Jason Gustafson created KAFKA-6030:
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Summary: Integer overflow in log cleaner cleanable ratio
computation
Key: KAFKA-6030
URL: https://issues.apache.org/jira/browse/KAFKA-6030
Project: Kafka
Issue Type: Bug
Reporter: Jason Gustafson
Fix For: 1.0.0, 0.11.0.2
In {{LogCleaner.LogToClean}}, the following computations, which are used to
compute the cleanable ratio, can overflow since the segment size is an integer.
{code}
val cleanBytes = log.logSegments(-1, firstDirtyOffset).map(_.size).sum
...
val cleanableBytes = log.logSegments(firstDirtyOffset,
math.max(firstDirtyOffset, firstUncleanableOffset)).map(_.size).sum
{code}
A PR is already available: https://github.com/apache/kafka/pull/4043.
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