YARN 手动切换HA状态
RM2操作:
yarn rmadmin -getServiceState rm2

yarn rmadmin -transitionToStandby rm2

yarn rmadmin -transitionToStandby rm2 --forcemanual

RM1操作:
yarn rmadmin -transitionToActive rm1 --forcemanual
yarn rmadmin -getServiceState rm1

RM2操作:
yarn rmadmin -getServiceState rm2

yarn rmadmin -transitionToStandby rm2

yarn rmadmin -transitionToStandby rm2 --forcemanual

RM1操作:
yarn rmadmin -transitionToActive rm1 --forcemanual
yarn rmadmin -getServiceState rm1
