jpountz commented on code in PR #13381:
URL: https://github.com/apache/lucene/pull/13381#discussion_r1606101622
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lucene/core/src/java21/org/apache/lucene/store/MemorySegmentIndexInput.java:
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@@ -344,7 +354,11 @@ public void prefetch(long offset, long length) throws
IOException {
}
final MemorySegment prefetchSlice = segment.asSlice(offset, length);
- nativeAccess.madviseWillNeed(prefetchSlice);
+ if (nativeAccess.mincore(prefetchSlice) == false) {
Review Comment:
Should we look into replacing our native code with a call to
`MemorySegment#load()` in a virtual thread?
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