StuffTheInternetSaysOnScalabilityForMay2nd, 2014 Hey, it's HighScalability time:
Google's new POWER8server motherboard
1 trillion: number of scents your nose can smell; millions of square feet: sprawling new server farms
Quotable Quotes:
Gideon Lewis-Kraus: As the engineer and writer Alex Payne put it, these startups represent "the field offices of a large distributed workforce assembled by venture capitalists and their associate institutions, "doing low-overhead, low-risk R D for fiv
# # # OpenStack is what:1,openstack is a cloud computing platform developed jointly by Rackspace and NASA2,openstack is a community of high-tech companies from the Internet3,openstack is an IaaS① solution similar to the Amazon cloud Platform4, a toolset that provides a platform for deploying cloud operations5, the main code is written by Python, Web page developed by Java6, 2013 began to be widely used by internet giants to customize the deployment7,
called Hardware-as-a-service, and a few years ago if you want to run some business applications in your office or on your company's website, you need to buy servers or other high-level hardware to control your local applications and get your business up and running.But with IaaS now, you can outsource your hardware to other places. IaaS will provide off-site servers, storage and network hardware that you can rent. Save on maintenance costs and office space, companies can use these hardware at a
azure virtual machines, and scale them as needed.Docker is an open source engine that can automatically apply deployment. It uses containers to replace virtual machines, enabling multiple applications to run concurrently on the same server. In addition to Microsoft, Amazon, Google, Rackspace and Linux vendors canonical and red Hat are committed to supporting Docker.Since June 2014, Microsoft has allowed users to run Docker on Linux on Azure. Microsof
scalable, ensuring that it can be used on demand during a DDoS attack, especially if the system is running simultaneously in multiple geographic regions. Any virtual machine instances running in the cloud need to ensure that network resources are available.Microsoft provides domain Name System (DNS) and Network Load Balancing for all Azure, and Rackspace provides exclusive cloud load balancing to control traffic flow. In combination with CDN system,
PaaS that provides 1 free worker
https://www.heroku.com/-Host Your apps in the cloud, free for single process apps
https://bluemix.net/-IBM PaaS with a monthly free allowance
https://www.openshift.com/-RedHat OpenShift offers 3 free hosted apps
https://bitnami.com/-One free small app
Https://scalingo.com-Free Tier, up to 3 apps, 1 container each, combined with the data store addons free tier
Iaas
https://exoscale.ch/-free resources for Open Source projects
like a mandatory law. "We didn't say it was our community code," says Harvey. "We work together with the community to develop these guidelines." ” The importance of community self-regulation and external involvement Ada Initiative partner Valerie Aurora believes that even if a company does not have legal power in the open source community, it is becoming increasingly important to establish a committee to regulate communication among members of the community, especially in an opinionated culture
advanced, easy-to-use, extensible Wiki engine with a full interactive wiki of community user Tiddlywiki-javascript
Ōlelo Wiki-wiki for saving pages on git storage
ResourcesA variety of resources, such as books, websites and articles, to enhance skills and knowledgeBlog
Code as Craft-etsy's operations blog, a large number of technical blogs
Devopsguys-devops Consultant, operation and maintenance blog
Rackspace
providers in this folder have their corresponding colors, even if the color version is never used, let us respect this tradition and add ourselves.
Next, we need to edit the home page, including the image to image settings link. Open index. volt and add it to the managed image, ending with something like this:
Now go to hosting. volt and copy it.Block, mention Rackspace. Change this content to reflect Azure, just like this:
Windows Azure {{
quilt class inheritance. But sometimes when you write code, you forget that it's not until you take a fall to remember that the original is private so that the subclass cannot find the member, or private is declared in the subclass, but because calling the function is called the parent class function, the result is that the parent class is the private value instead of the subclass. In this case, it is impossible to rewrite the function as it is in the subclass. So use private to be very careful
. That is to say, Paas is very economical. Paas is primarily intended for developers. Main products include: Google App Engine, force.com, Heroku, and WindowsAzure platform.
