由SEDA,HALF-SYNC/HALF-ASYNC 和PIPELINE AND RESOURCE MANAGEMENT

由SEDA,HALF-SYNC/HALF-ASYNC 和PIPELINE AND RESOURCE MANAGEMENT

SEDA有两个思想。一是分阶段,二是事件驱动。原理则是分而治之。在分工合作的基础上加上反馈机制形成一个动态调整的执行环境。 HALF-SYNC/HALF-ASYNC是局限于IO范围以内进行性能调整的方法。即在承认IO操作之间的差异性基础上,有针对性地解决问题。说它是一

Loading half a billion rows into MySQL—转载

Loading half a billion rows into MySQL—转载

BackgroundWe have a legacy system in our production environment that keeps track of when a user takes an action on Causes.com (joins a Cause, recruits a friend, etc). I say legacy, but I really mean a prematurely-optimized system that I’d