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高吞吐量的实现机制是什么？ #52

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wendyqun opened this issue Oct 17, 2016 · 2 comments

wendyqun commented Oct 17, 2016

对jafka的说明中有这样一条：高吞吐量：即使是低配制的硬件条件，单个Broker也能支持每秒数十万的消息吞吐。
请问高吞吐量的技术支撑是什么？nio吗？

Owner

adyliu commented Oct 18, 2016

主要因为以下三个原因

消息简单，不用复杂的拆包、解包
支持消息包发送（一次发送众多消息）
3.文件顺序存储（消息的接收和处理速度一直来与网卡速度和硬盘速度）

nio倒不是主要原因，即使bio也足够快。

SuyuZhuang commented Aug 4, 2019

是不是还包括零拷贝呢?

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