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CY14-Q1 Community Analysis — OpenStack vs OpenNebula vs Eucalyptus vs CloudStack

This article is an update version of my previous article CY13-Q4 Community Analysis — OpenStack vs OpenNebula vs Eucalyptus vs CloudStack. Readers who are intested in further discussions please contac
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qyjohn 2014-04-14 15:46 | 查看: 11330

CY13-Q4 Community Analysis — OpenStack vs OpenNebula vs Eucalyptus vs CloudStack

This article is an update version of my previous article CY13-Q3 Community Analysis — OpenStack vs OpenNebula vs Eucalyptus vs CloudStack. Readers who are intested in further discussions please contac
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qyjohn 2014-01-02 21:39 | 查看: 4763

Spark vs Hadoop – Updated Version

Databricks recently posted a blog entry Spark Breaks Previous Large-Scale Sort Record, with some claimed breakthroughs in large scale sorting. This blog post said:

“The previous world record wa
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qyjohn 2014-10-12 09:42 | 查看: 2938

CY15-Q1 Community Analysis — OpenStack vs OpenNebula vs Eucalyptus vs CloudStack

This article is an update version of my previous article CY14-Q1 Community Analysis — OpenStack vs OpenNebula vs Eucalyptus vs CloudStack. Readers who are intested in further discussions please contac
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qyjohn 2015-04-04 12:19 | 查看: 1835

Distributed File System on Amazon Linux — MooseFS

[Introduction]

This article provides a quick started guide on how to set up and configure MooseFS on Amazon Linux. Two EC2 instance are being launched to accomplish this goal. On both EC2 instances,
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qyjohn 2015-05-13 06:40 | 查看: 1699

SSL Connection to RDS Instances in phpMyAdmin

Setting up SSL connection between phpMyAdmin and the RDS MySQL server is quite straight forward. Below is a demo setup on Amazon Linux with phpMyAdmin 4.4.14. The web server is Apache with PHP 5.

Fir
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qyjohn 2015-09-01 06:56 | 查看: 1582

Full Text Search: Sphinx on Ubuntu 14.04

Below is some quick notes on how to setup a simple PHP based website with full text search capability. The content to be searched is stored in a MySQL database, and the full text search engine is Sphi
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qyjohn 2014-12-05 04:08 | 查看: 1440

从微观经济学看云计算市场发展

我和悉尼大学信息技术学院Young Choon Lee、Albert Y. Zomaya最近完成了一篇题为Price Elasticity of  the Enterprise Computing Resource Market的文章。基于2006到2013年的历史市场数据,我们从微观经济学的角度分析了企业计算资源市场的供需关系。原文已经投稿给IEEE Cloud Computing Magazi
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qyjohn 2014-08-17 07:01 | 查看: 1390

Building a scalable web application from ground zero

This is an entry level tutorial for engineers who wish to build a scalable web application but do not know how to get started. The demo application takes advantage of the various services offered by A
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qyjohn 2015-02-04 05:48 | 查看: 1378

从王博士说起

不知道为啥,最近几天频繁看到关于王博士的文章,便有了一些从王博士说起的思绪。认真说来,我与王博士不算熟悉,将来也不会有深入交流的机会。因此,这篇文章与其说是谈王博士,不如说是以王博士为引子谈一谈云计算。

如果Google没有搞错的话,王博士是2008年加盟阿里的。在这之前,我对阿里的唯一印象,却是下面的这一桩小事。

2007年5 月,阿里在杭州举办首届中国网络工程师侠客行大会。一位名为Andy
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qyjohn 2013-12-25 21:58 | 查看: 1359

Getting Started with AWS SDK for Java (2)

This is the 2nd part of my tutorial on “Getting Started with AWS SDK for Java”. If you have not already do so, I suggest that you first take a look at the first chapter of this set of trai
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qyjohn 2015-06-11 10:24 | 查看: 1328

Multi Node Condor and Pegasus on Ubuntu 12.04 on AWS EC2

Recently I need to do some experiments with the Montage astronomical image mosaic engine, using Pegasus as the workflow management system. This involves setting up a condor cluster and Pegasus on the
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qyjohn 2014-06-24 20:24 | 查看: 1311

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