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        • Terminating a Cluster - MapReduce Service

          Terminating a Cluster - MapReduce Service

          Procedure API URI format: DELETE /V1.1/{project_id}/clusters/{cluster_id} For details, see Terminating a Cluster. Example request DELETE: https://{endpoint}/v1.1/{project_id}/clusters/{cluster_id} For details about {endpoint}, see Endpoints.

          Help > MapReduce Service > API Reference > Application Cases
        • DEALLOCATE PREPARE - MapReduce Service

          DEALLOCATE PREPARE - MapReduce Service

          Example To delete the preprocessing statement name my_query: DEALLOCATE PREPARE my_select1; Parent topic: HetuEngine Auxiliary Command Syntax

          Help > MapReduce Service > Component Operation Guide (LTS) > Using HetuEngine > Common HetuEngine SQL Syntax > HetuEngine Auxiliary Command Syntax
        • Deleting an MRS Cluster - MapReduce Service

          Deleting an MRS Cluster - MapReduce Service

          In the cluster list, locate the row containing the cluster to be deleted, and click Delete in the Operation column. In the Delete Cluster dialog box, enter DELETE in the confirmation text box and click OK.

          Help > MapReduce Service > User Guide > Managing Clusters > Managing an MRS Cluster
        • DROP MATERIALIZED VIEW - MapReduce Service

          DROP MATERIALIZED VIEW - MapReduce Service

          A materialized view will fail to delete if some data (metadata or table data) has been deleted before the materialized view is deleted.

          Help > MapReduce Service > Component Operation Guide (LTS) > Using HetuEngine > Common HetuEngine SQL Syntax > HetuEngine DDL SQL Syntax
        • Managing MRS Cluster Auto Scaling Policies - MapReduce Service

          Managing MRS Cluster Auto Scaling Policies - MapReduce Service

          Click Delete on the right of an existing auto scaling policy.In the displayed dialog box, click OK. Enabling or Disabling an Auto Scaling Policy Log in to the MRS management console.

          Help > MapReduce Service > User Guide > MRS Cluster O&M > Adjusting the Capacity of an MRS Cluster > MRS Task Node Auto Scaling
        • MERGE INTO - MapReduce Service

          MERGE INTO - MapReduce Service

          If UPDATE or DELETE is executed for the table matching the join condition, and INSERT is executed if the join condition is not met. This command completes the synchronization requiring only one full table scan, delivering higher efficiency than INSERT plus UPDATE.

          Help > MapReduce Service > Component Operation Guide (LTS) > Using Hudi > Hudi SQL Syntax Reference > Hudi DML Syntax
        • COMMENT - MapReduce Service

          COMMENT - MapReduce Service

          You can delete the comment by setting the comment information to NULL. Example Change the comment of the users table to "master table". You can run the show create table tablename statement to view the comment.

          Help > MapReduce Service > Component Operation Guide (LTS) > Using HetuEngine > Common HetuEngine SQL Syntax > HetuEngine DDL SQL Syntax
        • DROP FUNCTION - MapReduce Service

          DROP FUNCTION - MapReduce Service

          Example Delete the example.namespace01.date_diff function: DROP FUNCTION example.namespace01.date_diff Delete the example.namespace01.date_diff function if it exists: DROP FUNCTION IF EXISTS example.namespace01.date_diff Parent topic: HetuEngine DDL SQL Syntax

          Help > MapReduce Service > Component Operation Guide (LTS) > Using HetuEngine > Common HetuEngine SQL Syntax > HetuEngine DDL SQL Syntax
        • DROP VIEW - MapReduce Service

          DROP VIEW - MapReduce Service

          Example Creating a View create view orders_by_date as select * from orders; Delete the orders_by_date view. If the view does not exist, an error is reported. DROP VIEW orders_by_date; Delete the orders_by_date view. Use the IF EXISTS parameter.

          Help > MapReduce Service > Component Operation Guide (LTS) > Using HetuEngine > Common HetuEngine SQL Syntax > HetuEngine DDL SQL Syntax
        • Commissioning an Impala JDBC Application on Linux - MapReduce Service

          Commissioning an Impala JDBC Application on Linux - MapReduce Service

          _c0 0 Delete table success! Parent topic: Commissioning an Impala Application

          Help > MapReduce Service > Developer Guide (Normal_Earlier Than 3.x) > Impala Development Guide > Commissioning an Impala Application
        • Asynchronously Deleting HDFS Data - MapReduce Service

          Asynchronously Deleting HDFS Data - MapReduce Service

          Asynchronously Deleting HDFS Data Scenario The HDFS asynchronous deletion feature is used to delete large directories. Deleting blocks asynchronously with traffic control can effectively shorten the continuous lock period. This function is available in MRS 3.5.0 or later only.

