threadpool-thread-count) ThreadPool 中当前存在的线程池线程数,基于 ThreadPool.ThreadCount .NET Core 3.1 Working Set (working-set
2) 搬迁时需要扫描源的数据集,一方面会与业务争QPS,一方面会破坏(如果是Mmap引擎)热点读写的working-set 3) Mongos启发式分裂chunk的方式极不靠谱,mongos重启后,启发信息就丢失了
var workingSetCounter = new PollingCounter( "working-set", this, () => (double)(Environment.WorkingSet