chenshangan created KAFKA-2146:
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Summary: adding partition did not find the correct startIndex
Key: KAFKA-2146
URL: https://issues.apache.org/jira/browse/KAFKA-2146
Project: Kafka
Issue Type: Bug
Components: admin
Affects Versions: 0.8.2.0
Reporter: chenshangan
Priority: Minor
Fix For: 0.8.3
TopicCommand provide a tool to add partitions for existing topics. It try to
find the startIndex from existing partitions. There's a minor flaw in this
process, it try to use the first partition fetched from zookeeper as the start
partition, and use the first replica id in this partition as the startIndex.
One thing, the first partition fetched from zookeeper is not necessary to be
the start partition. As partition id begin from zero, we should use partition
with id zero as the start partition.
The other, broker id does not necessary begin from 0, so the startIndex is not
necessary to be the first replica id in the start partition.
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