Evelyn Bayes created KAFKA-8534:
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Summary: retention.bytes does not work as documented
Key: KAFKA-8534
URL: https://issues.apache.org/jira/browse/KAFKA-8534
Project: Kafka
Issue Type: Bug
Components: log cleaner
Affects Versions: 2.2.1, 2.1.1, 2.0.1, 1.1.1, 1.0.2, 0.11.0.3
Reporter: Evelyn Bayes
A log segment isn't deleted when a partition reaches retention.bytes.
Instead a log segment is deleted when a partition reaches retention.bytes +
segment.bytes
This conflicts with the defenition of retention.bytes:
*_This configuration controls the maximum size a partition (which consists of
log segments) can grow to before we will discard old log segments to free up
space if we are using the "delete" retention policy. By default there is no
size limit only a time limit. Since this limit is enforced at the partition
level, multiply it by the number of partitions to compute the topic retention
in bytes._*
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