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          • Command - MapReduce Service

            Command - MapReduce Service

            Notice: Before running commands, for example, the following two commands, on the server as user omm (the client must have the execute permission of user omm), export environment variables first. export YARN_CONF_DIR=${BIGDATA_HOME}/FusionInsight_HD_8.1.2.2/1_10_ResourceManager/etc

            Help > MapReduce Service > Developer Guide (LTS) > YARN Development Guide (Normal Mode) > Interfaces
          • Preparing a Local Application Development Environment - MapReduce Service

            Preparing a Local Application Development Environment - MapReduce Service

            (Optional) To run a Python job, perform the following additional configurations (applicable to MRS 3.3.0 or later): Log in to the node where the Flink client is installed as user root.

            Help > MapReduce Service > Developer Guide (LTS) > Flink Development Guide (Security Mode) > Environment Preparation
          • Preparing Development and Running Environments - MapReduce Service

            Preparing Development and Running Environments - MapReduce Service

            (Obtain the corresponding files as required.)

            Help > MapReduce Service > Developer Guide (LTS) > HetuEngine Development Guide (Security Mode) > Environment Preparation
          • Preparing an HDFS Application Development and Runtime Environment - MapReduce Service

            Preparing an HDFS Application Development and Runtime Environment - MapReduce Service

            Select the platform type based on the type of the node where the client is to be installed (select x86_64 for the x86 architecture and aarch64 for the Arm architecture) and click OK.

            Help > MapReduce Service > Developer Guide (LTS) > HDFS Development Guide (Security Mode) > Preparing an HDFS Application Development Environment
          • Running a MapReduce Job - MapReduce Service

            Running a MapReduce Job - MapReduce Service

            ) cache of the cluster node to refresh.

            Help > MapReduce Service > User Guide > Submitting an MRS Job > Submitting a Job in an MRS Cluster
          • Using Hive for Data Analysis - MapReduce Service

            Using Hive for Data Analysis - MapReduce Service

            Use the client on a Master node.

            Help > MapReduce Service > Component Operation Guide (Normal) > Using Hive
          • Preparing a Local Application Development Environment - MapReduce Service

            Preparing a Local Application Development Environment - MapReduce Service

            The security group of the ECS must be the same as that of the master node in an MRS cluster. The ECS and the MRS cluster must be in the same VPC. The ECS network interface controller (NIC) and the MRS cluster must be in the same network segment.

            Help > MapReduce Service > Developer Guide (Normal_Earlier Than 3.x) > HBase Development Guide > Preparing an HBase Application Development Environment
          • Preparing Development and Running Environments - MapReduce Service

            Preparing Development and Running Environments - MapReduce Service

            Table 3 describes the main configuration files (Obtain required files as required).

            Help > MapReduce Service > Developer Guide (LTS) > HetuEngine Development Guide (Normal Mode) > Preparing Environment
          • Preparing a Local Application Development Environment - MapReduce Service

            Preparing a Local Application Development Environment - MapReduce Service

            (Optional) To run a Python job, perform the following additional configurations (applicable to MRS 3.3.0 or later): Log in to the node where the Flink client is installed as user root.

            Help > MapReduce Service > Developer Guide (LTS) > Flink Development Guide (Normal Mode) > Environment Preparation
          • Commissioning a Presto Application on Windows - MapReduce Service

            Commissioning a Presto Application on Windows - MapReduce Service

            KerberosConfigPath Path where krb5.conf is stored Pay attention to escape character (\). KerberosKeytabPath Path where user.keytab is stored Pay attention to escape character (\). SSLTrustStorePath Path where truststore.jks is stored Pay attention to escape character (\).

            Help > MapReduce Service > Developer Guide (Normal_Earlier Than 3.x) > Presto Development Guide > Commissioning a Presto Application
          • Preparing an HDFS Application Development and Runtime Environment - MapReduce Service

            Preparing an HDFS Application Development and Runtime Environment - MapReduce Service

            Select the platform type based on the type of the node where the client is to be installed (select x86_64 for the x86 architecture and aarch64 for the Arm architecture) and click OK.

