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Request
s GET /rest/v2/manager/node/frontends
GET /rest/v2/manager/node/backends
GET /rest/v2/manager/node/brokers
GET /rest/v2/manager/node/configuration_name
GET /rest/v2/manager/node/node_list
POST /rest/v2/manager/node/configuration_info
POST /rest/v2/manager/node/set_config/fe
POST /rest/v2/manager/node/set_config/be
Get information about fe, be, broker nodes
GET /rest/v2/manager/node/frontends
GET /rest/v2/manager/node/backends
GET /rest/v2/manager/node/brokers
Description
Used to get cluster to get fe, be, broker node information.
Response
frontends:{"msg": "success","code": 0,"data": {"column_names": ["Name","IP","HostName","EditLogPort","HttpPort","QueryPort","RpcPort","Role","IsMaster","ClusterId","Join","Alive","ReplayedJournalId","LastHeartbeat","IsHelper","ErrMsg","Version"],"rows": [[...]]},"count": 0}
backends:{"msg": "success","code": 0,"data": {"column_names": ["BackendId","Cluster","IP","HostName","HeartbeatPort","BePort","HttpPort","BrpcPort","LastStartTime","LastHeartbeat","Alive","SystemDecommissioned","ClusterDecommissioned","TabletNum","DataUsedCapacity","AvailCapacity","TotalCapacity","UsedPct","MaxDiskUsedPct","ErrMsg","Version","Status"],"rows": [[...]]},"count": 0}
brokers:{"msg": "success","code": 0,"data": {"column_names": ["Name","IP","HostName","Port","Alive","LastStartTime","LastUpdateTime","ErrMsg"],"rows": [[...]]},"count": 0}
Get node configuration information
GET /rest/v2/manager/node/configuration_name
GET /rest/v2/manager/node/node_list
POST /rest/v2/manager/node/configuration_info
Description
configuration_name Used to get the name of the node configuration item.
node_list Get the list of nodes.
configuration_info to get the node configuration details.
Query parameters
GET /rest/v2/manager/node/configuration_name
none
GET /rest/v2/manager/node/node_list
none
POST /rest/v2/manager/node/configuration_info
- type The value is fe or be, which specifies to get the configuration information of fe or the configuration information of be.
Request body
GET /rest/v2/manager/node/configuration_name
none
GET /rest/v2/manager/node/node_list
none
POST /rest/v2/manager/node/configuration_info
{"conf_name": [""],"node": [""]}If no body is included, the parameters in the body use the default values.conf_name specifies which configuration items to return, the default is all configuration items.node is used to specify which node's configuration information is returned, the default is all fe nodes or be nodes configuration information.
Response
GET /rest/v2/manager/node/configuration_name
{"msg": "success","code": 0,"data": {"backend":[""],"frontend":[""]},"count": 0}
GET /rest/v2/manager/node/node_list
{"msg": "success","code": 0,"data": {"backend": [""],"frontend": [""]},"count": 0}
POST /rest/v2/manager/node/configuration_info?type=fe
{"msg": "success","code": 0,"data": {"column_names": ["配置项","节点","节点类型","配置值类型","MasterOnly","配置值","可修改"],"rows": [[""]]},"count": 0}
POST /rest/v2/manager/node/configuration_info?type=be
{"msg": "success","code": 0,"data": {"column_names": ["配置项","节点","节点类型","配置值类型","配置值","可修改"],"rows": [[""]]},"count": 0}
Examples
Get the fe agent_task_resend_wait_time_ms configuration information:
POST /rest/v2/manager/node/configuration_info?type=fe
body:{"conf_name":["agent_task_resend_wait_time_ms"]}
Response:
{"msg": "success","code": 0,"data": {"column_names": ["配置项","节点","节点类型","配置值类型","MasterOnly","配置值","可修改"],"rows": [["agent_task_resend_wait_time_ms","127.0.0.1:8030","FE","long","true","50000","true"]]},"count": 0}
Modify configuration values
POST /rest/v2/manager/node/set_config/fe
POST /rest/v2/manager/node/set_config/be
Description
Used to modify fe or be node configuration values
Request body
{"config_name":{"node":[""],"value":"","persist":}}config_name is the corresponding configuration item.node is a keyword indicating the list of nodes to be modified;value is the value of the configuration.persist is true for permanent modification and false for temporary modification. persist means permanent modification, false means temporary modification. permanent modification takes effect after reboot, temporary modification fails after reboot.
Response
GET /rest/v2/manager/node/configuration_name
{"msg": "","code": 0,"data": {"failed":[{"config_name":"name","value"="","node":"","err_info":""}]},"count": 0}failed Indicates a configuration message that failed to be modified.
Examples
Modify the agent_task_resend_wait_time_ms and alter_table_timeout_second configuration values in the fe 127.0.0.1:8030 node:
POST /rest/v2/manager/node/set_config/fe body:
{"agent_task_resend_wait_time_ms":{"node":["127.0.0.1:8030"],"value":"10000","persist":"true"},"alter_table_timeout_second":{"node":["127.0.0.1:8030"],"value":"true","persist":"true"}}
Response:
{"msg": "success","code": 0,"data": {"failed": [{"config_name": "alter_table_timeout_second","node": "10.81.85.89:8837","err_info": "Unsupported configuration value type.","value": "true"}]},"count": 0}gent_task_resend_wait_time_ms configuration value modified successfully, alter_table_timeout_second modification failed.
