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https://issues.apache.org/jira/browse/LUCENE-9625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17517495#comment-17517495
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Michael Sokolov commented on LUCENE-9625:
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So, clearly it's not finding KnnGraphTester. Probably it needs to go in the
proper folder structure (org/apache/lucene/util/KnnGraphTester.class) relative
to the classpath root. TBH I don't remember the way files are set up in this
ann-benchmarks environment, but I hope that helps you figure it out!
> Benchmark KNN search with ann-benchmarks
> ----------------------------------------
>
> Key: LUCENE-9625
> URL: https://issues.apache.org/jira/browse/LUCENE-9625
> Project: Lucene - Core
> Issue Type: New Feature
> Reporter: Michael Sokolov
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> In addition to benchmarking with luceneutil, it would be good to be able to
> make use of ann-benchmarks, which is publishing results from many approximate
> knn algorithms, including the hnsw implementation from its authors. We don't
> expect to challenge the performance of these native code libraries, however
> it would be good to know just how far off we are.
> I started looking into this and posted a fork of ann-benchmarks that uses
> KnnGraphTester class to run these:
> https://github.com/msokolov/ann-benchmarks. It's still a WIP; you have to
> manually copy jars and the KnnGraphTester.class to the test host machine
> rather than downloading from a distribution. KnnGraphTester needs some
> modifications in order to support this process - this issue is mostly about
> that.
> One thing I noticed is that some of the index builds with higher fanout
> (efConstruction) settings time out at 2h (on an AWS c5 instance), so this is
> concerning and I'll open a separate issue for trying to improve that.
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