How to check Cluster status
Guide to checking etcd cluster status
Specify the initial cluster configuration for each machine:
etcdctl --write-out=table --endpoints=$ENDPOINTS endpoint status
+------------------+------------------+---------+---------+-----------+------------+-----------+------------+--------------------+--------+
| ENDPOINT | ID | VERSION | DB SIZE | IS LEADER | IS LEARNER | RAFT TERM | RAFT INDEX | RAFT APPLIED INDEX | ERRORS |
+------------------+------------------+---------+---------+-----------+------------+-----------+------------+--------------------+--------+
| 10.240.0.17:2379 | 4917a7ab173fabe7 | 3.5.0 | 45 kB | true | false | 4 | 16726 | 16726 | |
| 10.240.0.18:2379 | 59796ba9cd1bcd72 | 3.5.0 | 45 kB | false | false | 4 | 16726 | 16726 | |
| 10.240.0.19:2379 | 94df724b66343e6c | 3.5.0 | 45 kB | false | false | 4 | 16726 | 16726 | |
+------------------+------------------+---------+---------+-----------+------------+-----------+------------+--------------------+--------|
etcdctl --endpoints=$ENDPOINTS endpoint health
10.240.0.17:2379 is healthy: successfully committed proposal: took = 3.345431ms
10.240.0.19:2379 is healthy: successfully committed proposal: took = 3.767967ms
10.240.0.18:2379 is healthy: successfully committed proposal: took = 4.025451ms
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