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how to monitor the node's state?

node
manager

asked 2017-06-24 02:54:47 -0500

Tomas yuan
56 ●10 ●13 ●17

Here is the problem, I have several nodes running together ,and they should work well for a long time. But, I'm not sure wheather they will break or not . So,is there anything can be used to monitor the state of the nodes ? if one broke up,it can show something or inform there are something wrong.

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