epotyom commented on code in PR #15585:
URL: https://github.com/apache/lucene/pull/15585#discussion_r2704668163
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lucene/core/src/java/org/apache/lucene/store/MemorySegmentIndexInput.java:
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@@ -40,6 +40,22 @@
* chunkSizePower</code>).
*/
abstract class MemorySegmentIndexInput extends IndexInput implements
MemorySegmentAccessInput {
+
+ /** Shared counter for prefetch hit tracking. */
+ static final class SharedPrefetchCounter {
+ private int count;
Review Comment:
Should we make count `volatile` to ensure visibility across threads?
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