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第四章：线程安全问题
学习目标 1. 什么是线程安全 1.1 线程安全的定义 1.2 线程安全的重要性 2. 共享资源访问的竞态条件 2.1 什么是竞态条件 2.2 竞态条件示例 2.3 竞态条件的类型 读-改-写竞态条件 检查再执行竞态条件 3. 线程安全问题的表现形式 3.1 原子性问题 3.2 可见性问题 3.3 有序性问题 4. 实战案例：商品... -
JDO v JPA : ORM
Relationships There are 2 prevalent specification in the Java ORM world. JDO provides the most complete definition, whilst JPA is the most recent. Relationships In this guide w... -
第一节：Tailwind CSS入门 - 核心理念与工作流
学习目标 Tailwind CSS简介 Tailwind CSS的核心理念 与传统CSS的比较 搭建基础开发环境 Tailwind CSS类名系统解析 实战：复刻GitHub导航栏 分析GitHub导航栏 创建HTML结构 详解关键Tailwind类名 加入GitHub主页内容预览 Tailwind CSS类名详解与关键技术点 响应式设... -
Hadoop Credentials Manager
Configurations Cluster Services Hadoop client configurations Hive metastore configurations Via kyuubi-defaults.conf Via hive-site.xml Via JDBC Connection URL Credentials Rene... -
Writes
Spark Writes To use Iceberg in Spark, first configure Spark catalogs . Some plans are only available when using Iceberg SQL extensions in Spark 3. Iceberg uses Apache Spark’s D... -
Flink Queries
Flink Queries Iceberg support streaming and batch read With Apache Flink ‘s DataStream API and Table API. Reading with SQL Iceberg support both streaming and batch read in Flink... -
Getting Started with Helm
Running Kyuubi with Helm Install Helm Get Kyuubi Started Install the chart Uninstall the chart Configure chart release Access logs Running Kyuubi with Helm Helm is the pa... -
Relation
countBy difference differenceWith unionWith union gt gte intersection lt lte max min propEq sortBy pathEq maxBy minBy equals identical eqBy countBy (a → Stri... -
Structured Streaming
Spark Structured Streaming Iceberg uses Apache Spark’s DataSourceV2 API for data source and catalog implementations. Spark DSv2 is an evolving API with different levels of support... -
Solution for Big Result Sets
Incremental collection Use in single connections Change incremental collection mode in session Typically, when a user submits a SELECT query to Spark SQL engine, the Driver cal...
