Controlling Hardware with ioctls
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How to Build an Optimal Hadoop Cluster to Store and Maintain Unlimited Amounts of Data Using Microservers
Realizing the promise of Apache® Hadoop® requires the effective deployment of compute, memory, storage and networking to achieve optimal results. With its flexibility and multitude of options, it is easy to over or under provision the server infrastructure, resulting in poor performance and high TCO. Join us for an in depth, technical discussion with industry experts from leading Hadoop and server companies who will provide insights into the key considerations for designing and deploying an optimal Hadoop cluster.
Some of key questions to be discussed are:
- What is the “typical” Hadoop cluster and what should be installed on the different machine types?
- Why should you consider the typical workload patterns when making your hardware decisions?
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Comments
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Re: Controlling Hardware with ioctls
Not that I didn't read the article with interest, but are you aware of a ifplugd (http://www.stud.uni-hamburg.de/users/lennart/projects/ifplugd/), a nifty little tool that does exactly what you want. On my laptop I have mandrake, I configure the network to not start on boot up. Furthermore, I start ifplugd somewhere along the boot-up sequence. As soon as ifplugd sees a cable, it will run your distributions ifup command, and if it detects the cable is gone: ifdown.
Koen
Re: Controlling Hardware with ioctls
The article was exactly what I was looking. But when I tried the small script provided on the web site, my ethernet card went crazy. When I turn it on, it interferes with my GNOME environment and I cannot open new windows. However the network connection is fine somehow. Just to check, I tried it under windows and I cannot use it at all. Something has changed and I would like to fix it. Any idea?
I have a Thinkpad T40 with an Intel Gb/ethernet card:
02:01.0 Ethernet controller: Intel Corp.: Unknown device 101e (rev 03). I'm using Debian with a 2.4.24 kernel.
Thanks.
Alban