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Troubleshooting
Writing Tables org.apache.parquet.io.InvalidRecordException: Parquet/Avro schema mismatch: Avro field ‘col1’ not found java.lang.UnsupportedOperationException: org.apache.parquet.... -
2.2. How To Use Spark Adaptive Query Execution (AQE) in Kyuubi
How To Use Spark Adaptive Query Execution (AQE) in Kyuubi The Basics of AQE Dynamically Switch Join Strategies Dynamically Coalesce Shuffle Partitions Other Tips for Best Practise... -
2. Getting Started With Kyuubi and DBeaver
Getting Started With Kyuubi and DBeaver What is DBeaver Preparation Get DBeaver and Install Get Kyuubi Started Configurations Start DBeaver Select a database Edit the Driver ... -
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... -
Clustering
Background How is compaction different from clustering? Clustering Architecture Overall, there are 2 steps to clustering Schedule clustering Execute clustering Clustering Use... -
Java API
Tables Table metadata Scanning File level Transactions Types Primitives Nested types Expressions Expression binding Expression example Modules Tables The main purpose... -
Alert SPI
DolphinScheduler Alert SPI 主要设计 DolphinScheduler SPI 设计 主要模块 Alert SPI 主要类信息： Alert SPI 内置实现 DolphinScheduler Alert SPI 主要设计 DolphinScheduler SPI 设计 DolphinScheduler 正在处于微内... -
HTTP Connector
HTTP 异步写入 Apache StreamPark™ 方式写入 http异步写入支持类型 http异步写入配置参数列表 http异步写入数据 其他配置 一些后台服务通过 HTTP 请求接收数据，这种场景下 Apache Flink 可以通过 HTTP 请求写入结果数据，目前 Apache Flink 官方未提供通过 HTTP 请求写入 数据... -
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... -
升级步骤
DolphinScheduler 升级 准备工作 检查不向前兼容的更改 备份上一版本文件和数据库 下载新版本的安装包 升级步骤 停止 dolphinscheduler 所有服务 数据库升级 资源迁移 示例： 服务升级 修改 bin/env/install_env.sh 配置内容 注意事项 worker 分组的区别（以 1.3.1 版本...
