#阿里中间件性能挑战赛第一赛季
本项目是我参加阿里中间件性能大赛第一赛季，使用阿里中间件 jStorm，rocketMq，tair 完成的阿里双十一交易数据实时计算。
本项目没有什么难点，遗憾的是大赛因为初次使用java，所以没有仔细查看linkedblockingqueue 的offer 方法，造成了数据丢失，最后也将bug更改过来。
项目唯一的难点：队列中一类要处理的数据对另外一类数据有依赖关系，队列不可随机消费，所以需要在内存中缓存被依赖的数据，并且达到一定条件之后删除数据，避免内存不够。
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