes ago  1 comments  0 votes  0 watches  github-actions[bot], javanna
The memory tracking is meant for heap memory and not off-heap.
    javanna 1.9 minutes ago:  If we agree on this, a possible follow-up or alternative change is to rename the method, but such ... On the other hand this class is marked internal.

#15981: Improve clause ordering for multi-field DocValues range conjunctions
2.2 hours ago  2 comments  0 votes  0 watches  romseygeek, sgup432
Description After 15954, SortedNumericDocValuesRangeQuery uses SkipBlockRangeIterator as its ... I see that SkipBlockRangeIterator.cost() currently returns NO_MORE_DOCS, which means when multiple ... I wonder if we should have a better way to do this.
    romseygeek 2.2 hours ago:  I like the idea of estimating how many blocks we can exclude, but we'd need to benchmark it ... Maybe we could only walk the highest level entries? Less accurate, but should be fairly constant time and it will naturally readjust as segments get ...
    sgup432 5.7 days ago:  @romseygeek Can you take a look and provide your suggestions if this makes sense?

#14758: Support multiple HNSW graphs backed by the same vectors
5.7 hours ago  40 comments  0 votes  0 watches  benwtrent, dungba88, github-project-automation[bot], iverase, jpountz, kaivalnp, mccullocht, mikecan, mikemccand, msokolov, navneet1v, shubhamvishu
Description For use-cases of searching different subsets of vectors in the index, where a ... This could be done today by: 1. Indexing all vectors in a single field and using query-time pre-filtering, but it can become ...
    kaivalnp 5.7 hours ago:  > I guess it's the question of how much added indexing cost I was able to get it down to something ...
    mikemccand 2.7 days ago:  Thank you for the "you are here" summary comment above @kaivalnp! It helps me set all these proposals in a broader context.

#15979 PR: Add a de-duplicating flat vector format
6.1 hours ago  8 comments  0 votes  0 watches  github-actions[bot], kaivalnp, msokolov
Description Closes 14758 Add a new de-duplicating vector format that only stores unique ... De-duplication is done for vectors across all docs and fields indexed by the format. Disclaimer: This was mostly written by an AI, with me refining the implementation through prompts - ...
    kaivalnp 6.1 hours ago:  Iterated with the AI to iron out some performance bottlenecks. **Disclaimer**: There's generous use of AI involved in the code, so functions may be more verbose ... I have reviewed **most** of it locally, and will do a refactor to try and make it cleaner / more ...
    kaivalnp 5.7 days ago:  > looks as if the deduplicated vectors PR is actually a bit faster?! Yeah, this was surprising to me too -- it is \~10% faster, though I'm not sure why (there's one ... .

#15948 PR: Improve BayesianScoreQuery and LogOddsFusionQuery with base rate prior, weighted Log-OP, and ...
7.5 hours ago  4 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.
    jaepil 7.5 hours ago:  Great questions — let me take them in reverse order, since the lifecycle question (3) is the most ... **On lifecycle (3):** The estimated parameters are corpus-level statistics. α and β are derived ... None of them depend on the user query, so the natural lifecycle is **per-IndexReader (per-commit)** ...
    benwtrent 6.8 days ago:  So, I see these params are then used within BayesianScoreQuery I wonder, could we have a ... Or we adjust the interface so that BayesianScoreQuery accepts an estimator in its constructor OR ... Is the main concern that the estimation should only ever happen once per the life time of the index ...

#15892 PR: Change access modifier for readAdvise in MMapDirectory
9.6 hours ago  4 comments  0 votes  0 watches  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] 9.6 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!
    navneet1v 15.4 days ago:  @vigyasharma , @benwtrent , @jainankitk can anyone of you take a look at this PR?

#15997 PR: Fix JFR profile summary skip check
9.8 hours ago  1 comments  0 votes  0 watches  github-actions[bot], iprithv, rmuir
Description fixes https://github.com/apache/lucene/pull/15983issuecomment-4345868221 ... This can be false for skipped/up-to-date/not-selected tasks even when nothing failed, causing the ... Used Test.getState().getFailure() == null instead so the profile summary is skipped only when a ...
    iprithv 16.6 hours ago:  don't have permissions to add skip-changelog, please someone help adding. Thanks!

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