          Help > MapReduce Service > Component Operation Guide (LTS) > Using HDFS > HDFS Performance Tuning
        • Configuring a HetuEngine Maintenance Instance - MapReduce Service

          Configuring a HetuEngine Maintenance Instance - MapReduce Service

          Maintenance instances are used to automatically refresh, create, and delete materialized views. In a cluster, only one compute instance can be set as a maintenance instance, and the maintenance instance can also carry original computing services at the same time.

          Help > MapReduce Service > Component Operation Guide (LTS) > Using HetuEngine > Managing HetuEngine Compute Instances
        • Deleting an Auto Scaling Policy - MapReduce Service

          Deleting an Auto Scaling Policy - MapReduce Service

          Default value N/A Response Parameters None Example Request Delete the auto scaling policies of the node_group_2 node group.

          Help > MapReduce Service > API Reference > API V2 > Auto Scaling APIs
        • Deleting Tags from a Specified Cluster - MapReduce Service

          Deleting Tags from a Specified Cluster - MapReduce Service

          Deleting Tags from a Specified Cluster Function This API is used to delete tags from a specified cluster. Constraints None Debugging You can debug this API in API Explorer. Automatic authentication is supported.

          Help > MapReduce Service > API Reference > API V1.1 > Tag Management APIs
        • Using ignoreDelete in JDBC Data Writes - MapReduce Service

          Using ignoreDelete in JDBC Data Writes - MapReduce Service

          Scenarios Data in DELETE and UPDATE_BEFORE states can be filtered out when FlinkSQL writes JDBC data. How to Use Add filter.record.enabled and filter.row-kinds parameters to a created JDBC Connector Sink stream table. The default value of filter.record.enabled is false.

          Help > MapReduce Service > Component Operation Guide (LTS) > Using Flink > Enterprise-Class Enhancements of Flink
        • How Do I Solve the Problem that Kafka Topics Cannot Be Deleted? - MapReduce Service

          How Do I Solve the Problem that Kafka Topics Cannot Be Deleted? - MapReduce Service

          For cause 2: Stop the application that uses the topic in the background, or set auto.create.topics.enable to false (restart the Kafka service), and then delete the topic. Parent topic: Common Issues About Kafka

          Help > MapReduce Service > Component Operation Guide (Normal) > Using Kafka > Common Issues About Kafka
        • How Do I Solve the Problem that Kafka Topics Cannot Be Deleted? - MapReduce Service

          How Do I Solve the Problem that Kafka Topics Cannot Be Deleted? - MapReduce Service

          For cause 2: Stop the application that uses the topic in the background, or set auto.create.topics.enable to false (restart the Kafka service), and then delete the topic. Parent topic: Common Issues About Kafka

          Help > MapReduce Service > Component Operation Guide (LTS) > Using Kafka > Common Issues About Kafka
        • Deleting a Data Connection - MapReduce Service

          Deleting a Data Connection - MapReduce Service

          URI DELETE /v2/{project_id}/data-connectors/{connector_id} Table 1 URI parameters Parameter Mandatory Type Description connector_id Yes String Explanation Connection ID.

          Help > MapReduce Service > API Reference > API V2 > Data Connection Management
        • Deleting a Table - MapReduce Service

          Deleting a Table - MapReduce Service

          Deleting a Table Function Delete a table using the deleteTable method of org.apache.hadoop.hbase.client.Admin.

          Help > MapReduce Service > Developer Guide (Normal_3.x) > HBase Development Guide (Normal Mode) > Developing an Application > Reading/Writing Data
        • Deleting a Table - MapReduce Service

          Deleting a Table - MapReduce Service

          Deleting a Table Function Delete a table using the deleteTable method of org.apache.hadoop.hbase.client.Admin.

          Help > MapReduce Service > Developer Guide (Normal_3.x) > HBase Development Guide (Security Mode) > Developing an Application > Reading/Writing Data
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