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Posted to dev@kafka.apache.org by "Jun Rao (JIRA)" <ji...@apache.org> on 2015/02/24 02:36:12 UTC

[jira] [Created] (KAFKA-1984) java producer may miss an available partition

Jun Rao created KAFKA-1984:
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             Summary: java producer may miss an available partition
                 Key: KAFKA-1984
                 URL: https://issues.apache.org/jira/browse/KAFKA-1984
             Project: Kafka
          Issue Type: Bug
    Affects Versions: 0.8.2.0
            Reporter: Jun Rao
            Assignee: Jun Rao


In Partitioner, we cycle through each partition to find one whose leader is available. However, since the counter is shared among different caller threads, the logic may not iterate through every partition. The impact is that we could return an unavailable partition to the caller when there are partitions available. If the partition is unavailable for a long time, the producer may block due to bufferpool being full.



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