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#15605: TopFieldCollectorManager is not thread-safe despite claiming "thread-safe internal states"
50.6 minutes ago  6 comments  0 votes  0 watches  benwtrent, gun-pi, prudhvigodithi
Description TopFieldCollectorManager class documentation states that it creates an instance "with ... Collectors field is ArrayList, and it is modified in newCollector() without any synchronisation. So I get ArrayOfBoundException for Collectors field when I call newCollector() concurrently.
    gun-pi 51.9 minutes ago:  > Initially I was looking the same but found this comment https://github.com/apache/lucene/pull/240 ... Hmmm, as I understand, Lucene users can collect collectors themselves and implement early ... That's because they can use TopFieldCollectorManager in multithread environment (like in my case). ...
    prudhvigodithi 11.9 hours ago:  > Could you tell me what getCollectors method was originally added for? Maybe collectors collecting isn't necessary and this method can be removed? Initially I was looking the same but found this comment https://github.com/apache/lucene/pull/240/ ...

#12354 PR: Fix docFreq in score calculation after rewrite of boolean query consisting of blended query and ...
7.1 hours ago  16 comments  0 votes  0 watches  github-actions[bot], mikemccand, rafalh, stefanvodita
Description When there is a boolean query consisting of a fuzzy query and a boosted term query ... BlendedTermQuery is replaced by a series of boosted term queries with a non-null termStates that ... Because TermQuery::equals implementation was not taking into account termStates, both the generated ...
    stefanvodita 14.3 hours ago:  Thank you for addressing the comments @rafalh, it's always nice to see an old PR come back to life. Sorry from my side for taking so long to review. I'd missed your update.
    github-actions[bot] 1.7 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!

#15553 PR: Fix mergedbytevectorvalues lastord
7.2 hours ago  9 comments  0 votes  0 watches  0ctopus13prime, finnroblin, github-actions[bot], kaivalnp, mikemccand, navneet1v, vigyasharma
Description Fixes MergedByteVectorValues behavior as described in 14992. Currently in MergedByteVectorValues::nextDoc() the lastOrd value is not incremented when the ... If nextDoc is called several times and a vector is loaded then the bad state of lastOrd causes an ...
    kaivalnp 12.2 hours ago:  LGTM, thanks! This bug only affects users doing something specific during merging that skips a vector? But it's nice to fix nevertheless..
    kaivalnp 12.4 hours ago:  Should we include an equivalent test for the float vector values? (making the class more generic like TestMergedVectorValues)

#15557 PR: Introduce AllGroupsCollectorManager
7.2 hours ago  2 comments  0 votes  0 watches  gaobinlong, github-actions[bot], javanna
Description AllGroupsCollector in grouping package did not have until now a corresponding ... Relates to https://github.com/apache/lucene/issues/12892.
    github-actions[bot] 7.2 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!
    gaobinlong 15.2 days ago:  @javanna, could you help to review this PR, thanks!

#15607 PR: Bulk score hnsw diversity check
10.5 hours ago  0 comments  0 votes  0 watches  benwtrent, github-actions[bot]
This adds bulk scoring to diversity check. While this means that diversity check cannot exit super early (e.g. if it only needs to check 2 ... This tells me that typically, it isn't just one doc that is checked.

#15606: Use bulk scoring more places for HNSW graphs
11.7 hours ago  0 comments  0 votes  0 watches  benwtrent
Description While we have added bulk scoring, which can provide a substantial performance boost, ... I happened to notice its missing from filter search & higher level searches (fixed for 10.4), but ... Looking at the code, there are various places where I still see RandomVectorScorer.score that might ...

#15585 PR: Added shared prefetch counter
16.5 hours ago  21 comments  0 votes  0 watches  epotyom, github-actions[bot], mikemccand, msokolov, shubhamsrkdev
Problem Across clone and slices of MemorySegmentIndexInput the consecutivePrefetchHitCount was ... Solution Added a shared prefetch counter, through reference - this should maintain count through ... Fixes 15571 The benchmarks are looking good : python src/python/localrun.py -source ...
    shubhamsrkdev 16.5 hours ago:  Good catch! I can change this to getAndIncrement()
    shubhamsrkdev 16.5 hours ago:  >Is this creating one AtomicInteger per actually originally opened files? And then each clone shares that same original AtomicInteger? Yes!

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