E-MapReduce Cluster Operation Guide - E-MapReduce
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 ...
E-MapReduce SDK release notes - E-MapReduce
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 ...
MapReduce development manual - E-MapReduce
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
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
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
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
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
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 ...