Performance


File Transfers and File Sharing

This article describes two GlusterFS issues that you might encounter and provides steps for resolving them:


Healing replicated volumes
Fixing a split-brain problem


Healing replicated volumes

When any brick in a replicated...
0 Comments
Filed in: Cloud Servers, Filed in: Cloud Block Storage
In its native form, GlusterFS gives you redundancy and high availability (HA). However, the clients that connect to your GlusterFS volumes by using its NFS or Samba exports need to have some additional services installed and...
0 Comments
Filed in: Cloud Servers, Filed in: Cloud Block Storage
Before you start to use GlusterFS, you have to make a fundamental decision: what type of volumes do you need for your environment. Although six methods exist, the following ones are used most often to achieve different results...
0 Comments
Filed in: Cloud Servers, Filed in: Cloud Block Storage
GlusterFS is a software-only product that you can use to build a distributed file system across multiple storage server nodes. It provides a highly scalable and unique data storage solution that uses the XFS file system....
0 Comments
Filed in: Cloud Servers, Filed in: Cloud Block Storage

Performance

This article describes two GlusterFS issues that you might encounter and provides steps for resolving them:


Healing replicated volumes
Fixing a split-brain problem


Healing replicated volumes

When any brick in a replicated...
0 Comments
Filed in: Cloud Servers, Filed in: Cloud Block Storage
In its native form, GlusterFS gives you redundancy and high availability (HA). However, the clients that connect to your GlusterFS volumes by using its NFS or Samba exports need to have some additional services installed and...
0 Comments
Filed in: Cloud Servers, Filed in: Cloud Block Storage
Before you start to use GlusterFS, you have to make a fundamental decision: what type of volumes do you need for your environment. Although six methods exist, the following ones are used most often to achieve different results...
0 Comments
Filed in: Cloud Servers, Filed in: Cloud Block Storage
GlusterFS is a software-only product that you can use to build a distributed file system across multiple storage server nodes. It provides a highly scalable and unique data storage solution that uses the XFS file system....
0 Comments
Filed in: Cloud Servers, Filed in: Cloud Block Storage
There are several noteworthy differences between Standard and General Purpose Cloud Servers:

General Purpose Cloud Servers use faster solid state drives (SSD) compared to the standard spinning disk allocation for Standard Cloud...
0 Comments
Filed in: Cloud Servers
Rackspace Director of Product Erik Carlin and Principal Architect Christopher Kuehl discuss how General Purpose v2 Cloud Servers can accelerate our customers' most demanding applications and websites.
0 Comments
Filed in: Cloud Servers
This article will demonstrate how to put multiple data disks on a General Purpose server into a RAID level 0.  We will mount a single data disk and perform read and write tests, then continue by putting two data disks into a RAID...
0 Comments
Filed in: Cloud Servers
This article describes some of the major features and benefits of the General Purpose and work-optimized flavors (configurations) of Cloud Servers compared to Standard servers. Changes have been implemented with General Purpose...
0 Comments
Filed in: Cloud Servers
by John StrunkWhen considering benchmarking information for Cloud Block Storage, there are several things you need to consider to understand the performance differences, similarities, and how more than just throughput is needed...
0 Comments
The Value of Rackspace® Critical Application ServicesSponsored by CITO ResearchExecutive SummaryAs organizations move more and more information, applications, and interactions online to engage their customers, the performance of...
0 Comments
Filed in: Cloud Hosting
High Performance ComputingHigh Performance Computing (HPC) enables scientists and researchers to solve complex problems that require many computing capabilities. HPC typically utilizes a message passing interface (MPI) to...
0 Comments
APPLIES TO: RackConnect v3.0, RackConnect v2.0
The following charts provide a detailed comparison of the network devices available for use with your RackConnect configuration. RackConnect and RC are used interchangeably.

 ...
0 Comments
Filed in: RackConnect
You can enhance your WordPress blog by using Cloud Files with content delivery network (CDN) technology to display content to users faster and more efficiently. You can distribute common files or content such as CSS, JavaScript,...
2 Comments
Filed in: Cloud Files
What is Cloud Files used for?There are many ways to utilize Cloud Files, but it is strongest when functioning as unlimited object storage on the Cloud, or when used as a website accelerator with the Content Delivery Network (CDN...
24 Comments
Filed in: Cloud Files
Note: This article is written for the Cloud Sites Control Panel. You can access this interface from the Cloud Control Panel by clicking your username in the upper-right corner of the Cloud Sites Control Panel and selecting "...
9 Comments
Filed in: Cloud Files
Use the following steps to set up a website from a basic HTML page stored in Cloud Files.

Pre-requisites

To complete this process, you need the following items:

A file transfer application such as Cyberduck.
A text editor...
0 Comments
Filed in: Cloud Sites
NOTE: This article refers to the Cloud Sites Control Panel. You can access this interface from the Cloud Control Panel by clicking your username in the upper-right corner of the control panel and selecting Cloud Sites Control...
0 Comments
Filed in: Cloud Sites
Expression Engine Performance OptimizationIf you're experiencing any slowness or performance issues with your Expression Engine install, you should disable all caching, query caching, and disable tracking for templates you should...
0 Comments
Filed in: Cloud Sites
Gallery 2 OptimizationGallery, the open source web based photo album organizer, offers you an easy way to manage your photos on your website. This article will explain how to configure Gallery 2 to deliver content more...
0 Comments
Filed in: Cloud Sites

This guide is intended for advanced users.


