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第五章：synchronized关键字
学习目标 1. 对象锁与类锁的概念 1.1 对象锁（实例锁） 1.2 类锁（静态锁） 1.3 对象锁与类锁的对比 2. synchronized修饰方法与代码块的区别 2.1 修饰方法 vs 修饰代码块 2.2 不同锁对象的选择 3. synchronized的底层实现原理 3.1 Monitor监视器 3.2 字节码层面的实现 3.3 ... -
Java Custom Catalog
Custom Catalog It’s possible to read an iceberg table either from an hdfs path or from a hive table. It’s also possible to use a custom metastore in place of hive. The steps to do... -
Edit the Host File
Using a text editor, open the hosts file on every host in your cluster. For example: vi / etc / hosts Add a line for each host in your cluster. The line should consist of... -
HTTP Protocol
HTTP Protocol HTTP Consumer HTTP Producer Using Curl Command Publish Subscribe HTTP Protocol EventMesh SDK for Java implements the HTTP producer and consumer of asynchronou... -
Number
_.clamp(number, [lower], upper) Since Arguments Returns Example _.inRange(number, [start=0], end) Since Arguments Returns Example _.random([lower=0], [upper=1], [floati... -
编辑网络配置文件
使用文本编辑器打开每台主机上的网络配置文件，并为每台主机设置所需的网络配置。例如： vi / etc / sysconfig / network 修改 HOSTNAME 属性以设置完全限定域名。 NETWORKING = yes HOSTNAME =< fully . qualified . domain . name > -
Commands mapping
Redis or Valkey command Sync / Async APIRedisson.create(config) Reactive APIredisson.reactive() RxJava3 APIredisson.rxJava() AUTH Config.setPassword() - - APPEND ... -
gRPC Protocol
gRPC Protocol gRPC Consumer Stream Consumer Webhook Consumer gRPC Producer Asynchronous Producer Synchronous Producer Batch Producer gRPC Protocol EventMesh SDK for Java ... -
Set the Hostname
Confirm that the hostname is set by running the following command: hostname - f This should return the <fully.qualified.domain.name> you just set. Use the “hostname” c... -
Gobblin Metrics Performance
Generalities How to interpret these numbers What if I need larger QPS? Update Metrics Performance Multiple metric updates per iteration Multi-threading Running Performance Tes...
