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Analytics Administration REST APIs

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      Overview

      The Analytics Administration REST APIs are provided by the Analytics service. These APIs enables you to manage and monitor the Analytics service.

      The API schemes and host URLs are as follows:

      where node is the host name or IP address of a node running the Analytics service.

      Version information

      Version : 7.0

      Consumes

      • application/x-www-form-urlencoded

      Produces

      • application/json

      Paths

      This section describes the operations available with these REST APIs.

      Request Cancellation

      DELETE /analytics/admin/active_requests

      Description

      Cancels an active request.

      Parameters

      Type Name Description Schema

      FormData

      client_context_id
      required

      Identifier passed by the client that is used to identify an active request to be cancelled.

      string

      Responses

      HTTP Code Description Schema

      200

      The operation was successful.

      No Content

      400

      Bad request. Incorrect parameter or missing value.

      No Content

      401

      Unauthorized. The user name or password may be incorrect.

      Returns an object containing an error message. Refer to Error Codes.

      object

      404

      Not found. The path may be incorrect, or there is no active request with the specified identifier.

      No Content

      Security

      Type Name

      basic

      Example HTTP request

      The example below uses the client_context_id used in the Query Service example to identify the request.

      Curl request
      curl -v -u Administrator:password -X DELETE \
           http://localhost:8095/analytics/admin/active_requests \
           -d client_context_id=xyz

      Cluster Restart

      POST /analytics/cluster/restart

      Description

      Restarts all Analytics Service nodes in the cluster.

      Responses

      HTTP Code Description Schema

      202

      Accepted. Returns an object showing the status of the cluster.

      object

      401

      Unauthorized. The user name or password may be incorrect.

      Returns an object containing an error message. Refer to Error Codes.

      object

      404

      Not found. The path may be incorrect.

      No Content

      Security

      Type Name

      basic

      Example HTTP request

      Curl request
      curl -v -u Administrator:password -X POST http://localhost:8095/analytics/cluster/restart

      Example HTTP response

      Response 202
      {
        "cluster" : {
          "metadata_node" : "edfb6de9c91d7fb36399fea3ce620c5c",
          "ncs" : [ {
            "node_id" : "edfb6de9c91d7fb36399fea3ce620c5c",
            "partitions" : [ {
              "active" : true,
              "partition_id" : "partition_0"
            } ],
            "pid" : 5763,
            "state" : "ACTIVE"
          } ],
          "state" : "ACTIVE"
        },
        "date" : "Wed Oct 10 15:35:56 BST 2018",
        "status" : "SHUTTING_DOWN"
      }

      Node Restart

      POST /analytics/node/restart

      Description

      Restarts the specified Analytics Service node.

      Responses

      HTTP Code Description Schema

      202

      Accepted. Returns an object showing the status of the node.

      object

      401

      Unauthorized. The user name or password may be incorrect.

      Returns an object containing an error message. Refer to Error Codes.

      object

      404

      Not found. The path may be incorrect.

      No Content

      Security

      Type Name

      basic

      Example HTTP request

      Curl request
      curl -v -u Administrator:password -X POST http://localhost:8095/analytics/node/restart

      Example HTTP response

      Response 202
      {"status": "restarting node"}

      Ingestion Status

      GET /analytics/status/ingestion

      Description

      Shows the progress of ingestion by the Analytics service, for each Analytics collection.

      Responses

      HTTP Code Description Schema

      200

      Success. Returns an object giving the ingestion status of each Analytics collection.

      401

      Unauthorized. The user name or password may be incorrect.

      Returns an object containing an error message. Refer to Error Codes.

      object

      404

      Not found. The path may be incorrect.

      No Content

      Security

      Type Name

      basic

      Example HTTP request

      Curl request
      curl -v -u Administrator:password http://localhost:8095/analytics/status/ingestion

      Example HTTP response

      Response 200
      {
        "links": [
          {
            "name": "Local",
            "scope": "travel-sample/tenant_agent_02",
            "status": "healthy",
            "state": [
              {
                "timestamp": 1631107234921,
                "progress": 1,
                "scopes": [
                  {
                    "collections": [
                      {
                        "name": "users"
                      }
                    ],
                    "name": "travel-sample/tenant_agent_02"
                  }
                ]
              }
            ]
          },
          {
            "name": "Local",
            "scope": "travel-sample/inventory",
            "status": "healthy",
            "state": [
              {
                "timestamp": 1631107234921,
                "progress": 1,
                "scopes": [
                  {
                    "collections": [
                      {
                        "name": "airport"
                      },
                      {
                        "name": "landmark"
                      }
                    ],
                    "name": "travel-sample/inventory"
                  }
                ]
              },
              {
                "timestamp": 1631107234921,
                "progress": 0.9821428571428571,
                "timeLag": 4840,
                "itemsProcessed": 23595,
                "seqnoAdvances": 49129,
                "scopes": [
                  {
                    "collections": [
                      {
                        "name": "route"
                      }
                    ],
                    "name": "travel-sample/inventory"
                  }
                ]
              }
            ]
          }
        ]
      }

      Pending Mutations

      GET /analytics/node/agg/stats/remaining

      operation.deprecated

      Description

      Shows the number of mutations in the DCP queue that have not yet been ingested by the Analytics service, for each Analytics collection.

