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Connecting to Instance

Last updated: 2022-07-11 10:50:01

CTSDB instances currently can be connected to only in VPCs. You can connect to an instance in the console or through RESTful APIs. In the latter case, you need to provide the root account password to ensure security.

Below is a code sample for connecting to an instance and creating a metric through curl. Here, ${user:password} is the username and password of the instance, ${vip}:${vport} the IP and port, and ${metric_name} the name of the created metric. For parameter descriptions, see Creating Metric.


  • To connect to a database instance at its private IP, the CVM instance and the database instance must be under the same account and in the same VPC in the same region, or both in the classic network.
  • You can view the private IP and port in the instance list in the console.
  • If you forgot the password, reset it as instructed in Resetting Password.
 curl -u ${user:password} -H 'Content-Type:application/json' -X PUT ${vip}:${vport}/_metric/${metric_name} -d'
   "tags": {
       "region": "string",
       "set":  "long",
       "host": "string"
   "time": {
        "name": "timestamp",
        "format": "epoch_second"
   "fields": {
       "cpu_usage":  "float"
   "options": {
       "expire_day": 7,
       "refresh_interval": "10s",
       "number_of_shards": 5,
       "number_of_replicas": 1,
       "rolling_period": 1
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