lhotari commented on code in PR #18390:
URL: https://github.com/apache/pulsar/pull/18390#discussion_r1016590222
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pulsar-common/src/main/java/org/apache/pulsar/common/util/collections/ConcurrentLongLongPairHashMap.java:
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@@ -327,10 +330,19 @@ LongPair get(long key1, long key2, int keyHash) {
try {
while (true) {
// First try optimistic locking
- long storedKey1 = table[bucket];
- long storedKey2 = table[bucket + 1];
- long storedValue1 = table[bucket + 2];
- long storedValue2 = table[bucket + 3];
+ long storedKey1 = 0;
+ long storedKey2 = 0;
+ long storedValue1 = 0;
+ long storedValue2 = 0;
+ try {
+ storedKey1 = table[bucket];
+ storedKey2 = table[bucket + 1];
+ storedValue1 = table[bucket + 2];
+ storedValue2 = table[bucket + 3];
+ } catch (ArrayIndexOutOfBoundsException e) {
+ // read a dirty capacity, cause
ArrayIndexOutOfBoundsException
+ logger.error("Read a dirty capacity, fallback to
Pessimistic Read. capacity:{}, bucket:{}", capacity, bucket);
Review Comment:
logging with error level is not very useful since this is an expected
condition. Using debug level would be justified.
It could make sense to also log `e.getMessage()`.
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