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Spring Data Redis 让 NoSQL 快如闪电(2)

【编者按】本文作者为 Xinyu Liu,文章的 第一部分 重点概述了 Redis 方方面面的特性。在第二部分,将介绍详细的用例。文章系国内ITOM 管理平台OneAPM 编译呈现。 把 Redis 当作数据库的用例 现在我们来看看在服务器端Java 企业版系统中把 Redis 当作数据库的各种用法吧。无论用例的简繁,Redis 都能帮助用户优化性能、处理能力和延迟,让常规 Java...

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Hibernate注解-类级别注解

Hibenate注解使用注解的目的:为了简化繁琐的ORM映射文件(*.hbm)的配置JPA 全程Java Persistence...

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Run Hadoop Cluster in Docker Update

Abstract:Last year, I developed kiwenlau/hadoop-cluster-docker project, which aims to help user quickly build Hadoop cluster on local host using Docker . The project is quite popular with 250+ stars...

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DBA Move master Database to another drive in simple steps

Well, there are times when you want to move your master database from the default location to some other drive. Now this activity cannot be done with the normal ALTER DATABASE statement with MODIFY...

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如何使用容器实现生产级别的MongoDB sharding集群的一键交付

作者介绍 > 魏世江...

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Twitter Stickers for photos to add flare to your timeline soon

Twitter on Monday introduced a new “#Stickers” feature for photos that will allow users to spice up their media with an ever-changing set of stickers. It’s a feature I wasn’t aware anyone was actually...

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How Redis and Mirantis Use Cloud Foundry to be Hands-Off and Highly Available

Developing applications today requires not only a flexible approach, but a willingness to embrace new technology, infrastructure, and workflows. As platforms such as Cloud Foundry have become more...

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Git 项目推荐 | 基于 J2Cache 的多级缓存框架

基于j2cache的理念,重新设计开发的一套分布式缓存。支持2级并不限于2级的多级缓存系统。 github地址: atoms 配置文件 <?xml version="1.0" encoding="UTF-8"?> <atoms> <broadcast type="redis" > <broadcastConfig host="192.168.1.53"...

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11 Hadoop deployments and use cases in the enterprise

Here are a handful of companies using the increasingly popular Hadoop technology for big data projects Analyst house Forrester now saysenterprise adoption of Hadoop is "mandatory", so any business that...

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Big data: Can it predict the spread of Zika? Cloudera thinks so

"Big data" means different things to different people. Ask the average consumer and they'll probably say it's something to do with the cloud. Ask a business owner and you'll hear about detailed...

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baeldung - Coding and Testing Stuff: Multiple Buckets and Spatial View...

1. Introduction In this third tutorial on Spring Data Couchbase, we demonstrate the configuration required to support a Couchbase data model that spansmultiple buckets, and we introduce the use of...

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Create a Simple Cassandra Cluster With 3 Nodes

Create a Simple Cassandra Cluster With 3 Nodes Tags :Cassandra cluster Database Category :How-to Get Social! Apache Cassandra is a massively scalable open source NoSQL database. Cassandra is built from...

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MongoDB launches Atlas to manage deployments: Taking the Ops out of DevOps

MongoDB is launching Atlas, the company's first DBaaS, offering easy management of instances - initially on AWS, but soon to come to Azure and Google Cloud Platform. The service intends to alleviate...

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MongoDB SaaS Version, Native Spark Connector Unveiled

NoSQL database MongoDB is adding a new cloud-based elastic SaaS version to its delivery options. The company is also announcing a native connector to Apache Spark during its MongoDB World event. 9 Tech...

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TimesTen数据库复制学习:9.更改ActiveStandbyPair

在Active Standby Pair中复制DDL语句在以下的例子中,active master为cachedb2, standby master为cachedb1数据库对象">在Active Standby Pair复制数据库对象DDLReplicationLevel 连接属性可以控制复制对象的行为。DDLReplicationLevel = 1:不复制表,索引和同义词的create 和...

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mongodb去除重复的数据

今天出现了一个新的需求,有个部门需要拿到mongodb中的数据,要求去掉其中一个字段内容相同的数据。虽然mongodb中有distinct来去重,但是和mysql的distinct不同的是,mysql中能用distinct *...

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MyBatis入门第2天--MyBatis基础知识(二)

文档版本 开发工具 测试平台 工程名字 日期 作者 备注 V1.0 2016.06.26 lutianfei none mybatis开发dao的方法SqlSession使用范围SqlSessionFactoryBuilder通过SqlSessionFactoryBuilder创建会话工厂SqlSessionFactory...

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Stream Processing Hard Problems Part 1: Killing Lambda

We live in an age where we want to know relevant things happening around the world as soon as they happen; an age where digital content is updated instantly based on our likes and dislikes; an age...

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MongoDB offers cloud overflow scaling with Atlas database as service

MongoDB unveiled a database as a service, Atlas, at its annual developer conference in New York City on 28 June. The Atlas service is available now to MongoDB users internationally. It will start out...

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构建一个混合的费用跟踪应用程序

在构建 REST 应用程序时,如果使用某个工具来实现 API 组成和数据连接,可以提高您的工作效率。通过这种方式,您可以将更多的精力集中在应用程序的业务逻辑和用户体验上。 在本教程中,您将构建一个工作应用程序来了解如何使用来自 StrongLoop(IBM的一家子公司)的 API 开发工具。借助开源 LoopBack 框架(该框架构建于 Node.js 之上),您可以轻松地以可视方式开发可扩展的...

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