使用MONITOR可以分别监控集群GTM、Coordinator、Datanode、DCS节点状态或对集群全部节点状态进行监控。语法为:
gha_ctl MonITOR all/gtm/coordinator/datanode/dcs -l dcslist [-c cluster]
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[-c cluster]表示集群名称,为可选字段,缺省默认值gbase8c;
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dcslist为DCS地址,一般情况下可以只列出一个节点地址,其他节点会自动同步消息。为了保证高可用,也可以列出所有节点地址;
具体 *** 作命令如下:
[gbase@localhost deploy]$ /home/gbase/deploy/bin/gha_ctl monitor all -l http://192.168.142.211:2379,http://192.168.142.212:2379,http://192.168.142.213:2379
返回全部运行中为成功:
{ "cluster":"gbase8c", "gtm":[ { "host":"192.168.142.210", "port":"6666", "restPort":"8008", "name":"gtm1", "workDir":"/home/gbase/data/gtm", "state":"running", "role":"master" } ], "coordinator":[ { "host":"192.168.142.211", "port":"5432", "restPort":"8009", "name":"cn1", "workDir":"/home/gbase/data/coord", "state":"running" }, { "host":"192.168.142.212", "port":"5432", "restPort":"8009", "name":"cn2", "workDir":"/home/gbase/data/coord", "state":"running" }, { "host":"192.168.142.213", "port":"5432", "restPort":"8009", "name":"cn3", "workDir":"/home/gbase/data/coord", "state":"running" } ], "datanode":{ "dn1":[ { "host":"192.168.142.211", "port":"5433", "restPort":"8011", "name":"dn1_1", "workDir":"/home/gbase/data/datanode", "role":"master", "state":"running" } ], "dn2":[ { "host":"192.168.142.212", "port":"5433", "restPort":"8011", "name":"dn2_1", "workDir":"/home/gbase/data/datanode", "role":"master", "state":"running" } ], "dn3":[ { "host":"192.168.142.213", "port":"5433", "restPort":"8011", "name":"dn3_1", "workDir":"/home/gbase/data/datanode", "role":"master", "state":"running" } ] }, "dcs":{ "cluster_state":"healthy", "members":[ { "url":"http://192.168.142.213:2379", "id":"62f9a805ba818264", "name":"node_2", "state":"healthy", "isLeader":false }, { "url":"http://192.168.142.211:2379", "id":"8ea592db62fb7d92", "name":"node_0", "state":"healthy", "isLeader":true }, { "url":"http://192.168.142.212:2379", "id":"fbc0fc018ba512fa", "name":"node_1", "state":"healthy", "isLeader":false } ] } }
该集群中已配置1个GTM节点,3个Coordinator节点及3个Datanode节点(Datanode节点无备机)。
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