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Posted to dev@rocketmq.apache.org by GitBox <gi...@apache.org> on 2022/04/10 02:59:12 UTC

[GitHub] [rocketmq] RongtongJin commented on issue #4137: Why doesn't rocketmq send files with sendfile like Kafka?

RongtongJin commented on issue #4137:
URL: https://github.com/apache/rocketmq/issues/4137#issuecomment-1094164675

   当transferMsgByHeap=false的时候，拉取消息会使用fileRegion的方式实现零拷贝
   
   https://github.com/apache/rocketmq/blob/47561bdd855ab381113d736b5c26a09c08da590b/broker/src/main/java/org/apache/rocketmq/broker/processor/PullMessageProcessor.java#L382-L408


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