huxihx created KAFKA-5560:
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Summary: LogManager should be able to create new logs based on
free disk space
Key: KAFKA-5560
URL: https://issues.apache.org/jira/browse/KAFKA-5560
Project: Kafka
Issue Type: Improvement
Components: log
Affects Versions: 0.11.0.0
Reporter: huxihx
Currently, log manager chooses a directory configured in `log.dirs` by
calculating the number partitions in each directory and then choosing the one
with the fewest partitions. But in some real production scenarios where data
volumes of partitions are not even, some disks nearly become full whereas the
others have a lot of spaces which lead to a poor data distribution.
We should offer a new strategy to users to have log manager honor the real disk
free spaces and choose the directory with the most disk space. Maybe a new
broker configuration parameter is needed, `log.directory.strategy` for
instance. Perhaps this needs a new KIP also.
Does it make sense?
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