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https://issues.apache.org/jira/browse/KAFKA-1984?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14335141#comment-14335141
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Jun Rao commented on KAFKA-1984:
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Created reviewboard https://reviews.apache.org/r/31363/diff/
against branch origin/trunk
> java producer may miss an available partition
> ---------------------------------------------
>
> Key: KAFKA-1984
> URL: https://issues.apache.org/jira/browse/KAFKA-1984
> Project: Kafka
> Issue Type: Bug
> Components: producer
> Affects Versions: 0.8.2.0
> Reporter: Jun Rao
> Assignee: Jun Rao
> Attachments: kafka-1984.patch
>
>
> 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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