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#16249: Can we use DocValuesSkipper for range facets?
38.2 minutes ago  0 comments  0 votes  0 watches  slow-J
Description When I get some spare time, I am planning to take a look into using DocValuesSkipper ... As reference, it is already being used in HistogramCollector.java. Some extra background info I lifted about DocValuesSkipper: ` the histogram collector bulk-counts ...

#16263: Bias Towards Short Text Segments in Vector Search Results
4 hours ago  4 comments  0 votes  0 watches  amoll75, benwtrent
Description We have been using Solr's vector search successfully in production for about two ... During this time, we have observed a recurring issue: The highest-ranked results returned by ... The underlying reason appears to be that a short query or query concept has a much higher ...
    amoll75 4 hours ago:  I understand the concern about API complexity. What I had in mind was not necessarily a mechanism specific to passage length, but a more generic ... For example, the scaling information could simply be stored in one or more numeric (e.g. double) ...
    benwtrent 4.2 hours ago:  > Your suggestion of encoding length information directly into the vector magnitude and using MIPS ... The challenge is that it requires re-embedding or at least reprocessing the entire corpus and ... Your suggestion also requires this as Lucene would need to encode some information in the index, ...

#16086 PR: Allow merge integrity checks to be aborted sooner
4.4 hours ago  31 comments  0 votes  0 watches  github-actions[bot], mikemccand, rmuir, romseygeek, tlrx
This change introduces a merge AbortChecker that is threaded through MergeState into ... It is enabled via IndexWriterConfig.setMergeAbortCheckIntervalBytes, which indicates a number of ... Only stored fields are wired up but other files like postings and doc values could benefit from the ...
    tlrx 4.4 hours ago:  Thanks @mikemccand for the feedback. I opened #16264 to add additional merge abort checks before executing file integrity checksums (the ... Hopefully it's a less controversial change.
    mikemccand 4.1 days ago:  > Overall I think the simplest path is a checkIntegrity(OneMerge) overload that propagates the ... . +1, that's a delightfully simple solution

#16264 PR: Check if merge is aborted before executing file integrity checks
4.4 hours ago  0 comments  0 votes  0 watches  github-actions[bot], tlrx
This pull request adds OneMerge to the MergeState so that merge writers and consumers can check the ... This avoids kicking off costly full-file checksums on segments when the merge has already been ... Relates #16086

#15819 PR: Fix SpanOrQuery scores each document using the combined IDF of all causes
6.5 hours ago  5 comments  0 votes  0 watches  epotyom, gaobinlong, github-actions[bot]
Description Resolves https://github.com/apache/lucene/issues/13796. Fix SpanOrQuery scores each document not using only the IDF of the term that matched, but the ... With two docs (foo:bar, foo:baz) and a spanOr([foo:bar, foo:baz]) query, each doc should score the ...
    gaobinlong 6.5 hours ago:  Thanks! Changed that following your comments, please help to review again.
    epotyom 13.3 days ago:  Thanks for finding and fixing this - the overall approach looks right to me. One suggestion about the implementation below:

#16245 PR: Simple64
8.5 hours ago  2 comments  0 votes  0 watches  github-actions[bot], vsop-479
Description Simple64: pack multiple small non-negative integers into a single long. This change try to implement Simple64 to bulk encode/decode small ints, and use it to write terms' ...
    vsop-479 8.5 hours ago:  # suffix length: 1 ~ 8 integers Benchmark (blockSize) (maxSuffix) ...
    vsop-479 8.7 hours ago:  This change has passed the core tests. And I measured its performance: When suffix lengths are small (1~8), each value fits in a ... Simple64 is slower in this case (~1.6x disadvantage).

#12892: Remove all deprecated IndexSearcher#search(Query, Collector) usage / methods in the next major ...
8.7 hours ago  5 comments  0 votes  0 watches  github-project-automation[bot], gsmiller, javanna, msfroh, romseygeek, sgup432, zacharymorn
Description As a follow-up of https://github.com/apache/lucene/issues/11041, we would like to ... A list of the leftover usages follows:- [x] facet: FacetsCollector (ongoing discussion at #13725, ...
    gsmiller 1.8 years ago:  Note that we added a factory method in CollectorManager that might make these migration tasks a ... See CollectorManagerforSequentialExecution (and thanks to @romseygeek for the idea!). EDIT: After more consideration, this is probably too trappy for users and is likely getting removed ...
    msfroh 1.8 years ago:  Opened https://github.com/apache/lucene/pull/13747 for join/join.test.

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