ctubbsii commented on code in PR #3063:
URL: https://github.com/apache/accumulo/pull/3063#discussion_r1011199631
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core/src/main/java/org/apache/accumulo/core/file/blockfile/cache/lru/CachedBlockQueue.java:
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@@ -73,7 +73,7 @@ public void add(CachedBlock cb) {
heapSize += cb.heapSize();
} else {
CachedBlock head = queue.peek();
- if (cb.compareTo(head) > 0) {
+ if (head != null && cb.compareTo(head) > 0) {
Review Comment:
I'm not sure about this change. If the queue is empty (peek returns null),
then this cb is never queued. I'm not sure if this situation is ever possible,
unless `maxSize < 0`, though.
Ultimately, I don't see the motivate for changing this behavior.
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