scheduler: hot write scheduler randomly select the balance strategy #1034
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* server: skip check a region if there is already a pending operator. (#1029) * pdctl, api, schedule: pdctl supports scatter region. (#1028) * add change log (#1024) * scheduler: hot write scheduler randomly select the balance strategy (#1034) * *: new store region score function for balance (#1014) * core: adjust capacity to fit for more cases (#1035) * check config validation (#1036) * *: add metrics for hotspot cache (#1027) * Refine install instructions. (#1041) These extra steps can help new users who are perhaps not quite so familiar with Go setup and conventions. * *: add change log for 2.0 GA (#1038) * *: add change log for ga. * scheduler: adjust metrics (#1042) * fix parse error of config.toml (#1043) * server: resign pd leader when it is not same as etcd leader. (#1039) * server: fix the valid scheduler was deleted when start coordinator (#1045) * server: fix the valid scheduler was deleted when start coordinator
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balanceByPeermay spend a long time, it will blockbalanceByLeader.