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10 Newer Entries Showing entries 31 to 40 of 108 10 Older Entries

Displaying posts with tag: amazon (reset)

Linus on Instantiation and Armadaification
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I feel a sense of pride when I think that I was involved in the development and maintenance of what was probably the first piece of software accepted into Debian which then had and still has direct up-stream support from Microsoft. The world is a better place for having Microsoft in it. The first operating system I ever ran on an 08086-based CPU was MS-DOS 2.x. I remember how thrilled I was when we got to see how my friend’s 80286 system ran BBS software that would cause a modem to dial a local system and display the application as if it were running on a …

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Setting up RAID0 in Ubuntu 12.04 in AWS High I/O
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Amazon announced high I/O instances today. This is huge for anyone with a database larger than available memory, as it’s been a complete nightmare dealing with EBS up till now. Now your Cassandra, MongoDB, MySQL, or whatever your using should be able to perform well without requiring keeping your entire dataset in memory.

With each instance you get 2x1TB of disk. In this tutorial I’ll be setting it up as a RAID0 to get a single 2TB disk which should deliver excellent performance.

Before you get started, make sure you’ve got mdadm installed:

apt-get install mdadm

To begin, check fdisk and make sure …

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WordPress on S3: the beauty of simplicity
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My first computer program was written almost quarter a century ago on a BK-0010 computer.  It was very simple: the program asked the user to enter their name and then greeted the user using the entered name, like “Hello, Artem!”.  I was fascinated.  A couple of lines written in Vilnius BASIC transformed a piece of metal and silicon into a considerate thing that cared about a person’s name enough to remember it :-).  Of course, the first experience doesn’t represent the day-to-day routine of software development, but the moments when I …

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CAOS Theory Podcast 2012.04.20
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Topics for this podcast:

*OpenStack, Amazon, Eucalyptus and Citrix engage in open cloud warfare
*Microsoft spins off new company for openness
*Updates on automation players Puppet Labs and Opscode with Chef
*Percona turns attention to MySQL high availability
*Open APIs as the fifth pillar of modern IT openness

iTunes or direct download (28:42, 4.9MB)

Amazon RDS for MySQL - Is it any good?
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We have been testiing the MySQL RDS Service from Amazon here at RF, and so far it looks good for what we use MySQL for. We don't have that much data left in MySQL though, but some of the services are still mission critical, and we have had a couple running on RDS for a week or so.

I have to say I am pretty happy so far, but there are a couple of things you should know before you get to use the services. To begin with, you don't get a proper MySQL root account, i.e. no SUPER privileges. No big deal I guess, but this means there are a few things you cannot do. I was planning to migrate off the EC2 based server to RDS by setting …

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Unindexed queries can be really expensive
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The story happened with a webshop application running on Amazon EC2 microinstances. Actually on two instance. Amazon business model is basically simple, they ask money for only three things: Cpu time, IOPS and network traffic. Everybody (including me) thinks for the first time network traffic will be the bottleneck until they got the first bill (it can be even after one year considering the free tier). Actually in this category the IOPS is the most expensive.

Symptoms

On the cacti diagrams I saw strange datas. The created temp tables on disk and created temp files were much higher than created temp tables. The 67% of temporary tables …

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Open APIs are the new open source
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We’ve seen the rise of open source software in the enterprise and also beyond the IT industry, but the real keys to openness and its advantages in today’s technology world — where efficient use of cloud computing and supporting services are paramount — exist in open application programming interfaces, or APIs.

Open source software continues to be a critical part of software development, systems administration, IT operations and more, but much of the action in leveraging modern cloud computing and services-based infrastructures centers on APIs. Open APIs are the new open source.

Read the full story at LinuxInsider.

451 CAOS Links 2011.11.18
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Rapid7 secures new funding. Microsoft drops Dryad. And more.

# Rapid7 secured $50m in series C funding.

# Microsoft confirmed that it is ditching its Dryad project in favour of Apache Hadoop.

# Arun Murthy provided more details of Apache Hadop 0.23.

# The Google Plugin for Eclipse and GWT Designer projects …

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$1000 per hour Servers, Anyone?
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Read the original article at $1000 per hour Servers, Anyone?

Amazon's spot market for computing power is set up as an open market for surplus servers. The price is dynamic and depends on demand. So when demand is low, you can get computing instances for rock bottom prices. When you do that you normally set a range of prices you're willing to pay. If it goes over your top end, your instances get killed and re-provisioned for someone else. Obviously this wouldn't work for all applications, like a website that has to be up all the time, but for computing power, say …

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RAID 10 your EBS data
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When I spoke at Percona Live (video here) on running an E-commerce database in Amazon EC2, I briefly talked about using RAID 10 for additional performance and fault tolerance when using EBS volumes. At first, this seems counter intuitive. Amazon has a robust infrastructure, EBS volumes run on RAIDed hardware, and are mirrored in multiple availability zones. So, why bother? Today, I was reminded of just how important it is. Please note that all my performance statistics are based on direct …

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10 Newer Entries Showing entries 31 to 40 of 108 10 Older Entries

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