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Design & Concepts
How does Hudi ensure atomicity? Does Hudi extend the Hive table layout? What concurrency control approaches does Hudi adopt? Hudi’s commits are based on transaction start time i... -
Flink Getting Started
Preparation when using Flink SQL Client Flink’s Python API Adding catalogs. Catalog Configuration Hive catalog Creating a table Writing Branch Writes Reading Type conversi... -
PostgreSQL
Support Those Engines Using Dependency For Spark/Flink Engine For SeaTunnel Zeta Engine Key Features Description Supported DataSource Info Database Dependency Data Type Map... -
7.13 Sharing HTML output on the web
R-specific services Static website services One appealing aspect of rendering R Markdown to HTML files is that it is very easy to host these files on the Internet and share them... -
Troubleshooting
Writing Tables org.apache.parquet.io.InvalidRecordException: Parquet/Avro schema mismatch: Avro field ‘col1’ not found java.lang.UnsupportedOperationException: org.apache.parquet.... -
Platform Installation Introduction
Platform Installation Introduction Purpose and Scope Target Audience System Requirements Hardware Requirements Software Requirements Pre-installation Preparation Download & C... -
GitHub 趋势日报 (2025年05月14日)
📈 今日整体趋势 Top 10 📊 分语言趋势 Top 5 C++ C Swift Go Python C Dart Ruby PowerShell Java PHP MDX Kotlin JavaScript HTML Markdown Vim Script Rust Lua TypeScript Dockerfi... -
扩/缩容
DolphinScheduler扩容/缩容 文档 1. DolphinScheduler扩容文档 1.1. 基础软件安装(必装项请自行安装) 1.2. 获取安装包 1.3. 创建部署用户 1.4. 修改配置 1.4. 重启集群&验证 2. 缩容 2.1 停止缩容节点上的服务 2.2 修改配置文件 DolphinScheduler扩容/... -
Clustering
Background How is compaction different from clustering? Clustering Architecture Overall, there are 2 steps to clustering Schedule clustering Execute clustering Clustering Use... -
SQL DDL
Spark SQL Create table Create non-partitioned table Create partitioned table Create table with record keys and ordering fields Create table from an external location Create Ta...
