Hive执行引擎-阿里云

配置Hive使用Spark执行引擎

Hive引擎概述在Hive中，可以通过配置来指定使用不同的执行引擎。Hive执行引擎包括：默认MR、tez、spark MapReduce引擎：早期版本Hive使用MapReduce作为执行引擎。MapReduce是Hadoop的一种计算模型，它通过将数据划分为小块并在集群上并行处理来完成计算...

Hive----执行引擎

Hive引擎包括：默认MR、spark、tezHive on Spark：Hive既作为存储元数据又负责SQL的解析优化，语法是HQL语法，执行引擎变成了Spark，Spark负责采用RDD执行。Spark on Hive：Hive只作为存储元数据（提供数据源），Spar...

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技本功|Hive优化之Spark执行引擎参数调优（二）

Hive是大数据领域常用的组件之一，主要是大数据离线数仓的运算，关于Hive的性能调优在日常工作和面试中是经常涉及的的一个点，因此掌握一些Hive调优是必不可少的一项技能。影响Hive效率的主要有数据倾斜、数据冗余、job的IO以及不同底层引擎配置情况和Hive本身参数和HiveSQL的执行等因素。...

连接hive，hive执行引擎是 MR 还是 Flink ？

转自钉钉群21789141：连接hive，hive执行引擎是 MR 还是 Flink ？

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更新时间 2024-02-05 16:41:57

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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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立即开通

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优惠活动

StarRocks 免费试用

产品入门

快速入门指导

常见问题

最佳实践

EMR实时计算实践