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Posted to dev@storm.apache.org by "Haohui Mai (JIRA)" <ji...@apache.org> on 2015/11/25 21:42:11 UTC

[jira] [Closed] (STORM-1220) Avoid double copying in the Kafka spout

     [ https://issues.apache.org/jira/browse/STORM-1220?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Haohui Mai closed STORM-1220.
-----------------------------
    Resolution: Fixed

Thanks for the reviews and commits.

> Avoid double copying in the Kafka spout
> ---------------------------------------
>
>                 Key: STORM-1220
>                 URL: https://issues.apache.org/jira/browse/STORM-1220
>             Project: Apache Storm
>          Issue Type: Bug
>            Reporter: Haohui Mai
>            Assignee: Haohui Mai
>
> Currently the kafka spout takes a {{ByteBuffer}} from Kafka. However, the serialization scheme takes a {{byte[]}} array as input. Therefore the current implementation copies the {{ByteBuffer}} to a new {{byte[]}} array in order to hook everything together.
> This jira proposes to changes the interfaces of serialization scheme to avoid copying the data twice in the spout.



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