lordcheng10 commented on a change in pull request #3061:
URL: https://github.com/apache/bookkeeper/pull/3061#discussion_r809629204
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File path:
bookkeeper-server/src/main/java/org/apache/bookkeeper/util/collections/ConcurrentLongLongPairHashMap.java
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@@ -336,9 +339,10 @@ boolean put(long key1, long key2, long value1, long
value2, int keyHash, boolean
bucket = (bucket + 4) & (table.length - 1);
}
} finally {
- if (usedBuckets > resizeThreshold) {
+ if (usedBuckets > resizeThresholdUp) {
try {
- rehash();
+ // Expand the hashmap
+ rehash(capacity * 2);
Review comment:
@merlimat like this?:
float upFactor = 0.5;
float downFactor = 0.5;
// Expand the hashmap
rehash(capacity * (1 + upFactor));
// shrink the hashmap
rehash(capacity * (1-downFactor));
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