Clik here to view.
Using Couchbase NoSQL In A NativeScript Angular 2 Mobile App
Not too long ago I created a Couchbase NoSQL plugin with Mehfuz Hossain from Telerik for the NativeScript framework. Since developing the plugin it has received a lot of positive feedback and great...
View ArticleExplore the latest of Apache Hadoop YARN at Hadoop Summit San Jose 2016
We are right on the verge of some great celebrations of 10 years of Apache Hadoop! Hadoop Summit San Jose 2016 is almost here too marking these celebrations! Held on June 28-30, 2016, it is the event...
View ArticleConvergent Replicated Data Types, Part 2
Convergent Replicated Data Types /2 Following on from my talk at dotScale 2015 where I presented the benefits of an eventually consistent "AP" system using CRDTs versus a strictly consistent "CP"...
View ArticleClik here to view.
Enterprise Grade Backup and Restore Tool in Couchbase Server 4.5
The enterprise grade backup and restore tool, cbbackupmgr, provides a high performance, consistent, reliable and secure solution for backing up and restoring business critical data for enterprise...
View ArticleClik here to view.
The Hadoop Phenomenon
Periodically, we turn over control of the CenturyLink Cloud blog to members of our certified technology Ecosystem to share how they leverage our platform to enable customer success. This week’s guest...
View ArticleTuning guide for MongoDB on IBM Power Systems
MongoDB, which is a document-oriented NoSQL database, runs well on IBM Power Systems using a default environment. However, you can achieve optimal performance on Power Systems, by tuning several...
View ArticleStreaming ETL for All
Real-time stream analysis starts with ingesting raw data and extracting structured records. While stream-processing frameworks such as Apache Spark and Apache Storm provide primitives for processing...
View ArticleClik here to view.
Spark源码编译并在YARN上运行WordCount实例
在学习一门新语言时，想必我们都是”Hello World”程序开始，类似地，分布式计算框架的一个典型实例就是WordCount程序，接触过Hadoop的人肯定都知道用MapReduce实现WordCount，当前内存分布式计算框架Spark因为其计算速度之快，并且可以部署到Hadoop...
View ArticleYARN加载本地库抛出Unable to load native-hadoop library解决办法
用官方的Hadoop 2.1.0-beta安装后，每次hadoop命令进去都会抛出这样一个Warning WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable 设置logger级别，看下具体原因...
View ArticleMy Big Data Journey
Everyone’s Big Data journey starts somewhere. We’re often given stories of outright mastery, but I want to tell you how I got started with Big Data. Each of these stories about mastery forget or omit...
View ArticleBusiness Catalog Why Do You Need One for Hadoop?
Water, water everywhere, Nor any drop to drink These lines from “The Rime of the Ancient Mariner,” by Samuel Taylor Coleridge also accurately describe the companies that are trying to transform...
View ArticleIntegrating Apache Spark into your existing Hadoop system Part I
As evidenced by our previous blog post, Statistics is Eating the World , data is at the very center of Wealthfront’s values. AtWealthfront, fields ranging from research, analytics to marketing, client...
View ArticleClik here to view.
高并发场景：下单后定时发短信的问题
问题描述： 让您做一个电商平台，您如何设置一个在买家下订单后的”第60秒“发短信通知卖家发货，您需要考虑的是 像淘宝一样的大并发量的订单。 从广大网友集思广益，有两种主流思路如下： 1、具有排序功能的队列 2、Redis+定时器 思路 1...
View ArticleMongoDB复制集之将现有的单节点服务器转换为复制集
服务器情况: 现有的单节点 Primary 192.168.126.9:27017 新增的节点 Secondry 192.168.126.8:27017 仲裁节点 ARBITER 192.168.126.8:27018 mongo 版本 3.2.4 1.停止单节点Primary的Mongo服务 1 > use admin; 2 switched to db admin 3 >...
View ArticleMariaDB Galera Cluster 10.0.25 发布
MariaDB Galera Cluster 10.0.25 发布了，MariaDB Galera Cluster 是一个用于同步MariaDB 数据库的多 master 集群的工具。在数据方面完全兼容 MariaDB 和 mysql。 特性： 同步复制 Synchronous replication Active-active multi-master 拓扑逻辑 可对集群中任一节点进行数据读写...
View ArticleCouchDB Weekly News, April 7, 2016
Results of the 2016 Apache CouchDB Survey The responses from the 2016 survey on CouchDB have been collected and sorted and you can review the executive summary of responses , as well as the raw...
View ArticleNDP Episode #5: Big Data and Where it Fits with NoSQL
I am pleased to announce that the fifth episode of the NoSQL Database Podcast, sponsored byCouchbase, has been published to the popular podcasting outlets. The episode titled Big Data and Where it...
View ArticleClik here to view.
Miles to go ... - Arun Gupta: Kubernetes Cluster on Azure and Expose...
This blog is part of a multi-partblog series that shows how to run your applicationson Kubernetes. It will use the Couchbase , an open source NoSQL distributed document database, as theDocker...
View ArticleClik here to view.
Couchbase Weekly, June 2 2016
Learn what's latest in theCouchbase Community. Let us know if we missed anything at @couchbasedev , @couchbase or #Couchbase . Highlights Events Conferences: June 6 - 8: Spark Summit , San Francisco...
View ArticleClik here to view.
How-to: Detect and Report Web-Traffic Anomalies in Near Real-Time
This framework based on Apache Flume, Apache Spark Streaming, and Apache Impala (incubating) can detect and report on abnormal bad HTTP requests within seconds. Website performance and availability are...
View Article