The Tail at Scale
- 文章重点列了七种工程上的解决方案
- hedged requests(最快请求),
- tied requests(最快请求完成后取消其他请求),
- micro-partition(微分区),
- selectively increase replication factors(增加读分区),
- put slow machines on probation(隔离慢速机器),
- ‘good enough’ responses(不完美但是足够好的结果),
- canary requests(试探性请求)
参考
The Tail at Scale_ Achieving Rapid Response Times in Larg ***