impala Hive-阿里云

[帮助文档] Dataphin使用Impala数据源连接测试失败报错：“测试连接失败，请确保填写连接信息无误，错误信息：Access denied for user 'hive'@'10.X.X.X' (using password: YES)”[KB:479512]

问题描述Dataphin使用Impala数据源连接测试失败报错：“测试连接失败，请确保填写连接信息无误，错误信息：Access denied for user 'hive'@'10.X.X.X' (using password: YES)”。问题原因元数据库密码不对，或者元数据库端口不通。解决方案确...

E-MapReduce的Impala无法找到Hive新增的表如何解决

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请教一下，hue+sentry+ldap+impala+hive在hue上提交任务hive任务的时候

请教一下，hue+sentry+ldap+impala+hive在hue上提交任务hive任务的时候，使用的是hue的另外一个用户，显示的是hive用户提交的，我想把这个取消，有什么好的方法吗？我只让他显示哪个用户提交到yarn上的，显示是哪个用户

Cloudera-manager(CDH6.3.0)大数据平台搭建一指禅(impala,kudu,hdfs,hive,kafka,yarn,spark,hbase,hue)

Cloudera-manager(CDH6.3.0)大数据平台搭建一指禅指南(impala,kudu,hdfs,hive,kafka,yarn,spark,hbase,hue) CHD6，大量hadoop生态的重大更新升级，果断把现有系统升级到CHD6上。准备： 192.168.88.31 mas...

Impala执行hive中的自定义UDF函数，报错有什么解决办法么

大神们，我使用Impala执行hive中的自定义UDF函数，报错ERROR: AnalysisException: No matching function with signature: default.parse_date(TIMESTAMP, STRING). 我确定hive中存在这个函数，并...

Hadoop大数据平台实战(01)：Impala vs Hive的区别

Hadoop大数据生态系统重要的2个框架Apache Hive和Impala，用于在HDFS和HBase上进行大数据分析。但Hive和Impala之间存在一些差异--Hadoop生态系统中的SQL分析引擎的竞争。本文中我们会来对比两种技术Impala vs Hive区别？ Hive介绍Apache...

impala+hive+hbase

通过HIVE创建hbase的外部表，impala再关联hive进行实时查询，但查询hive关联的hbase表太慢太慢，比impala+kudu要慢10倍左右，就希望能否在hive关联hbase的外部表建立索引，请问如果创建才能生效，提高查询速度？

jdbc impala连接hive

import java.sql.Connection; import java.sql.Driver; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import...

Impala和Hive的关系（详解）

Impala和Hive的关系　　Impala是基于Hive的大数据实时分析查询引擎，直接使用Hive的元数据库Metadata,意味着impala元数据都存储在Hive的metastore中。并且impala兼容Hive的sql解析，实现了Hive的SQL语义的子集，功能还在不断的完善...

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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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