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E-MapReduce Cluster Operation Guide - E-MapReduce Documentation
This document provides instructions on how to operate E-MapReduce clusters. Note: In E-MapReduce cluster version that is 3.2 on the Web interface of E-MapReduce. The operation procedure for each service are similar. Here, we take HDFS as an example to ...
Whether E-MapReduce provides real-time computing - E-MapReduce Documentation
Currently, E-MapReduce provides three real-time computing services: Spark Streaming, Storm ...
E-MapReduce SDK release notes - E-MapReduce Documentation
E-MapReduce SDK release notesDescription emr-core package: implements interaction between Hadoop/Spark and OSS data sources. It native Snappy files. Now, E-MapReduce supports processing files archived in OSS in Snappy format by Log Service. Solve the problem ...
Hadoop MapReduce Job Configuration - E-MapReduce Documentation
Procedure Log on to the Alibaba Cloud E-MapReduce Console. At the top of the navigation job in E-MapReduce, in the Content field, enter the following content: /path/to/hadoop-mapreduce-client-jobclient ...
MapReduce development manual - E-MapReduce Documentation
respectively oss://emr/data/WordCount/Input and oss://emr/data/WordCount/Output. Create the following job in E-MapReduce Job: Create the execution plan. Use E-MapReduce to create the job plan, then add the created job to the execution plan. Select Run Now as ...
Table mangement - E-MapReduce Documentation
E-MapReduce 2.4.0 and later versions support central metadata management. In the versions earlier than E-MapReduce 2.4.0, all clusters use the local MySQL database as the Hive metadatabase. In E-MapReduce 2.4.0 and later versions ...
What is EMR - E-MapReduce Documentation
Alibaba Cloud Elastic MapReduce (E-MapReduce) is a system solution for big data processing that runs on the Alibaba Cloud platform. E-MapReduce is built on Alibaba Cloud Elastic Compute Service (ECS) and is based on open-source Apache ...
Create a cluster - E-MapReduce Documentation
Log on to the Alibaba Cloud E-MapReduce console. Complete RAM authorization. For procedure, see Role steps: Software configuration Configuration description: EMR version: The main version of E-MapReduce ...
Cluster alarm management - E-MapReduce Documentation
To help you monitor the operation of clusters, CloudMonitor offers multiple monitoring metrics for E-MapReduce deal with the problem in time. Configure alarm rules To set up alarm rules for E-MapReduce cluster, take the ...
Role authorization - E-MapReduce Documentation
When a user activates the E-MapReduce service, a system default role named AliyunEMRDefaultRole must be granted to the E-MapReduce service account. If the role is assigned correctly, E-MapReduce can then properly call relevant services (such ...