Lucene: Status=Open

4.9 hours ago 23 comments 0 votes 0 watches ayagmar, github-actions[bot], github-advanced-security[bot], github-project-automation[bot], mikemccand, rmuir, stefanvodita, vigyasharma

Fixes 14496 # Summary This PR adds an automated backport workflow for merged pull requests. The implementation now: - uses a dedicated script file for planning: .github/workflows/backport.sh ... .

ayagmar 4.9 hours ago:	they're not, nice catch! I trimmed the resolver to Lucene’s branch conventions only: - branch_<major>x - branch_<major ...
ayagmar 4.9 hours ago:	In dry-run mode we do not take actions on the PR The backport job is skipped entirely when ... So dry-run is observability only to test the waters let's say before flipping the switch

#15799 PR: Exclude JNA Cleaner thread from ThreadLeak detection

8.5 hours ago 3 comments 0 votes 0 watches dweiss, github-actions[bot], romseygeek, sgup432

JNA Cleaner is a static per-JVM thread that may start up during the execution of a test if JNA is ...

romseygeek 1.2 days ago:

We don't use JNA in lucene as far as I can tell, but this can still affect anybody who has some ...

#15601 PR: BufferedChecksum JMH benchmark

19 hours ago 4 comments 0 votes 0 watches github-actions[bot], sgup432

Description Benchmarking BufferedChecksum with: - bulk update - small updates (1 byte at a ... -- If this is your first contribution to Lucene, please make sure you have reviewed the ... https://github.com/apache/lucene/blob/main/CONTRIBUTING.md -->

sgup432 1.2 months ago:	Comparing direct CRC32/32C vs our buffered custom CRC32/32C logic. Also compares single byte updates. Added more data size C7i.xlarge instance type ` Benchmark ...
sgup432 1.4 months ago:	Similarly ran against Apple M4 ` Benchmark ( ...

#15728 PR: GITHUB#15480 Make SortField.comparatorSource final

20.3 hours ago 2 comments 0 votes 0 watches SYEDMDSAAD, dweiss, github-actions[bot]

This change takes a small step toward making SortField immutable by making comparatorSource final ... No behavioral changes are introduced.

dweiss 1.4 days ago:	I don't understand the patch with respect to the issue description.
github-actions[bot] 1.8 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!

#15802 PR: Improvements to similarity-based vector search query

20.7 hours ago 1 comments 0 votes 0 watches github-actions[bot], kaivalnp

Description 12679 added a query to perform similarity-based vector searches: matching _all_ ... Change concurrency model from one-thread-per-slice to one-thread-per-segment - See #12160, ... Optimize filtered search by applying conjunction on docs that have vectors - Similar to a KNN ...

kaivalnp 20.7 hours ago:

knnPerfTest.py benchmarks (using https://github.com/mikemccand/luceneutil/pull/542) with Cohere v3, ...

#15800 PR: Optimize HNSW Multi-Vector Search via Document-Centric Short-Circuiting

23.1 hours ago 0 comments 0 votes 0 watches github-actions[bot], krickert

Problem With the recent introduction of LateInteractionField and the rise of multi-vector models ( ... Standard search treats these as $N$ unique targets, leading to significant CPU waste. If a document has thousands of chunks and one chunk is already securely in the Top-K, standard ...

#15801 PR: Add 4-arg map override to FilterFileChannel

23.4 hours ago 1 comments 0 votes 0 watches github-actions[bot], ldematte, mayya-sharipova

Java 22 added FileChannel.map(MapMode, long, long, Arena) which returns MemorySegment. The base FileChannel class provides a default implementation that throws UnsupportedOperationExcep ... Without this override, any wrapped FileChannel based on FilterFileChannel would fail when the 4 ...

mayya-sharipova 23.5 hours ago: