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Posted to dev@kafka.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2017/10/08 10:15:00 UTC

[jira] [Created] (KAFKA-6023) ThreadCache#sizeBytes() should check overflow

Ted Yu created KAFKA-6023:
-----------------------------

             Summary: ThreadCache#sizeBytes() should check overflow
                 Key: KAFKA-6023
                 URL: https://issues.apache.org/jira/browse/KAFKA-6023
             Project: Kafka
          Issue Type: Bug
            Reporter: Ted Yu
            Priority: Minor


{code}
    long sizeBytes() {
        long sizeInBytes = 0;
        for (final NamedCache namedCache : caches.values()) {
            sizeInBytes += namedCache.sizeInBytes();
        }
        return sizeInBytes;
    }
{code}
The summation w.r.t. sizeInBytes may overflow.
Check similar to what is done in size() should be performed.





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