            Help > MapReduce Service > Developer Guide (Normal_3.x) > HDFS Development Guide (Security Mode) > Preparing an HDFS Application Development Environment
          • Error Codes - MapReduce Service

            Error Codes - MapReduce Service

            Try to call the API again. 400 12000135 Master nodes available for specification scale-up not found Failed to find the Master node that can be upgraded. Check whether the node exists. 400 12000138 Failed to get max server Group members.

            Help > MapReduce Service > API Reference > Appendix
          • Commissioning an OpenTSDB Application - MapReduce Service

            Commissioning an OpenTSDB Application - MapReduce Service

            In the development environment (for example, Eclipse), right-click OpentsdbExample.java and choose Run as > Java Application from the shortcut menu to run the corresponding application project. Parent topic: Commissioning Applications on Windows

            Help > MapReduce Service > Developer Guide (Normal_Earlier Than 3.x) > OpenTSDB Development Guide > Commissioning an OpenTSDB Application > Commissioning Applications on Windows
          • Resizing a Cluster - MapReduce Service

            Resizing a Cluster - MapReduce Service

            Constraints N/A Value range The value can contain 1 to 64 characters, including only letters, digits, underscores (_), and hyphens (-).

            Help > MapReduce Service > API Reference > API V1.1 > Cluster Management APIs
          • RegionServer Instance Is in the Restoring State - MapReduce Service

            RegionServer Instance Is in the Restoring State - MapReduce Service

            Reported time is too far out of sync with master. 2017-09-18 11:16:23,636 | FATAL | regionserver21302 | Master rejected startup because clock is out of sync | org.apache.hadoop.hbase.regionserver.HRegionServer.reportForDuty(HRegionServer.java:2059) org.apache.hadoop.hbase.ClockOutOfSyncException

            Help > MapReduce Service > Troubleshooting > Using HBase
          • IoTDB Basic Principles - MapReduce Service

            IoTDB Basic Principles - MapReduce Service

            ROOT is a root node, and each node at the sensor layer is a leaf node. According to the IoTDB syntax, the path from ROOT to a leaf node is separated by a dot (.). The complete path is used to name a time series in the IoTDB.

            Help > MapReduce Service > Service Overview > Components > IoTDB
          • Spark REST APIs - MapReduce Service

            Spark REST APIs - MapReduce Service

            events/sec), average scheduling delay (unit: ms), average execution time (unit: ms), and average value of the total delay (unit: ms) of the current Streaming application.

            Help > MapReduce Service > Developer Guide (Normal_3.x) > Spark2x Development Guide (Security Mode) > FAQs About Spark Application Development > Common Spark APIs
          • Billing - MapReduce Service

            Billing - MapReduce Service

            (EVS), elastic IP (EIP), and bandwidth For details about the MRS management fee, see Product Pricing Details.

            Help > MapReduce Service > Service Overview
          • Scaling In an MRS Cluster - MapReduce Service

            Scaling In an MRS Cluster - MapReduce Service

            (Only MRS 3.5.0-LTS and later versions support this rule.) Cause: During the decommissioning of a KuduTserver, a rebalance command is executed to migrate the tablets from the decommissioned instance to other KuduTserver nodes in the cluster.

            Help > MapReduce Service > User Guide > MRS Cluster O&M > Adjusting the Capacity of an MRS Cluster
          • Creating a Cluster and Submitting a Job - MapReduce Service

            Creating a Cluster and Submitting a Job - MapReduce Service

            Only letters, numbers, hyphens (-), and underscores (_) are allowed. Default value N/A cluster_type Yes String Explanation The cluster type.

            Help > MapReduce Service > API Reference > API V2 > Cluster Management APIs
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