学习记录4

关于linux的一些进程定义：

TASK_DROPPED
The task failed to launch because of a transient error.
TASK_ERROR
TERMINAL: The task description contains an error.
TASK_FAILED
TERMINAL: The task failed to finish successfully.
TASK_FINISHED
The task finished successfully on its own without external interference.
TASK_GONE
The task is no longer running.
TASK_GONE_BY_OPERATOR
The task was running on an agent that the master cannot contact; the operator has asserted that the agent has been shutdown, but this has not been directly confirmed by the master.
TASK_KILLED
TERMINAL: The task was killed by the executor.
TASK_KILLING
NOTE: This should only be sent when the framework has the TASK_KILLING_STATE capability.
TASK_LOST
In Mesos 1.3, this will only be sent when the framework does NOT opt-in to the PARTITION_AWARE capability.
TASK_RUNNING
TASK_RUNNING = 1;
TASK_STAGING
Initial state.
TASK_STARTING
The task is being launched by the executor.
TASK_UNKNOWN
The master has no knowledge of the task.
TASK_UNREACHABLE
The task was running on an agent that has lost contact with the master, typically due to a network failure or partition.