Gregor Uhlenheuer created KAFKA-5584:
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Summary: Incorrect log size for topics larger than 2 GB
Key: KAFKA-5584
URL: https://issues.apache.org/jira/browse/KAFKA-5584
Project: Kafka
Issue Type: Bug
Components: log
Reporter: Gregor Uhlenheuer
Attachments: Screen Shot 2017-07-12 at 09.10.53.png
The {{size}} of a {{Log}} is calculated incorrectly due to an Integer overflow.
For large topics (larger than 2 GB) this value overflows.
This is easily observable in the reported metrics values of the path
{{log.Log.partiion.*.topic.<topicname>.Size}} (see attached screenshot).
Moreover I think this breaks the size-based retention (via
{{log.retention.bytes}} and {{retention.bytes}}) of large topics as well.
I am not sure on the recommended workflow, should I open a pull request on
github with a fix?
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