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#16849 PR: Make BitSetIterator#docIDRunEnd linear
2.6 hours ago  0 comments  0 votes  0 watches  costin, github-actions[bot]
Since #16072, BitSetIteratordocIDRunEnd scans to the next clear bit on every call. This becomes a problem on long runs of bits which are rescanned on every window (e.g. DenseConjunctionBulkScore whenever the segment has deletions).

#14397 PR: cache preset dict for LZ4WithPresetDictDecompressor
4.8 hours ago  21 comments  0 votes  0 watches  github-actions[bot], github-project-automation[bot], jainankitk, kkewwei
Description As mentioned in 14347, we use LZ4WithPresetDictDecompressor to decompress, we will ... If two consecutive documents fall into the same chunk, we can reuse the same dictionary. This is a lossless optimization, the cached preset dict dictionary does not take up additional ...
    kkewwei 4.9 hours ago:  @jainankitk I’m very sorry that I didn’t follow up on this pr, please have a look in your spare ... I add the reuse percent benchmark with 1m documents, random fetch (100, 200, 1,000, 5,000, 10,000) ...
    github-actions[bot] 12 months 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!

#16803: TestDedupScalarQuantizedVectorsFormat.testAllEncodingsMergeAndSearch fails non reproducibly
6.4 hours ago  1 comments  0 votes  0 watches  spinscale, thecoop
Description I was unable to reproduce this one under Linux or osx, including increasing test ... . ` TestDedupScalarQuantizedVectorsFormat > testAllEncodingsMergeAndSearch FAILED ...
    thecoop 6.4 hours ago:  Example: https://jenkins.thetaphi.de/job/Lucene-10.x-macOS/6479/testReport/junit/org.apache.lucene.s ...

#16576 PR: Reduce IndexOrDocValuesQuery DV penalty from 8x to 6x
7.1 hours ago  8 comments  0 votes  0 watches  HoustonPutman, costin, github-actions[bot], javanna, utafrali
Revisit the threshold in IndexOrDocValuesQuery for picking points vs DV (especially now with ... With block-level skipping, DV is competitive with points for selective leads in conjunctions. Reducing to 6x lets the DV path be chosen in the crossover regime, yielding 1.78x throughput on ...
    HoustonPutman 7.1 hours ago:  Shouldn't the cost multiplier only be reduced if the docValues have the skipper?
    github-actions[bot] 20.9 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!

#16848 PR: Cleanup: Remove unused ArrayInPlaceMergeSorter class
7.2 hours ago  0 comments  0 votes  0 watches  github-actions[bot], spinscale
While ArrayTimSorter and ArrayIntroSorter are used, this one does not seem to be in use anymore.

#16757 PR: Speed up building cached bit sets in LRUQueryCache
7.4 hours ago  1 comments  0 votes  0 watches  github-actions[bot], kkewwei, sgup432
Description LRUQueryCache currently consumes DocIdStream through a temporary int[] buffer and ... For BitSetDocIdStream, this unnecessarily converts a bit set into doc IDs and then back into ... This change adds a package-private BitSetDocIdStreamorInto method that merges the remaining ...
    kkewwei 7.8 days ago:  @sgup432 Would you mind have a look in your spare time? Very thank you.

#16847 PR: Support more than 2^31 documents per index (long global doc ids)
8 hours ago  0 comments  0 votes  0 watches  github-actions[bot], jimczi
**Draft — opening this to show the approach and get early feedback, not as a finished change.** ... Today a doc is an int everywhere, so once the segments together pass ~2.1B docs there's nowhere to ... I wanted to see how far you get by widening only the whole-index doc id to long and leaving ...

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