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Posted to dev@rocketmq.apache.org by GitBox <gi...@apache.org> on 2022/04/11 02:45:04 UTC

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

cserwen commented on issue #4137:
URL: https://github.com/apache/rocketmq/issues/4137#issuecomment-1094487850

   我理解是这样的，RocketMQ一个CommitLog会有多个Topic的消息，服务端需要做查找过滤，也就是需要对磁盘文件读取出来的结果做加工再返回，而Kafka一个segment文件是partition级别的，不需要处理直接返回给客户端就行，所以用sendfile会更合适:-D
   
   当然，我觉得也可以进行优化和测试，看看会有什么样的提升。


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