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Creating your first interoperable table
Creating your first interoperable table Using Apache XTable™ (Incubating) to sync your source tables in different target format involves running sync on your current dataset usi... -
Procedures
Spark Procedures To use Iceberg in Spark, first configure Spark catalogs . Stored procedures are only available when using Iceberg SQL extensions in Spark 3. Usage Procedures c... -
升级
我们建议在升级之前备份数据库和配置文件。通常情况下，我们保证升级不会影响现有数据。 备份数据意味着即使升级失败或者你不想使用高级版本，你也有回滚的选择。 Docker Compose 如果你使用 Docker Compose 安装 Answer，升级非常简单。 docker - compose pull docker - compose ... -
orm DTD/XSD
JDO defines XML MetaData in jdo files as well as orm files. As always with XML, the metadata must match the defined DTD/XSD for that file type. This section describes the conten... -
Flink Writes
Flink Writes Iceberg support batch and streaming writes With Apache Flink ‘s DataStream API and Table API. Writing with SQL Iceberg support both INSERT INTO and INSERT OVERWRIT... -
Kyuubi v.s. HiveServer2
Introduction Hive on Spark Differences Between Kyuubi and HiveServer2 Performance References Introduction HiveServer2 is a service that enables clients to execute Hive QL qu... -
第一章：多线程入门
学习目标 1. 什么是线程与多线程 1.1 线程的概念 1.2 多线程的概念 2. 为什么需要多线程编程 2.1 提高CPU利用率 2.2 提高程序响应性 2.3 更好的资源利用 2.4 简化复杂问题的处理 3. Java中实现多线程的两种基本方式 3.1 继承Thread类 3.2 实现Runnable接口 3.3 两种方式的比较 ... -
Hive Metastore
Syncing to Hive Metastore This document walks through the steps to register an Apache XTable™ (Incubating) synced table on Hive Metastore (HMS). Pre-requisites Source table(s) ... -
jdoquery DTD/XSD
JDO defines XML MetaData in jdo files as well as orm files, but also specifies that named queries can be defined in jdoquery files. As always with XML, the metadata must match t... -
JVM 监控
进程级监控 埋点方式 本讲介绍JVM监控相关知识。 进程级监控 Java类的程序，如果只是监控端口存活性，可以直接使用 Categraf 的 net_response 插件，如果只是监控进程存活性，以及进程的CPU、内存等使用率，这个和C的程序、Go的程序没有本质区别，使用 Categraf 的 procstat 插件。 procstat 插...
