实时数仓 Hologres查询外部表的相关内容

[帮助文档] MaxCompute加速查询

Hologres支持使用创建外部表的方式实现MaxCompute数据加速查询，当数据规模较大时（超过200 GB），您也可以将MaxCompute数据导入Hologres进行查询以获得更好的查询性能。

Hologres独享实例可以加速查询 MaxCompute 嘛？共享集群（湖仓加速版）只支持外部表？

Hologres独享实例可以加速查询 MaxCompute 嘛？共享集群（湖仓加速版）只支持外部表？是这样吗？

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[帮助文档] MaxCompute存储服务升级公告_实时数仓 Hologres(Hologres)

尊敬的Hologres用户：MaxCompute存储服务将于北京时间2023年8月起逐步升级表的分桶存储元数据格式（包括Hash Clustering和Range Clustering），届时Hologres低于V1.3.49版本的实例将无法正确解析新格式数据，有可能出现数据读取不准确的情况。202...

[帮助文档] 通过Hologres加速查询OSS数据湖_实时数仓 Hologres(Hologres)

基于阿里云数据湖构建（Data Lake Formation，DLF）和对象存储（Object Storage Service，OSS）推出的Hologres数据湖加速服务，提供了灵活的数据访问和分析能力以及高效的数据处理能力，显著加快了对OSS数据湖的查询和分析过程。

[帮助文档] Hologres和MaxCompute搭建离线数据大屏_实时数仓 Hologres(Hologres)

本文以GitHub公开事件数据为例，为您介绍使用Hologres加速查询MaxCompute，并对接BI分析工具（本文以DataV为例），实现实时分析离线数据的通用架构与核心步骤。

请问下Hologres，湖仓加速版查询maxcompute外部表，有什么优化途径吗？

请问下Hologres，湖仓加速版查询maxcompute外部表，sql查询时长1-4秒不等，有什么优化途径吗？

[帮助文档] 如何根据业务查询场景设置合适的表属性_实时数仓 Hologres(Hologres)

Hologres支持设置多种表属性，不同的表属性有不同的特性。本文为您介绍如何根据业务查询场景设置合适的表属性，从而使查询在执行过程中扫描数据量更少、访问文件数更少、产生更少的I/O次数，进而使得查询更快、查询QPS更高。

在 Hologres 中如何优化查询 MaxCompute 外部表数据的语句？

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更新时间 2024-03-28 13:11:16

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