      This endpoint may not return meaningful results in Couchbase Server 7.0 and later. The reported number of mutations may be different to the actual number of mutations in the Analytics collection. For this reason, this endpoint has been deprecated, and you should use the Ingestion Status endpoint instead.

      Responses

      HTTP Code Description Schema

      200

      Success. Returns an object giving the number of pending mutations for each Analytics collection.

      401

      Unauthorized. The user name or password may be incorrect.

      Returns an object containing an error message. Refer to Error Codes.

      object

      404

      Not found. The path may be incorrect.

      No Content

      Security

      Type Name

      basic

      Example HTTP request

      Curl request
      curl -v -u Administrator:password http://localhost:8095/analytics/node/agg/stats/remaining

      Example HTTP response

      Response 200
      {
        "Commerce": {
          "orders": 0,
          "customers": 0
        }
      }

      Definitions

      This section describes the properties returned by these REST APIs.

      Ingestion

      An object containing a single links property.

      Name Description Schema

      links
      optional

      An array of objects, each giving information about a single linked Analytics scope.

      < Links > array

      Name Description Schema

      name
      optional

      The name of the link.
      Example : "Local"

      string

      scope
      optional

      The name of the Analytics scope.
      Example : "travel-sample/inventory"

      string

      status
      optional

      The status of the Analytics scope.
      Example : "healthy"

      enum (healthy, stopped, unhealthy, suspended)

      state
      optional

      An array of objects, each giving the ingestion state of one or more Analytics collections.

      Analytics collections which have the same ingestion state within this Analytics scope are aggregated together.

      < States > array

      States

      Name Description Schema

      timestamp
      required

      The time since epoch that this sample was calculated, in milliseconds.
      Example : 1631273689161

      integer

      progress
      required

      The percentage (fraction from 0 to 1) of ingestion progress at the current time.
      Minimum value : 0
      Maximum value : 1
      Example : 0.0

      number (double)

      timeLag
      optional

      The estimated time that the ingestion lags behind the Data service, in milliseconds. Only displayed for Analytics collections that are not fully ingested.
      Example : 9744

      integer

      itemsProcessed
      optional

      The number of items ingested since last connect; that is, the total number of mutations and deletions processed. Only displayed for Analytics collections that are not fully ingested.

      Note that this value is reset on connect, so it may appear to get smaller.
      Example : 12301

      integer

      seqnoAdvances
      optional

      The change in sequence number (seqno) since last connect. Only displayed for Analytics collections that are not fully ingested.
      Example : 61

      integer

      scopes
      required

      An array of objects, each one giving information about a single Analytics scope.

      < State Scopes > array

      State Scopes

      Name Description Schema

      name
      required

      The name of the Analytics scope.
      Example : "travel-sample/inventory"

      string

      collections
      required

      An array of objects, each one giving information about a single Analytics collection.

      < State Collections > array

      State Collections

      Name Description Schema

      name
      required

      The name of the Analytics collection.
      Example : "route"

      string

      Mutations

      An object containing one or more nested scope objects, one for each available Analytics scope.

      Name Description Schema

      scope
      optional

      An object containing one or more collection properties, one for each Analytics collection in the Analytics scope. The name of the object is the name of the Analytics scope, in display form.

      Collections

      Name Description Schema

      collection
      optional

      The number of mutations in the DCP queue that have not yet been ingested. The name of the property is the name of the Analytics collection.

      integer

      Security

      The Analytics Administration REST APIs support HTTP basic authentication. Credentials can be passed via HTTP headers.

      Analytics Manage / Analytics Select

      For the Request Cancellation, Ingestion Status, and Pending Mutations operations, users must have one of the following access roles:

      • Full Admin

      • Cluster Admin

      • Analytics Manager

      • Analytics Reader

      • Analytics Select

      • Analytics Admin

      Type : basic

      Analytics Manage

      For the Cluster Restart and Node Restart operations, users must have one of the following RBAC roles:

      • Full Admin

      • Cluster Admin

      • Analytics Admin

      Type : basic

      Refer to Roles for more details.