mapreduce集群spark 的相关内容

[帮助文档] 迁移Hadoop集群至DataLake集群

本文将详细阐述如何将您已有的旧版数据湖集群（Hadoop），高效地迁移至数据湖集群（DataLake），以下分别简称“旧集群”和“新集群”。迁移过程将充分考虑旧集群的版本、元数据类型以及存储方式，并针对这些因素，提供适应新集群的迁移策略与步骤。

[帮助文档] 使用CreateCluster创建集群

CreateCluster用于创建一个新的集群。在实际操作中，调用CreateCluster API接口以构建新集群的过程涉及众多参数，其中尤以Applications服务列表及其关联的ApplicationConfigs配置项最为复杂和关键。本文将对CreateCluster API中的核心参数进...

Hadoop 分布式计算框架 MapReduce

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[帮助文档] 查看集群资源概览

EMR弹性伸缩功能提供集群资源变化分析和弹性伸缩规则推荐。本文为您介绍如何在EMR控制台查看集群资源概览。

[帮助文档] 查询高安全集群数据

如果您所使用的数据集群开启了Kerberos身份认证，那么在查询高安全集群数据时，您需要使用正确的Kerberos凭证进行身份验证。为了确保您具有合适的权限来访问数据，建议您按照本文的操作步骤来配置StarRocks集群。

[帮助文档] Presto集群的admin用户密码是什么

在访问Presto UI和提交Presto作业之前，您必须为集群设置管理密码。本文为您介绍如何为集群配置管理密码。

E-MapReduce集群内如何用Spark连接Lindorm

在E-MapReduce集群内运行Spark GraphX作业

Spark GraphX是一个比较流行的图计算框架，如果你使用了阿里云的E-MapReduce服务，可以很方便的运行图计算的作业。下面以PageRank为例，看看如何运行GraphX作业。这个例子来自Spark官方的example（examples/src/main/scala/org/apach...

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开源大数据平台 E-MapReduce

开源大数据平台 E-MapReduce（简称“EMR”）是云原生开源大数据平台，向客户提供简单易集成的Hadoop、Hive、Spark、Flink、Presto、ClickHouse、StarRocks、Delta、Hudi等开源大数据计算和存储引擎服务。

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