3.6.2. Provided Metrics

The OGSA-DAI service provides metrics for each of the resource types:

Example

User A has been given permission by the service provider to create databases. He wants to create a new database, create some tables in that database, and then give User B read/write access to those tables.

• User A calls createDatabase.

  Usage report for User A - Database
  http://www.gria.org/sla/metric/activity/ogsadai/db
  Total now: 1
  Usage report for User A - Administrative Role
  http://www.gria.org/sla/metric/activity/ogsadai/role
  Total now: 1
  Usage report for User A - Read/Write Role
  http://www.gria.org/sla/metric/activity/ogsadai/role
  Total now: 2
  Usage report for User A - Read Only Role
  http://www.gria.org/sla/metric/activity/ogsadai/role
  Total now: 3

• User A calls subscribe on his administrative role so he can create a table.

  Usage report for User A - Subscription
  http://www.gria.org/sla/metric/activity/ogsadai/subscription
  Total now: 1
  Usage report for User A - Subscriber
  http://www.gria.org/sla/metric/resource/ogsadai/subscriber
  Total now: 1

• User A calls perform on his subscription, creating a table.

• User A gives User B permission to subscribe to his Read/Write role.

• User B calls subscribe on the Read/Write role.

  Usage report for User B - Subscription
  http://www.gria.org/sla/metric/activity/ogsadai/subscription
  Total now: 1
  Usage report for User A - Subscriber
  http://www.gria.org/sla/metric/resource/ogsadai/subscriber
  Total now: 2

• User B executes some queries on his Read/Write subscription.

At the end of this example, the usage for the two users is as follows:

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