Tag: Group Blog Posts

Attending Tech Conferences

  Now that I am in management, and have been for some time, I have still been attending tech shows and presenting at them a few times a year. When I came back to Pythian in February 2011, we had…

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Comparing CPU Throughput of Azure and AWS EC2

After observing CPU core sharing with Amazon Web Services EC2, I thought it would be interesting to see if Microsoft Azure platform exhibits the same behavior. Signing up for Azure’s 30-day trial gives $200 in credit to use over the…

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vCPU sharing in EC2: HVM to the rescue?

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I’ve been doing some testing to clarify what a vCPU in Amazon Web Services actually is. Over the course of the testing, I experienced inconsistent results on a 2-thread test on a 4-vCPU m3.xlarge system, due to the mislabeling of…

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Virtual CPUs with Amazon Web Services

The definition of a vCPU in Amazon Web Services is a bit unclear. We run some tests to see how much CPU performance we actually get, and discover some unexpected side effects from AWS’s implementation.

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COLLABORATE minus 3

Musings about COLLABORATE, the 9th version of which is happening in Las Vegas USA from April 7-11 2014.

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Nothing to Blog About? Think Again!

Suggestions about how to proceed if you are just getting started with blogging or searching for topics to blog about.

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Troubleshooting Oracle’s Auto Service Request

I’ve spent the better part of the day troubleshooting an issue with Oracle’s Auto Service Request (ASR) and wanted to share my results in case if saves someone else some effort.

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Oracle RAC on the Cloud, Part 3

This is part 3 of a multipart series of getting oracle RAC running on a cloud environment. In part 1, we set up a NFS server for shared storage. In part 2, we set up OS components for each RAC server. Now we finish up the OS configuration and move to Oracle grid infrastructure.

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Oracle RAC on the Cloud, Part 2

In part 1 of this series, we talked about some of the challenges of setting up Oracle RAC on a public cloud provider, and went on to order some VMs from provider Gandi, and finally configuring a NFS server for shared storage. In this post, we move on to configuring the rac servers themselves, rac01 and rac02.

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Oracle RAC on the Cloud, Part 1

I’ve been working on moving a lot of the testing and R&D work I do away from local virtual machines and onto cloud environments, for a few reasons: I can avoid carrying around a laptop all the time, and rather…

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