Witryna4 sty 2024 · 一、Impala概述什么是Impala?Impala是用于处理存储在Hadoop集群中的大量数据的MPP(大规模并行处理)SQL查询引擎。它是一个用C ++和Java编写的开源软件。 与其他Hadoop的SQL引擎相比,它提供了高性能和低延迟。换句话说,Impala是性能最高的SQL引擎(提供类似RDBMS的体验),它提供了访问存储在Hadoop分布式 ... WitrynaImpala has a very efficient run-time execution framework, inter-process communication, parallel processing and metadata caching. Impala has been shown to have a performance lead over Hive by benchmarks of both …
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