shatejas commented on code in PR #13985:
URL: https://github.com/apache/lucene/pull/13985#discussion_r2271691227
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lucene/core/src/java/org/apache/lucene/codecs/lucene99/Lucene99FlatVectorsReader.java:
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@@ -250,6 +262,13 @@ public RandomVectorScorer getRandomVectorScorer(String
field, byte[] target) thr
target);
}
+ @Override
+ public void finishMerge() throws IOException {
+ // This makes sure that the access pattern hint is reverted back since
HNSW implementation
+ // needs it
+ this.vectorData.updateReadAdvice(ReadAdvice.RANDOM);
Review Comment:
> Directory and its hints and iocontexts and sysprops and so on. But I don't
think we currently have IOContext.getReadAdvice()?
At the time of the change the initial advice was random so this is reverting
back to random. But I agree, we can simply cache it and revert it from the
cached value
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