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#15118 PR: LUCENE-14611: Fix TestTermInSetQuery.testDuel OOM by reducing large r…

3.7 hours ago 4 comments 0 votes 0 watches Narendra9793, dweiss, github-actions[bot]

This PR addresses the issue where TestTermInSetQuery.testDuel occasionally ran into OutOfMemoryError ... . 🔧 Changes Made: Updated testDuel to limit the size of randomly generated terms and queries. ...

dweiss 3.7 hours ago:	I'd like to see the reason why this test OOMs first - what's causing the memory blowout? Limiting the ranges doesn't seem like a good fix for the underlying problem - you also increase the ...
dweiss 3.8 hours ago:	I'd reuse RandomizedTest.randomIntBetween(...) instead of this code.

#15120 PR: Add estimatedByteSizes to merges kicked off by IndexWriter.addIndexes(CodecReader[])

8.7 hours ago 1 comments 0 votes 0 watches cwperks, github-actions[bot]

Description This PR abstracts the logic to add estimatedByteSizes on merges to a method called ... This PR adds a simple test to ensure that estimated bytes are added to the merge after ... /gradlew :lucene:core:test --tests TestIndexWriterMerging.testAddEstimatedBytesToMerge -i ...

github-actions[bot] 10.7 hours ago:

This PR does not have an entry in lucene/CHANGES.txt. Consider adding one. If the PR doesn't need a changelog entry, then add the skip-changelog label to it and you will stop ...

#14996 PR: Make BitSet no longer implement Bits.

10.4 hours ago 12 comments 0 votes 0 watches benwtrent, github-actions[bot], jpountz, msokolov

Lucene has call sites of Bits#get that are more polymorphic than they should because they sometimes ... This makes some call sites bimorphic when they could be monomorphic, of polymorphic when they could ... Given how polymorphism affects performance, I would like to fix this performance trap.

github-actions[bot] 6.4 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!
benwtrent 20.8 days ago:	Within the HNSW format, we do this: ` if (acceptDocs instanceof BitSet bitSet) { // Use ... So, I am not sure we can make this change without progressing: https://github.com/apache/lucene/ ...

#15116 PR: Rewrite of the GroupVInt optimization without lambdas, varhandles and no code in subclasses

11.4 hours ago 47 comments 0 votes 0 watches easyice, github-actions[bot], jpountz, rmuir, uschindler

Hi, this is a rewrite of the GroupVInt optimization. The results are great for MMapDirectory (more than twice as fast than the baseline implementation. The code has no risk of varhandles or lambda optimization and no callsite pollution issue, because ...

uschindler 11.4 hours ago:	> > Can this method be made private now? It is only used by readGroupVInts. maybe the JavaDoc for this method should be updated as well.
uschindler 11.5 hours ago:	I changed the code, but left the constant for now. The constant is still needed for writing when we refactor the code to guess the maximum scratch ...

#15119: Deadlock between IndexWriter, IndexWriterConfig, ConcurrentMergeScheduler

12.2 hours ago 0 comments 0 votes 0 watches drabe8

Description Similar to https://github.com/apache/lucene/issues/12419 In our use case, we create ... (We use a ByteBuffersDirectory to create discrete indexes for a small subset of the data that a ... We see one thread constructing an IndexWriterConfig, waiting for the IndexWriter Class Init monitor ...

#15045 PR: Use FixedBitSet#cardinality for counting liveDocs in CheckIndex

14.4 hours ago 4 comments 0 votes 0 watches easyice, github-actions[bot], jpountz

This uses FixedBitSet#cardinality to speed up counting liveDocs in CheckIndex and some assert ...

jpountz 14.4 hours ago:	Thanks for explaining. I'm not not too fond of the approach, it looks like you'd really want to add int Bitscardinality(), ... But it looks a bit odd to me.
easyice 13.1 days ago:	Thanks for the review Adrien, sorry for not making it clear, this change also use instanceof ... I had considered another approach: placing the new cardinality method in Bits, similar to applyMask ...

#15117: Implement asBulkSimScorer() on FeatureField's SimScorers

1.7 days ago 1 comments 0 votes 0 watches jpountz

Description Given the upside we've seen of implementing asBulkSimScorer on BM25SimScorer, we ...

jpountz 1.7 days ago:

If you'd like to work on it, don't ask that this issue be assigned to you, just open a PR and link ...

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