Task状态转换图
JM 日志
Job:CREATED -> RUNNING
Task:CREATED -> SCHEDULED -> DEPLOYING -> RUNNING
SCHEDULED:申请Slot,从Source广度优先遍历subtask。
DEPLOYING:向Slot装配,从Source广度优先遍历subtask。
RUNNING:运行
Subtask Failover
如果有subtask Failed 同Region的会 DEPLOYING或RUNNING -> Canceling->Canceled
之后重启所以Subtask Deploying时 attempt +1
TM 日志
CREATED -> DEPLOYING
所有 task DEPLOYING 后