工厂模式
Adapter:MetricsSourceAdapter
定时器:Chore
计数器:Counter HRegion中的readRequestsCount
Watcher:各种ZookeeperWatcher
HasThread:对Runnable操作的封装
Listener:Replication extends WALActionsListener
工厂模式
Adapter:MetricsSourceAdapter
定时器:Chore
计数器:Counter HRegion中的readRequestsCount
Watcher:各种ZookeeperWatcher
HasThread:对Runnable操作的封装
Listener:Replication extends WALActionsListener