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#15984: TestBlockPostingsFormat2.testTTFBlockSize broken in branch_10x
23.3 hours ago  2 comments  0 votes  0 watches  msokolov, smalyshev
Description New failure in branch_10x: ` org.apache.lucene.backward_codecs.lucene50. ... Caused by: > org.apache.lucene.index.TermsHashPerField$DuplicateTermException: field ' ...
    msokolov 23.3 hours ago:  Thanks for reporting, @smalyshev, I'll take a look
    smalyshev 1.5 days ago:  Likely caused by ` commit 3a55cc9ac5e96e39a75e837e326085c5efdc894d (HEAD -> branch_10x, origin/ ...

#15985 PR: Fix(15831): Resolve race condition in ReferenceManager.doMaybeRefresh
1 day ago  0 comments  0 votes  0 watches  github-actions[bot], vijaykriishna
Description <!-- If this is your first contribution to Lucene, please make sure you have reviewed the ... https://github.com/apache/lucene/blob/main/CONTRIBUTING.md --> The key behavioral change is that ...

#15983 PR: Support jdk.CPUTimeSample event in ProfileResults for Java 25+ (JEP 509)
1.5 days ago  0 comments  0 votes  0 watches  github-actions[bot], iprithv
Description Java 25 added CPU-time profiling (JEP 509) which emits jdk.CPUTimeSample events. ProfileResults did not recognize this event type, causing empty profiling reports when the ... Resolves #15926

#15982 PR: Fix undercounting of RAM used by vectors buffered in in-memory segments
1.6 days ago  0 comments  0 votes  0 watches  github-actions[bot], iprithv
Description Vector RAM accounting in ramBytesUsed() had three bugs causing IndexWriter to ... Bugs Fixed Fixes 15901 **1. BufferingKnnVectorsWriter hardcoded Float.BYTES for all encodings** Byte vectors ( ...

#15978 PR: Fix HNSW InfoStream duplicate times and add per-chunk completion logging
1.6 days ago  11 comments  0 votes  0 watches  github-actions[bot], iprithv, mikemccand
# Description: Fixes 15967 The printGraphBuildStatus method in HnswGraphBuilder.addVectors() ... However, during concurrent HNSW merging, each worker processes chunks of 2048 vectors, and the ... This means the print fires **at most once per chunk**, always on the first matching node where t == ...
    iprithv 1.6 days ago:  Yes, individual chunks could well complete in sub-millisecond times. Updated both printGraphBuildStatus and the per chunk completion message to use %.2f with nanoTime / ... Thanks!
    iprithv 1.6 days ago:  Sure! Added a shared AtomicLong cumulativeWorkTimeNS that each chunk increments with its elapsed time. At the end of HnswConcurrentMergeBuilder.build(), after all workers finish, it logs: merge ...

#15981: Improve clause ordering for multi-field DocValues range conjunctions
1.7 days ago  1 comments  0 votes  0 watches  romseygeek, sgup432
Description After 15954, SortedNumericDocValuesRangeQuery uses SkipBlockRangeIterator as its ... I see that SkipBlockRangeIterator.cost() currently returns NO_MORE_DOCS, which means when multiple ... I wonder if we should have a better way to do this.
    sgup432 1.7 days ago:  @romseygeek Can you take a look and provide your suggestions if this makes sense?

#15979 PR: Add a de-duplicating flat vector format
1.8 days ago  6 comments  0 votes  0 watches  github-actions[bot], kaivalnp, msokolov
Description Closes 14758 Add a new de-duplicating vector format that only stores unique ... De-duplication is done for vectors across all docs and fields indexed by the format. Disclaimer: This was mostly written by an AI, with me refining the implementation through prompts - ...
    msokolov 1.8 days ago:  How do you think this would combine with all the other vector formats, such as the quantizing ones? ... I guess we would want to avoid a lot of code copying ... I guess it should be possible to somehow wrap an existing format so we can independently innovate ...
    msokolov 1.9 days ago:  It seems like we pay a small penalty for doing the indirected lookup. I wonder if we could save this in the case of the "main" field and only pay it for secondary fields ... Oh actually I misread the table!

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