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mac下使用brew 安装mongodb的方法教程

mac 系统常用的软件安装工具就是 homebrew个人认为通过brew安装比较简单,下面介绍下如何安装安装 mongodbwenxuezhangdeMacBook-Pro:~ wenxuezhang$ brew install mongodb此图说明已经安装成功,安装的目录就是...

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Getting Started with Apache Flink on MapR Converged Data Platform

Introduction Apache Flink is an open source platform for distributed stream and batch data processing. Flink is a streaming data flow engine with several APIs to create a data streams-oriented...

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Hive和HBase整合

Hive和Hbase有各自不同的特征:hive是高延迟、结构化和面向分析的,hbase是低延迟、非结构化和面向编程的。Hive数据仓库在hadoop上是高延迟的。Hive集成Hbase就是为了使用hbase的一些特性。 Hive继承HBase可以有效利用HBase数据库的存储特性,如行更新和列索引等。在集成的过程中注意维持HBase...

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redis应用之使用sentinel实现主从复制高可用

一、redis的高可用管理工具sentinel介绍 sentinel是一个管理redis实例的工具,它可以实现对redis的监控、通知、自动故障转移。sentinel不断的检测redis实例是否可以正常工作,通过API向其他程序报告redis的状态, 如果redis...

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Cassandra Data Modeling Primary , Clustering , Partition , Compound Keys

In this post we are going to discuss more about different keys available in Cassandra . Primary key concept in Cassandra is different from Relational databases. Therefore it is worth spending time to...

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Neo4j with Scala: Migrate Data from Other Databases to Neo4j [Community Post]

ByAnurag Srivastava, Software Consultant, Knóldus Software | October 18, 2016 [As community content, this post reflects the views and opinions of the particular author and does not necessarily reflect...

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Neo4j Import With R

Below is a quick writeup on how I use R and RNeo4j to munge my data and throw "larger" datasets into Neo4j. In short, I am fairly capable in R, so I prefer to use it to do the heavy lifting. All I am...

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Neo4j Prototyping With Cloud9 And Neogen

Prototype Neo4j Development with Cloud9 and the Graphgen Tool If you have skimmed through some of my other posts on this blog, it's probably not surprising that I love using Neo4j in my projects. While...

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MongoDB+IBM 高性能数据库的新动力

如今,信息科技的迭代速度可以用“月月新、周周新、日日新”来形容。在数据库领域,30年前关系型数据库发展起航,一度受到业界的广泛应用。然而随着现代业务形式的不断变更,用户愈加需要应用灵活的数据库以适应非结构化数据、异构数据等复杂数据类型所带来的挑战,于是,NoSQL数据库应运而生。 MongoDB大中华区副总裁 苏玉龙...

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微服务动态路由实现:OpenResty+K8s

K8sService能够提供很强大的功能,通过提供ClusterIP可以作为Pod的对外访问接口,并提供软负载均衡。但是Service的ClusterIP地址只能在集群内部访问,如何让集群外部的用户访问Service呢,如果选择了NodePort方式对外暴露服务,会造成用户对端口敏感,端口的变化会对用户造成不便,如何既能享受到Service的好处,又不让用户需要敏感内部实现呢?...

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Jumpstart Your Digital Transformation with Hadoop Native SQL Powered by...

Guest author: Jeff Kelly, Data Strategist, Pivotal The phrase “digital transformation” gets bandied about a lot these days, but what exactly does it mean? When you strip away the hyperbole, I believe...

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The Data Day: October 14, 2016

Is Data Platforms and Analytics Poisoning Our Children? For @451Research clients: @MapR layers microservices onto its Converged Data Platform https://t.co/sMcJla1DdI By @jmscrts ― Matt Aslett...

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Redis 的使用简单记录

Redis 介绍 Redis 是一款用 ANSI C 编写的,运行在 POSIX 系统中的,高性能 Key-Value 存储系统。它的 Value 可以是字符串(String),哈希(Map),列表(list),集合(sets)和有序集合(sorted sets)等类型。 Redis 官方文档 Redis 官方文档中文翻译 在 Mac 下安装配置 Redis 服务 输入 brew install...

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Spring-data-redis 的使用记录

开始向导 添加 dependency spring-boot-starter-redis ,它默认使用 jedis (还支持 JRedis,SRP 和 Lettuce) 一个简单的 Hash 示例: @SpringBootApplication public class RedisDemo implements CommandLineRunner { @Autowired private...

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Predict Competition Amongst Undergraduate Institutions Using Neo4j

Predict Competition of Undergraduate Institutions using Neo4j Intro The use of graphs to solve business problems is not new, as companies like Amazon, Netflix, and nearly all major social media sites...

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开始学习 Redis

REmote DIctionary Server(Redis) 是一个由Salvatore Sanfilippo写的key-value存储系统。 Redis是一个开源的使用ANSI C语言编写、遵守BSD协议、支持网络、可基于内存亦可持久化的日志型、Key-Value数据库,并提供多种语言的API。 它通常被称为数据结构服务器,因为值(value)可以是 字符串(String), 哈希(Map),...

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Update on my Cloudant sample XPages application

I made some additions tomy XPages sample app that I am using to understand and demonstrate the usage of IBM Cloudant within XPages. I am not fully there yet where I want to be, but it is a work in...

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hadoop社区支持阿里云OSS 云计算与开源融合的新里程碑

这意味着全球用户在使用hadoop这一开源软件时,都可以无缝连接阿里云的OSS对象存储文件系统。这是继Docker支持阿里云存储以后,又一个更重大的里程碑。 OSS进入hadoop社区后,意味着全球所有的hadoop(HDFS)生态的离线,交互,数据仓库,深度学习等程序在不需要修改代码的情况下,自由读取和写入OSS对象存储,也提升了hadoop社区的覆盖度和竞争力,也给用户提供了一个新的选择。...

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选择合适的数据存储方案

在服务端经常遇到数据存储问题,是采用mysql?Redis?MongoDB?还是ElasticSearch?今天的话题是,我们怎么根据业务场景来选择适合的数据库产品。 MySQL MySQL是一个关系型数据库管理系统,由瑞典MySQL AB 公司开发,目前属于 Oracle 旗下产品。MySQL 是最流行的关系型数据库管理系统之一,在互联网产品中应用比较广泛。...

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Craig Kerstiens: PGConf Silicon Valley - A look at the Postgres themes

PGConf Silicon Valley , November 14-16, is barely under a month away and it’s shaping up to be another great conference this year. Last year we had over 300 attendees to make it one of the larger...

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