As Director of Systems Engineering for VMIX, it is my job—my department’s job—to scale our infrastructure to meet our clients’ needs, ensuring a high level of service availability and performance.

And each year that goes by, our online video platform usage grows at a pace that could give anyone an ulcer, especially if you don’t come up with a creative solution to scale.
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I have had a lot of people request me to make a public base CentOS 5.3 64-bit EC2 AMI in all the AWS Regions. I can understand some of you would like to fire up a base instance and then make modifications and snapshot them into your own custom AMI’s. So I finally found some time to build some and here they are! You can find them from the AWS EC2 Management Console under Public AMI’s or via command line methods.
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Since bandwidth throughput when using Amazon Web Services Elastic Compute Cloud (EC2) is very important when routing traffic and services I decided to take some measurements and outline them here for your reference. I ran tests against both 32 Bit and 64 Bit instances, and found some interesting results. These tests were run several times over different days, and the figures are the averages I saw.
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This how to article will go over saving a snapshot of your Amazon Elastic Compute Cloud (EC2) Machine Image (AMI). This is very useful for taking an existing AMI and modifying it to customize your needs into a new separate AMI.

For my intents and purposes I have a base CentOS 5.3 AMI with only the bare essentials. I then use this snapshot method to create different class AMI’s for different server functions ie. (webserver, memcached server, etc)
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