lweitzendorf commented on code in PR #692:
URL: https://github.com/apache/jackrabbit-oak/pull/692#discussion_r995408894


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oak-segment-tar/src/test/java/org/apache/jackrabbit/oak/segment/RecordCacheStatsTest.java:
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@@ -37,18 +37,9 @@ public class RecordCacheStatsTest {
     private final Random rnd = new Random();
     private final MemoryStore store = new MemoryStore();
 
-    private final RecordCache<Integer> cache = newRecordCache(KEYS);
+    private final RecordCache<Integer> cache = newRecordCache(KEYS * 4 / 3);

Review Comment:
   The reason for this change in behavior is that the Guava cache may 
preemptively evict items for performance reasons. This means that filling the 
cache exactly to capacity no longer results in an eviction count of 0. I cannot 
change this behavior. What I can do is keep both implementations like with the 
SegmentBufferWriterPool and only use the concurrent cache for compaction.



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