Help Center > > User Guide> Configuring a Cluster> Quick Purchase of a Real-time Analysis Cluster

Quick Purchase of a Real-time Analysis Cluster

Updated at: Mar 25, 2021 GMT+08:00

This section describes how to quickly purchase a real-time analysis cluster. The real-time analysis cluster uses Hadoop, Kafka, Flink, and ClickHouse to collect, analyze, and query a large amount of data in real time.

In MRS 3.x, the real-time analysis cluster contains the following components: Hadoop 3.1.1, Kafka 2.11-2.4.0, Flink 1.10.0, ClickHouse, ZooKeeper 3.5.6 and Ranger 2.0.0.

Quick Purchase of a Real-time Analysis Cluster

  1. Log in to the MRS management console.
  2. Click Buy Cluster. The page for buying a cluster is displayed.
  3. On the page for buying a cluster, click the Quick Config tab.
  4. Configure basic cluster information. For details about the parameters, see Custom Purchase of a Cluster.

    • Region: Use the default value.
    • Billing Mode: Select Pay-per-use.
    • Cluster Name: You can use the default name. However, you are advised to include a project name abbreviation or date for consolidated memory and easy distinguishing, Example: mrs_20201130.
    • Cluster Version: Select the latest version, which is the default value. (The components provided by a cluster vary according to the cluster version. Select a cluster version based on site requirements.)
    • Component: Select Real-time Analysis Cluster.
    • CPU Architecture: Use the default value.
    • Cluster Node: Select the number of cluster nodes and node specifications based on site requirements.
    • Username: The default value is root/admin. User root is used to remotely log in to ECSs, and user admin is used to access the cluster management page.
    • Password: Set a password for users root/admin.
    • Confirm Password: Enter the password of user root/admin again.
    Figure 1 Real-time analysis cluster
    Figure 2 Cluster node configurations

  5. Select Enable to enable secure communications. For details, see Communication Security Authorization.
  6. Click Buy Now.

    For any doubt about the pricing, click Pricing details in the lower left corner.

  7. Click Back to Cluster List to view the cluster status. Click Access Cluster to view cluster details.

    For details about cluster status during creation, see the description of the status parameters in Table 1.

    It takes some time to create a cluster. The initial status of the cluster is Starting. After the cluster has been created successfully, the cluster status becomes Running.

    On the MRS management console, a maximum of 10 clusters can be concurrently created, and a maximum of 100 clusters can be managed.

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