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          • Querying SQL Results - MapReduce Service

            Querying SQL Results - MapReduce Service

            https://{endpoint}/v2/{project_id}/clusters/{cluster_id}/sql-execution/{sql_id} Example Response Status code: 200 Querying the SQL execution result is successful. { "id" : "20190909_011820_00151_xxxxx", "statement" : "show tables", "status" : "FINISHED", "result_location" : "obs

            Help > MapReduce Service > API Reference > API V2 > SQL APIs
          • Configuring HetuEngine Query Fault Tolerance - MapReduce Service

            Configuring HetuEngine Query Fault Tolerance - MapReduce Service

            When OBS is connected in the scenario where storage and compute are decoupled, task-level fault tolerance is supported, but intermediate data is still flushed to the disk of the HDFS temporary directory.

            Help > MapReduce Service > Component Operation Guide (LTS) > Using HetuEngine > Managing HetuEngine Compute Instances
          • Viewing MRS Job Details and Logs - MapReduce Service

            Viewing MRS Job Details and Logs - MapReduce Service

            After a job is executed, the system will compress and save the logs to the corresponding path if you choose to save job logs to OBS or HDFS. Therefore, after a job execution of this type is completed, the job status is still Running.

            Help > MapReduce Service > User Guide > Submitting an MRS Job
          • Changing the VPC Subnet of an MRS Cluster - MapReduce Service

            Changing the VPC Subnet of an MRS Cluster - MapReduce Service

            Similar to the example provided in method 1, set Action to Allow and add the outbound rules whose destinations are the address with Secure Communications enabled, NTP server address, OBS server address, OpenStack address, and DNS server address, respectively.

            Help > MapReduce Service > User Guide > Managing Clusters > Managing an MRS Cluster
          • Migrating Data from HBase to MRS with CDM - MapReduce Service

            Migrating Data from HBase to MRS with CDM - MapReduce Service

            OBS Bucket Check Determine whether you need to select I confirm that I only need to view logs and data verification results on MgC Agent and do not need to upload them to OBS as required. Create a task for the destination by referring to 9.b to 9.c.

            Help > MapReduce Service > Best Practices > Data Migration
          • Creating a Cluster and Executing a Job - MapReduce Service

            Creating a Cluster and Executing a Job - MapReduce Service

            Set this parameter to an OBS bucket path or a local VM path. OBS bucket path: Enter a script path. For example, enter the path of the public sample script provided by MRS. Example: s3a://bootstrap/presto/presto-install.sh.

            Help > MapReduce Service > API Reference > API V1.1 > Cluster Management APIs
          • MRS 2.1.0.8 Patch Description - MapReduce Service

            MRS 2.1.0.8 Patch Description - MapReduce Service

            MRS 2.1.0.8 Patch Description Basic Information Table 1 Basic information Patch Version MRS 2.1.0.8 Release Date 2020-08-04 Resolved Issues List of resolved issues in MRS 2.1.0.8: MRS Manager The problem that the ECS API traffic is limited when OBS is accessed through an agency has

            Help > MapReduce Service > User Guide > MRS Cluster O&M > MRS Cluster Patch Description
          • Configuring an Auto Scaling Rule - MapReduce Service

            Configuring an Auto Scaling Rule - MapReduce Service

            Set this parameter to an OBS bucket path or a local VM path. OBS bucket path: Enter a script path manually, for example, s3a://XXX/scale.sh. Local VM path: Enter a script path. The script path must start with a slash (/) and end with .sh.

            Help > MapReduce Service > API Reference > API V1.1 > Auto Scaling APIs
          • What's New - MapReduce Service

            What's New - MapReduce Service

            It provides a data abstraction layer for computing frameworks including Apache Spark, Presto, MapReduce, and Apache Hive, so that upper-layer computing applications can access persistent storage systems including HDFS and OBS through unified client APIs and a global namespace.

            Help > MapReduce Service > What's New
          • What's New - MapReduce Service

            What's New - MapReduce Service

            It provides a data abstraction layer for computing frameworks including Apache Spark, Presto, MapReduce, and Apache Hive, so that upper-layer computing applications can access persistent storage systems including HDFS and OBS through unified client APIs and a global namespace.

