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henningandersen · Jan 25, 2024 · adcb884 · adcb884
1 parent 0d43005
commit adcb884
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/...n/blob-cache/src/main/java/org/elasticsearch/blobcache/shared/SharedBlobCacheService.java b/...n/blob-cache/src/main/java/org/elasticsearch/blobcache/shared/SharedBlobCacheService.java
@@ -1424,7 +1424,7 @@ private void unlink(final LFUCacheEntry entry) {
          */
         private SharedBytes.IO maybeEvictAndTake(Runnable evictedNotification) {
             assert Thread.holdsLock(SharedBlobCacheService.this);
-            long currentEpoch = epoch.get();
+            long currentEpoch = epoch.get(); // must be captured before attempting to evict a freq 0
             SharedBytes.IO freq0 = maybeEvictAndTakeForFrequency(evictedNotification, 0);
             if (freqs[0] == null) {
                 // no frequency 0 entries, let us switch epoch and decay so we get some for next time.