Iii) IAAs Mode
In IAAs mode, users can obtain the virtual machine or storage resources they need from the supplier to load related applications, at the same time, the tedious management of these infrastructures will be handled by IAAs vendors. IAAs supports a wide range of applications through virtual machines. The main
Workstation and Microsoft's Hyper-V, and containers like Docker, as well as public clouds such as Amazone AWS, Rackspace, and Digitalocean. The default is to use VirtualBox because it is free and the easiest to configure.
Virtual machines simply provide a virtual machine, where the installation and configuration of the various software depends on provision, the most basic shell scripts supported by the configuration tools, and Puppet, chef, ansib
After Twitter, Digg decided to say goodbye to MySQL and replaced most of its infrastructure, digg will migrate from the lamp (Linux, Apache, MySQL, PERL/PHP/Python) architecture to the Cassandra-based nosql architecture.
Apache Cassandra is an open-source distributed database management system originally developed by Facebook to store extremely large data. Cassandra is a hybrid non-relational database. It is mainly characterized by a distributed network service composed of a bunch of database n
saving pages on git storage
ResourcesA variety of resources, such as books, websites and articles, to enhance skills and knowledgeBlog
Code as Craft–etsy's operations blog, a large number of technical blogs
Devopsguys–devops Consultant, operation and maintenance blog
Rackspace Developers-blogs with a lot of devops topics
BooksBooks related to the sysadmin
The Linux command Line–william Shotts's book about Lin
This article is mainly about the Web site program in the cloud server migration encountered problems, and the various cloud services to compare options. Before using Laravel 5.1 developed a Community communication program, placed on Amazon's EC2 instance, is an aim Amazon's own built Linux server, must say Amazon service is first-class, there are few pits for you to tread, but since the discovery of Linode, Digitalocean, after Rackspace, compared the
I. what is the course (comprehensive introduction)1.1 . Background of the course OpenStack is an open source project initiated by Rackspace, a global developer, designed to create a cloud-based platform that is easy to deploy, feature rich, and easy to scale. OpenStack attempts to become a data center operating system, the cloud operating system. Since the start of the project, OpenStack has almost won the attention of all it giants, and there has b
24, in Response = requests. get (url1, headers = headers)File "build/bdist. linux-x86_64/egg/requests/api. py", line 52, in getFile "build/bdist. linux-x86_64/egg/requests/api. py", line 40, in requestFile "build/bdist. linux-x86_64/egg/requests/sessions. py", line 209, in requestFile "build/bdist. linux-x86_64/egg/requests/models. py", line 624, in sendFile "build/bdist. linux-x86_64/egg/requests/models. py", line 300, in _ build_responseFile "build/bdist. linux-x86_64/egg/requests/models. py"
/00000000Tmpubuntu/1446907333.484258/591396864/100000000/00000001Tmpubuntu/1446907333.484258/591396864/100000000/00000002Tmpubuntu/1446907333.484258/591396864/100000000/00000003Tmpubuntu/1446907333.484258/591396864/100000000/00000004Tmpubuntu/1446907333.484258/591396864/100000000/00000005Each object size is 100M (considering storage efficiency, it is not recommended that each object size is less than 100M):[Email protected]:~/s1# Swift stat container1_segments tmpubuntu/1446907333.484258/5913968
hardware acceleration by calling the mobile phone's local API) phoneGap is also built in to facilitate developers to publish applications to different stores ).
This is a major change for PHP developers because they have been rejected from the mobile app market before. We all know that iOS applications are written in Objective-C, while Android applications mainly use Java. That is to say, over 5 million of PHP programmers can design and build applications on mobile platforms such as iOS, Androi
[IOS open source code] (5): MKNetworkKit, iosmknetworkkit
ASIHTTPRequest (Author: BenCopsey) is a powerful framework that is easy to use and can be used for various simple to complex HTTP requests, or for processing REST services such as Amazon S3 and Rackspace.
Unfortunately, Ben declared as early as September 21, 2011 that it had stopped development and supported the framework (see http://allseeing-i.com/?5brequest_release=5d ;).
Ben recommends many
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