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#16039 PR: Upgrade to Gradle 9.5.0 (corrected)
1.4 hours ago  0 comments  0 votes  0 watches  dweiss, github-actions[bot]

#16000 PR: Clarify intent of Accountable#ramBytesUsed
6.2 hours ago  7 comments  0 votes  0 watches  benwtrent, github-actions[bot], jainankitk, javanna, mikemccand
The memory tracking is meant for heap memory and not off-heap.
    javanna 6.2 hours ago:  Thanks for the feedback so far! I plan on merging this soon if there's no objections.
    javanna 5.3 days ago:  > Do we have other examples where something is moved off-heap? One that comes to mind is KnnVectorsReader , which does not implement Accountable but has a ... That seems like a conscious choice.

#15608 PR: Remove getCollectors() from TopFieldCollectorManager
6.3 hours ago  8 comments  0 votes  0 watches  github-actions[bot], javanna, prudhvigodithi
Description Resolves https://github.com/apache/lucene/issues/15605. TopFieldCollectorManager had an internal ArrayList tracking collectors via getCollectors(), which ... This shared mutable state was the source of the reported thread-safety concern.
    javanna 6.3 hours ago:  Small comment on the changes entry, looks good otherwise. This will need a deprecation PR for the 10x branch
    javanna 6.3 hours ago:  can you move this to the end of the list? We normally append new changes to existing sections. Thanks!

#16027 PR: Add base class and infrastructure support for JUnit5/Jupiter
8.2 hours ago  1 comments  0 votes  0 watches  dweiss, github-actions[bot]
This patch adds a new class LuceneTestCaseJupiter, which can be used as a direct replacement for ... The test-framework module exports both junit4 and junit5/jupiter dependencies. LuceneTestCase remains the parent abstract class for JUnit4 tests.
    dweiss 3.8 days ago:  Relate: #13523

#15952 PR: Add afterMerge() lifecycle hook to KnnVectorsWriter and PerFieldKnnVe…
13.7 hours ago  17 comments  0 votes  0 watches  MrFlap, benwtrent, github-actions[bot], navneet1v, shatejas
Resolves https://github.com/apache/lucene/issues/15935 Problem PerFieldKnnVectorsFormat ... This makes it impossible to cleanly release per-merge resources, leading to resource leaks. Solution Add a protected void afterMerge() throws IOException method with a no-op default to both ...
    github-actions[bot] 13.7 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!
    MrFlap 14.7 days ago:  Our desired functionality is to have a set number N threads per merge. This way we won't have resource contention between merges. So if one field needs 50 singular merge operations, we should see 50 * N threads spawning.

#16031 PR: Implement Accountable and expose Levenshtein automata RAM cost in FuzzyQuery
21.5 hours ago  9 comments  0 votes  0 watches  drempapis, github-actions[bot], rmuir
The need AutomatonQuery and its subclasses (RegexpQuery, WildcardQuery, PrefixQuery, ... Because AutomatonQuery implements Accountable, callers can perform request-scoped memory accounting ... The FuzzyQuery constructs the Levenshtein automata lazily inside FuzzyTermsEnum, storing them on ...
    drempapis 21.5 hours ago:  > I don't think these are good realistic test strings. It will inflate the numbers due to huge alphabet size. How many words have 20+ unique letters in them?
    rmuir 23.2 hours ago:  > On a busy server you have many fuzzy queries running at the same time, and long terms (names, ... A few MB per query, times many concurrent searches, adds up. I don't buy that there is a single real actual use-case of someone using fuzzy query with massive ...

#16034 PR: DiversifyingChildren speedup - siblings expansion
23.3 hours ago  6 comments  0 votes  0 watches  alessandrobenedetti, aruggero, benwtrent, github-actions[bot]
# Sibling Expansion for DiversifyingChildrenKnnQuery HNSW Search Summary This contribution ... When the HNSW graph searcher encounters a child node belonging to a newly discovered parent, all ... This improves recall for nested document use cases where multiple child vectors share a parent, as ...
    benwtrent 23.3 hours ago:  @aruggero thank you for the first pass here! Hmmm, it is frustrating that bulk scoring the children doesn't help much. I guess it makes sense as we are forcing more scoring per node.
    benwtrent 23.5 hours ago:  Let's reuse scratch space (it won't add much, but we definitely shouldn't be creating a new int[] ... I would adjust siblings = expander.pendingSiblingOrdinals(node, visited, siblings); to allow ...

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