            Help > MapReduce Service > What's New
          • Sample Projects of MRS Components - MapReduce Service

            Sample Projects of MRS Components - MapReduce Service

            Accessing MRS Storm with JDBC The program uses Storm topology to insert data into a table. storm-kafka-examples Interaction between Storm and Kafka of MRS The program uses the Storm topology to send data to Kafka and display the data. storm-obs-examples Interaction between Storm and OBS

            Help > MapReduce Service > Developer Guide (Normal_Earlier Than 3.x)
          • MRS 2.1.0.9 Patch Description - MapReduce Service

            MRS 2.1.0.9 Patch Description - MapReduce Service

            List of resolved issues in MRS 2.1.0.8: MRS Manager The problem that the ECS API traffic is limited when OBS is accessed through an agency has been solved. Multiple users can log in to MRS Manager at the same time. Full-link monitoring is supported.

            Help > MapReduce Service > User Guide > MRS Cluster O&M > MRS Cluster Patch Description
          • Submitting an MRS Hive Job on DataArts Studio - MapReduce Service

            Submitting an MRS Hive Job on DataArts Studio - MapReduce Service

            - Log Path Path of the OBS bucket for storing job logs obs://test/dataarts-log/ Job Description Job description - For more information about DataArts Studio job parameters and constraints, see Creating a DataArts Studio Job. Go to the job orchestration page.

            Help > MapReduce Service > User Guide > Submitting an MRS Job > Submitting an MRS Job on DataArts Studio
          • MRS 2.1.0.10 Patch Description - MapReduce Service

            MRS 2.1.0.10 Patch Description - MapReduce Service

            List of resolved issues in MRS 2.1.0.8: MRS Manager The problem that the ECS API traffic is limited when OBS is accessed through an agency has been solved. Multiple users can log in to MRS Manager at the same time. Full-link monitoring is supported.

            Help > MapReduce Service > User Guide > MRS Cluster O&M > MRS Cluster Patch Description
          • Flink SQL Operator Parallelism - MapReduce Service

            Flink SQL Operator Parallelism - MapReduce Service

            The save path of CompiledPlan can be an HDFS path or an OBS path. In this example, the HDFS path is used. How to Use Change the value of table.exec.resource.default-parallelism of the an operator in CompiledPlan. Example Develop a FlinkServer SQL job.

            Help > MapReduce Service > Component Operation Guide (LTS) > Using Flink > Enterprise-Class Enhancements of Flink
          • What Is MRS? - MapReduce Service

            What Is MRS? - MapReduce Service

            Huawei Cloud OBS is an object storage service that features high availability and low cost.

            Help > MapReduce Service > Service Overview
          • Importing Data Using Loader - MapReduce Service

            Importing Data Using Loader - MapReduce Service

            You have the permission to access the HDFS or OBS directories, HBase tables, and data involved in job execution. You have obtained the username and password used by an external data source (SFTP server or relational database).

            Help > MapReduce Service > Component Operation Guide (Normal) > Using Loader > Importing Data
          • Using Loader to Import Data to an MRS Cluster - MapReduce Service

            Using Loader to Import Data to an MRS Cluster - MapReduce Service

            You have the permission to access the HDFS or OBS directories, HBase tables, and data involved in job execution. You have obtained the username and password used by an external data source (SFTP server or relational database).

            Help > MapReduce Service > Component Operation Guide (LTS) > Using Loader > Creating a Loader Data Import Job
          • Creating and Using a ClickHouse Cluster for Columnar Store - MapReduce Service

            Creating and Using a ClickHouse Cluster for Columnar Store - MapReduce Service

            Related Information For details about how to manage ClickHouse permissions, import data from RDS for MySQL, OBS, HDFS, and GaussDB(DWS) to ClickHouse tables, manage multiple ClickHouse tenants, and access ClickHouse through ELB, see Using ClickHouse.

            Help > MapReduce Service > Getting Started
          • Kafka Application Development - MapReduce Service

            Kafka Application Development - MapReduce Service

            If you cannot directly access the client node to upload files through the local network, upload the JAR package or source data to OBS, import it to HDFS on the Files tab of the MRS console, and run the hdfs dfs -get command on the HDFS client to download it to the client node.

            Help > MapReduce Service > Developer Guide (LTS) > Rapidly Develop MRS Component Applications
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