Badai Aqrandista created KAFKA-7760:
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             Summary: Add broker configuration to set minimum value for 
segment.bytes and segment.ms
                 Key: KAFKA-7760
                 URL: https://issues.apache.org/jira/browse/KAFKA-7760
             Project: Kafka
          Issue Type: Improvement
            Reporter: Badai Aqrandista


If someone set segment.bytes or segment.ms at topic level to a very small value 
(e.g. segment.bytes=1000 or segment.ms=1000), Kafka will generate a very high 
number of segment files. This can bring down the whole broker due to hitting 
the maximum open file (for log) or maximum number of mmap-ed file (for index).

To prevent that from happening, I would like to suggest adding two new items to 
the broker configuration:
 * min.topic.segment.bytes, defaults to 1048576: The minimum value for 
segment.bytes. When someone sets topic configuration segment.bytes to a value 
lower than this, Kafka throws an error INVALID VALUE.
 * min.topic.segment.ms, defaults to 3600000: The minimum value for segment.ms. 
When someone sets topic configuration segment.ms to a value lower than this, 
Kafka throws an error INVALID VALUE.

Thanks

Badai



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