For optimization techniques of any web application, The Rackspace Cloud highly recommends consulting the vendors of the application. However, SugarCRM does have detailed...
0 Comments
Filed in: Cloud Sites
This article describes some best practices and suggestions for optimizing your website on Cloud Sites.

Using SSL

SSL might be right for your website, but it should be used only when necessary. SSL traffic is encrypted and...
0 Comments
Filed in: Cloud Sites
Importance of using Indexes in your MySQL database:Indexes help the system to access data fast and provide an ordering on the rows of a table as well as help enforce uniqueness of the values in a table. A lot of performance...
0 Comments
Filed in: Cloud Sites
NOTE: This article refers to the Cloud Sites Control Panel. You can access this interface from the Cloud Control Panel by clicking your username in the upper-right corner of the control panel and selecting Cloud Sites Control...
4 Comments
Filed in: Cloud Sites
Note:  We've had reports of problems using Magento with Cloud Sites.  We cannot provide support for Magento on Cloud Sites so we do not recommend using it at this time.  This article is made available for archival purposes only...
3 Comments
Filed in: Cloud Sites
Some web sites dynamically download and display data from a remote site by using an fopen() call with a URL specified. This is highly inefficient and leads to large consumption of Compute Cycles. To resolve this, set up a simple...
1 Comments
Filed in: Cloud Servers

Scaling and High Availability

GlusterFS is a software-only product that you can use to build a distributed file system across multiple storage server nodes. It provides a highly scalable and unique data storage solution that uses the XFS file system....
0 Comments
Filed in: Cloud Servers, Filed in: Cloud Block Storage
This article describes some of the major features and benefits of the General Purpose and work-optimized flavors (configurations) of Cloud Servers compared to Standard servers. Changes have been implemented with General Purpose...
0 Comments
Filed in: Cloud Servers

Load Balancing

This article describes some of the major features and benefits of the General Purpose and work-optimized flavors (configurations) of Cloud Servers compared to Standard servers. Changes have been implemented with General Purpose...
0 Comments
Filed in: Cloud Servers

Server Management

This article describes some of the major features and benefits of the General Purpose and work-optimized flavors (configurations) of Cloud Servers compared to Standard servers. Changes have been implemented with General Purpose...
0 Comments
Filed in: Cloud Servers

Resizing

This article describes some of the major features and benefits of the General Purpose and work-optimized flavors (configurations) of Cloud Servers compared to Standard servers. Changes have been implemented with General Purpose...
0 Comments
Filed in: Cloud Servers

Backups

This article describes some of the major features and benefits of the General Purpose and work-optimized flavors (configurations) of Cloud Servers compared to Standard servers. Changes have been implemented with General Purpose...
0 Comments
Filed in: Cloud Servers

Server Images

This article describes some of the major features and benefits of the General Purpose and work-optimized flavors (configurations) of Cloud Servers compared to Standard servers. Changes have been implemented with General Purpose...
0 Comments
Filed in: Cloud Servers

Migrations

This article describes some of the major features and benefits of the General Purpose and work-optimized flavors (configurations) of Cloud Servers compared to Standard servers. Changes have been implemented with General Purpose...
0 Comments
Filed in: Cloud Servers

API

This article describes some of the major features and benefits of the General Purpose and work-optimized flavors (configurations) of Cloud Servers compared to Standard servers. Changes have been implemented with General Purpose...
0 Comments
Filed in: Cloud Servers

Monitoring and Troubleshooting

The Value of Rackspace® Critical Application ServicesSponsored by CITO ResearchExecutive SummaryAs organizations move more and more information, applications, and interactions online to engage their customers, the performance of...
0 Comments
Filed in: Cloud Hosting

Programming

High Performance ComputingHigh Performance Computing (HPC) enables scientists and researchers to solve complex problems that require many computing capabilities. HPC typically utilizes a message passing interface (MPI) to...
0 Comments

Content Management Systems

You can enhance your WordPress blog by using Cloud Files with content delivery network (CDN) technology to display content to users faster and more efficiently. You can distribute common files or content such as CSS, JavaScript,...
2 Comments
Filed in: Cloud Files
Gallery 2 OptimizationGallery, the open source web based photo album organizer, offers you an easy way to manage your photos on your website. This article will explain how to configure Gallery 2 to deliver content more...
0 Comments
Filed in: Cloud Sites
Note:  We've had reports of problems using Magento with Cloud Sites.  We cannot provide support for Magento on Cloud Sites so we do not recommend using it at this time.  This article is made available for archival purposes only...
3 Comments
Filed in: Cloud Sites

Linux MySQL

Importance of using Indexes in your MySQL database:Indexes help the system to access data fast and provide an ordering on the rows of a table as well as help enforce uniqueness of the values in a table. A lot of performance...
0 Comments
Filed in: Cloud Sites

Apache

Some web sites dynamically download and display data from a remote site by using an fopen() call with a URL specified. This is highly inefficient and leads to large consumption of Compute Cycles. To resolve this, set up a simple...
1 Comments
Filed in: Cloud Servers