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#16030 PR: Implement data-blind scalar quantization
1.2 hours ago  6 comments  0 votes  0 watches  github-actions[bot], kaivalnp, mccullocht, mikemccand, romseygeek
Add an option to the quantization format to enable or disable centering (enabled by default). When centering is disabled we also stop writing the float vectors which can lead to significant ... Special handling is included during merges -- we check that all of the input is in the same ...
    github-actions[bot] 1.2 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!
    mccullocht 14.5 days ago:  I'll try to revive this over the next week or two. > This should work well when incoming vectors are isotropic (all dimensions behave the same i.e ...

#16092 PR: Add hadamard rotation to vector fields
1.2 hours ago  82 comments  0 votes  0 watches  benwtrent, github-actions[bot], kaivalnp, mccullocht, mikemccand, shubhamvishu, xande
Description I worked with CC(Claude Code; did a great job in all phases from initial impl to ... This address the 2nd item Implement random rotation of vectors and queries. from Data-blind scalar ... I'm opening this to gather community feedback, as it shows promising recall improvements.
    github-actions[bot] 1.2 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!
    mikemccand 1 month ago:  Note: luceneutil PR is merged, so benchmarks can precondition vectors (a way to pre-test before ... @shubhamvishu is there a separate issue open to switch to data-blind quantization? I.e. we don't need to scan the incoming vectors to compute their distributions.

#16357 PR: Add shared-floor kNN collection to the sandbox module
1.2 hours ago  5 comments  0 votes  0 watches  benwtrent, github-actions[bot], krickert, vigyasharma
Sandbox: shared-floor kNN collection for multi-shard search # The problem Distributed HNSW ... The goal of this PR is to open up the ability to test ways to bring this number down which should ... Although initial measurements suggest around a 30% reduction, testing is underway to produce a more ...
    github-actions[bot] 2.2 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!
    krickert 20 days ago:  I'm testing this feature it works. Awaiting for someone to review

#16433 PR: feat: Add Executor support to Monitor for concurrent search (issue #16198)
1.2 hours ago  2 comments  0 votes  0 watches  cyforkk, github-actions[bot], javanna
# Summary This PR adds support for passing an Executor to the Monitor for inter-segment ...
    github-actions[bot] 1.2 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!
    javanna 15.5 days ago:  Hi, thanks for posting this. I had tried the same approach prior to opening the related issue. But like I wrote in the issue: > There may be value in parallelizing execution, but besides ...

#16442 PR: Fix addMultiTermClauses: preserve per-field SHOULD when a clause isn't a bare TermQuery (#16441)
1.2 hours ago  2 comments  0 votes  0 watches  OlivierJaquemet, github-actions[bot]
Fixes 16441 **Problem:** QueryParserBaseaddMultiTermClauses decides whether to pass a nested ... This check is too narrow: a BoostQuery-wrapped term (or any other non-TermQuery leaf — PrefixQuery, ... Example: with a per-field boost configured and AND_OPERATOR, MultiFieldQueryParser.parse( ...
    OlivierJaquemet 1.5 days ago:  Still waiting for review by maintainers.
    github-actions[bot] 12.2 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!

#16446 PR: MultiFieldQueryParser: default operator is not honored between term positions (#16443)
1.2 hours ago  3 comments  0 votes  0 watches  OlivierJaquemet, epotyom, github-actions[bot]
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 ...
    epotyom 18 hours ago:  The fix makes sense to me (disclaimer: I'm not a maintainer, so you'd need someone else to merge ... MultiTerm in QueryParser.jj could call addClause like the single-term path does, and ...
    OlivierJaquemet 1.5 days ago:  Still waiting for review by maintainers

#16573: incorrect results from SortedNumericDocValuesRangeQuery when using double/float based points+ ...
4.5 hours ago  0 comments  0 votes  0 watches  hossman
Description When attempting to upgrade Solr from Lucene 10.4.0 -> 10.5.1 the Solr tests ... . * Identical Solr tests using multivalued fields still pass

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