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https://issues.apache.org/jira/browse/KAFKA-1017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13747663#comment-13747663
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Guozhang Wang commented on KAFKA-1017:
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Good catch, thanks Swapnil!
> High number of open file handles in 0.8 producer
> ------------------------------------------------
>
> Key: KAFKA-1017
> URL: https://issues.apache.org/jira/browse/KAFKA-1017
> Project: Kafka
> Issue Type: Bug
> Components: producer
> Affects Versions: 0.8
> Reporter: Swapnil Ghike
> Assignee: Swapnil Ghike
> Fix For: 0.8
>
> Attachments: kafka-1017.patch
>
>
> Reported by Jun Rao:
> For over-partitioned topics, each broker could be the leader for at least 1
> partition. In the producer, we randomly select a partition to send the data.
> Pretty soon, each producer will establish a connection to each of the n
> brokers. Effectively, we increased the # of socket connections by a factor of
> n, compared to 0.7.
> The increased number of socket connections increases the number of open file
> handles, this could come pretty close to the OS limit.
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