10 2018 档案

Servlet - Reasource loading
摘要：1. Load db3.properties 2. Load db4.properties 3. Load db2.properties 4. Load db1.properties 在客户端缓存Servlet的输出: 多个Servlet通过ServletContext对象实现数据共享 在web.x 阅读全文
posted @ 2018-10-31 09:25 iDragon 阅读(291) 评论(0) 推荐(0)
Domain Driven Design
摘要：Domain Driven Design and Development In Practice Domain Driven Design and Development In Practice 原文地址：http://www.infoq.com/articles/ddd-in-practice B 阅读全文
posted @ 2018-10-30 21:11 iDragon 阅读(474) 评论(0) 推荐(0)
Akka - Basis for Distributed Computing
摘要：Some concepts as blow: Welcome to Akka, a set of open-source libraries for designing scalable, resilient systems that span processor cores and network 阅读全文
posted @ 2018-10-30 09:10 iDragon 阅读(290) 评论(0) 推荐(0)
Storm-Concept
摘要：1. Storm集群架构 Storm适用的场景： 1、流数据处理：Storm可以用来用来处理源源不断的消息，并将处理之后的结果保存到持久化介质中。 2、分布式RPC：由于Storm的处理组件都是分布式的，而且处理延迟都极低，所以可以Storm可以做为一个通用的分布式RPC框架来使用。 Nimbus: 阅读全文
posted @ 2018-10-26 17:13 iDragon 阅读(187) 评论(0) 推荐(0)
Spring-Integration
摘要：Many frameworks or middlewares have the same concept and desgin principle. EIP： Flume: Storm: Spring: Netty: Spark: Flink: 阅读全文
posted @ 2018-10-25 15:33 iDragon 阅读(458) 评论(0) 推荐(0)
Spring Tech
摘要：1.Spring中AOP的应用场景、Aop原理、好处？ 答：AOP--Aspect Oriented Programming面向切面编程；用来封装横切关注点，具体可以在下面的场景中使用: Authentication 权限、 Caching 缓存、 Context passing 内容传递、 Err 阅读全文
posted @ 2018-10-25 14:34 iDragon 阅读(314) 评论(0) 推荐(0)
Maven-pom-configuration
摘要：Maven Wrapper mvn -N io.takari:maven:wrapper -Dmaven=3.1.0 mvn -N io.takari:maven:wrapper -Dmaven=3.1.0 . /mvnw clean install /mvnw clean install 阅读全文
posted @ 2018-10-24 09:02 iDragon 阅读(4082) 评论(0) 推荐(0)
ThreadLocal
摘要：1. The ThreadLocal object is created in the normal method or class which will be accesed by multi-thread. 2. The object of ThreadLocal<T> will store d 阅读全文
posted @ 2018-10-19 13:35 iDragon 阅读(256) 评论(0) 推荐(0)
Flink Flow
摘要：1. Create environment for stream computing 2. Now we need to add the data source for further computing 3. The data from data source will be streamed i 阅读全文
posted @ 2018-10-18 14:40 iDragon 阅读(445) 评论(0) 推荐(0)
Excellent JD
摘要：Job description Job description About the role We are looking for a talented engineer who has excellent cloud skills, but ideally would also have embe 阅读全文
posted @ 2018-10-18 08:59 iDragon 阅读(279) 评论(0) 推荐(0)
Storm Flow
摘要：A Stream represents the core data model in Trident, and can be thought of as a "stream" of tuples that are processed as a series of small batches. A s 阅读全文
posted @ 2018-10-17 16:42 iDragon 阅读(209) 评论(0) 推荐(0)
Fundmentals in Stream Computing
摘要：Spark programs are structured on RDDs: they invole reading data from stable storage into the RDD format, performing a number of computations and data 阅读全文
posted @ 2018-10-17 10:04 iDragon 阅读(239) 评论(0) 推荐(0)
SpringBoot - Starter
摘要：If you work in a company that develops shared libraries, or if you work on an open-source or commercial library, you might want to develop your own au 阅读全文
posted @ 2018-10-15 11:10 iDragon 阅读(302) 评论(0) 推荐(0)
Generic/Template Programming in Flink
摘要：Generic/Template Programming in Flink SourceFunction<T> AsyncFunction<IN, OUT> 阅读全文
posted @ 2018-10-12 17:38 iDragon 阅读(269) 评论(0) 推荐(0)
Talks on C/S - B/S
摘要：Talks on C/S - B/S 阅读全文
posted @ 2018-10-12 16:27 iDragon 阅读(102) 评论(0) 推荐(0)
Thrift-RPC client in Flume
摘要：Get RpcClient from RpcClientFactory with Reflection programming Message or Event definition in Flum public interface Event { /** * Returns a map of na 阅读全文
posted @ 2018-10-12 11:12 iDragon 阅读(332) 评论(0) 推荐(0)
Aysnc-callback with future in distributed system
摘要：Aysnc-callback with future in distributed system 阅读全文
posted @ 2018-10-12 10:36 iDragon 阅读(111) 评论(0) 推荐(0)
Common in Hardware & Software
摘要：A lot of common in Hardware programming & Software Programming 阅读全文
posted @ 2018-10-12 10:30 iDragon 阅读(91) 评论(0) 推荐(0)
Avro-RPC client in Flume
摘要：Avro used in Flume Define the interface of RpcClient Define Avro RpcClient extending from RpcClient, using Netty as socket communication. /** * A Nett 阅读全文
posted @ 2018-10-12 10:28 iDragon 阅读(386) 评论(0) 推荐(0)
Flink -- Java Generics Programming
摘要：Flink uses a lot of generics programming, which is an executor Framework with cluster of executor having a lot of thread for task by RPC communication 阅读全文
posted @ 2018-10-06 15:49 iDragon 阅读(259) 评论(0) 推荐(0)