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#15558 PR: Refactor QueryCache to improve performance

1.7 hours ago 20 comments 0 votes 0 watches BaurzhanSakhariev, benwtrent, github-actions[bot], mergify[bot], msfroh, sgup432

Description Related issue - https://github.com/apache/lucene/issues/14222 Major changes: ... With each partition having its own read/write lock to improve concurrency.

msfroh 1.7 hours ago:	IMO, this change is pretty good as implemented. While I'm slightly nervous about the implications of modifying the query cache implementation, I ... For those of us who do want a query cache, I think this one should perform much better in ...
github-actions[bot] 1.7 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!

#15951 PR: Fix WindowsFS onClose race condition

2.1 hours ago 6 comments 0 votes 0 watches github-actions[bot], rmuir, szybia

- If i create an InputStream on a target file, and then close it, if i concurrently (before onClose ... = null) { logger.info("Race reproduced: ", e); } } ` ` [2026-04- ...

szybia 2.1 hours ago:	thank you! i don't have write access so leaving up to you to merge 🚀
rmuir 2.2 hours ago:	10.5 is good, i'll backport it. I don't know if there will be a 10.4.1, but if someone wants to make one we could then cherry-pick ...

#15950 PR: Add JMH benchmark comparing various sort algorithms specifically for sorting ScoreDoc[] of varying ...

4 hours ago 0 comments 0 votes 0 watches gsmiller, mikemccand, zihanx

[Spinoff from @zihanx's recent PR (15803) adding ReaderUtil.partitionByLeaf helper to collate any ... TL;DR: see this cool benchmark results UI testing various algorithms to sort ScoreDoc[] (smaller is ... The hits from a Lucene query (ScoreDoc[]) come out sorted by something important to the user (e.g. ...

#15938 PR: Use binary search partitioning in ReaderUtil#partitionByLeaf

4.6 hours ago 6 comments 0 votes 0 watches github-actions[bot], gsmiller, jainankitk, mikemccand

Description This change modifies the "partition" step of ReaderUtilpartitionByLeaf to leverage ... . * Current Implementation: Iterates a sorted list of docIDs, checking each against leaf/segment ...

mikemccand 4.6 hours ago:	I love it -- it's also a nice code simplification since we no longer need the additional / ... Thanks @gsmiller. I also made a fun little JMH benchmark with CC (Claude Code) ... will try to open PR soon.
mikemccand 4.6 hours ago:	Maybe assert count > 0 since we think we're always handling/optimizing the empty case above?

#15949 PR: Use junit5 engine vintage runner to run junit4 tests

7.2 hours ago 1 comments 0 votes 0 watches dweiss, github-actions[bot], rmuir

This is a dodge-the-problem workaround for gradle/gradle36508 which switches test execution to ... This is also the first step to eventually upgrade to junit jupiter... Not that it's a dramatic change to any existing tests but features of jupiter are quite nice.

#15948 PR: Improve BayesianScoreQuery and LogOddsFusionQuery with base rate prior, weighted Log-OP, and ...

14 hours ago 0 comments 0 votes 0 watches 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.

#15947 PR: Optimize GroupFacetCollector.getFacetEntries()

15.9 hours ago 0 comments 0 votes 0 watches gaobinlong, github-actions[bot]

Description The method GroupFacetCollector.getFacetEntries() can be optimized by: 1) Initial ...

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2,556 issues

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