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#16890 PR: Avoid O(n²) field lookups in PerFieldMergeState.FilterFieldsProducer
27.8 minutes ago  0 comments  0 votes  0 watches  github-actions[bot], torstenkuhnhenne
FilterFieldsProducer#terms(String) checked whether the requested field belongs to the filtered set ... Since the terms writer calls terms(field) once per field of a postings format group, every merge ... On indexes with many (e.g. dynamic) fields this check dominated merge CPU time.

#16832 PR: Reuse address upper when scanning sparse sorted numeric and dense binary doc values
2.9 hours ago  6 comments  0 votes  0 watches  github-actions[bot], kkewwei, romseygeek, sgup432
Description Sparse sorted numeric values reuse the previous end offset as the next start offset ... . <!
    kkewwei 2.8 days ago:  Thank you for the review. Yes, that's correct: the test also passes without my changes. I added it only to verify that the code still behaves correctly after the change.
    romseygeek 2.9 days ago:  Does this test fail if your changes aren't made? If I'm reading it correctly you're loading data more efficiently but there isn't any change in ... So I don't think the test really adds anything.

#16542 PR: GITHUB#15239: Honor exhaustive ScoreMode in BatchScoreBulkScorer
6.4 hours ago  38 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
    github-actions[bot] 6.4 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!
    NextbrickInc 15.4 days ago:  @jimczi i resolved conflicts. please merge code . thanks alot.

#16643 PR: Close the reader pool before deleting files on rollback
6.4 hours ago  3 comments  0 votes  0 watches  LuXugang, github-actions[bot], manduinca
Description rollbackInternalNoCommit asks the deleter to remove unreferenced files while the ... On a directory that checks for this the rollback fails outright: ` java.io.IOException: ... That second part turns out to be a lookup answering with an exception where it could answer with ...
    manduinca 2.3 days ago:  @LuXugang could you take a look when you get a chance? It fixes 16625, which you reported: rollback now closes the reader pool before deleting the ...
    github-actions[bot] 6.3 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!

#16723 PR: Support SIMD Faiss library variants with runtime fallback (#15287)
6.4 hours ago  27 comments  0 votes  0 watches  CH-Abhinav, github-actions[bot], kaivalnp, mikemccand
Description Addresses enhancement proposal 1 from 15287: allow Faiss codec to use SIMD ... Previously, FaissLibrary.java and FaissNativeWrapper.java hardcoded System.loadLibrary("faiss_c"). In Conda/PyTorch, libfaiss_c.so dynamically links against the generic, non-vectorized libfaiss.so ...
    github-actions[bot] 6.4 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!
    CH-Abhinav 15.6 days ago:  I add changes.txt to 11.0 . If you guys have any other suggestions please say it :) (idk about temp folder though ) I don't ...

#16889 PR: ConcurrentMergeScheduler can spawn more merge threads than maxMergeCount
6.8 hours ago  0 comments  0 votes  0 watches  github-actions[bot], goingforstudying-ctrl
DescriptionI was looking at #13593 and the race aoli-al described is still there in main: ... So a merge can become pending right between the stall check and getNextMerge(), and merge() happily ... This makes the cap airtight in two spots: - A merge thread asked to schedule more work while we're ...

#16446 PR: MultiFieldQueryParser: default operator is not honored between term positions (#16443)
7.6 hours ago  40 comments  0 votes  0 watches  Copilot, HoustonPutman, OlivierJaquemet, copilot-pull-request-reviewer[bot], epotyom, github-actions[bot], mkhludnev, msokolov
Fixes 16443 **Problem:** MultiFieldQueryParser's javadoc promises that under AND_OPERATOR, "all ... This only holds when each term reaches the parser as a separate grammar-level token (real ... It doesn't hold when several terms are produced by the *analyzer alone* from a single piece of ...
    HoustonPutman 7.6 hours ago:  Hey @OlivierJaquemet , I think @msokolov will be back at the end of the week, and if he wants to ...
    OlivierJaquemet 7.5 days ago:  Hi @HoustonPutman, I saw on the dev mailing list that you're working on the 10.6 release. Would you be open to including this MR in it? P.S.

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