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E-MapReduce:Quick start: Use EMR StarRocks Manager

Last Updated:Sep 16, 2026

EMR StarRocks Manager is a data management console for Serverless StarRocks instances. Use it to manage data, run diagnostics and analysis, and configure security permissions.

Prerequisites

A Serverless StarRocks instance is required. For more information, see Create an instance.

Step 1: Access StarRocks Manager

Access the StarRocks Manager page as follows.

  1. Go to the E-MapReduce Serverless StarRocks instance list page.

    1. Log on to the E-MapReduce console.

    2. In the navigation pane on the left, choose EMR Serverless > StarRocks.

    3. In the top menu bar, select the required region.

  2. On the Instances page, find your instance and click StarRocks Manager in the Actions column.

Step 2: Create a connection

A connection enables you to use metadata management, diagnostics, analysis, user management, and authorization features.

  1. On the New Connection tab, configure the following parameters.

    Parameter

    Example

    Description

    Region

    China (Hangzhou)

    Select the region where your StarRocks instance resides.

    Instance

    StarRocks_Serverless

    Select the StarRocks instance you want to connect to.

    Name

    Connection_Serverless

    Enter a custom connection name.

    The name must be 1 to 64 characters in length and can contain Chinese characters, letters, digits, hyphens (-), and underscores (_).

    Username

    Enter a value based on your actual needs.

    The default username is admin. You can also create other users as needed. For more information, see Manage Users and Data Authorization.

    Password

    Enter a value based on your requirements.

    The password for the specified username.

  2. Click Test Connectivity.

  3. Once the connection test succeeds, click OK.

Step 3: Add users and configure permissions

Add users to your instance and manage their permissions to control database access. For more information, see Manage users and data authorization.

Step 4: View databases or tables

View databases, tables, partitions, shards, and import tasks in your instance.

  1. In the navigation pane on the left, click Metadata Management.

    The page displays all catalogs in the current account.

    Note

    Standard users cannot view the database size or the number of tables.

  2. Click a catalog name.

  3. Click a database name.

    The page displays details about the tables and tasks in the database. For more information, see Manage metadata.

Step 5: Perform diagnostics and analysis

View historical SQL statements, including execution durations and frequencies. The slow query feature helps you analyze long-running statements by providing execution plans and other details to identify performance bottlenecks and optimize queries. For more information, see Query management and analysis.