展潇

Results 1 issues of 展潇

## Issue Description MetricSearcher findOffset eating 5%~15% CPU,because of DataInputStream#readLong ![image-20200417170907416](https://tva1.sinaimg.cn/large/007S8ZIlgy1gdwvmfm5kvj30h202eweo.jpg) ![image-20200417170544934](https://tva1.sinaimg.cn/large/007S8ZIlgy1gdwviz7jsej30k806bgmw.jpg) bug report ### Describe what happened 当MetricSearcher工作时,会占用5%~15%的CPU。访问量小的应用没有这种问题,但是部分访问量较高的应用会偶发这个问题,具体访问量是比如一分钟20万次被Sentinel管控的请求。我们有一些用应用单机QPS超过4万,这个问题便会持续出现 When MetricSearcher works, it consumes 5% to 15% of the CPU....

area/performance