If you have been tuned-in to tech talk over the last couple years there have been certain buzzwords that have been making their way into the common vernacular, big data being one of them. But with any buzzword, the meaning behind it can often be murky as can the understanding of that meaning. In 2012, Citrix, the software giant, commissioned…
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Of Nobel Prizes…
Wonderful news today, fabulous day to support great science with great colleagues! Congrats Martin! A great day to be in the support of amazing computing resources here @harvard http://t.co/sfMAjO42Xp #hpc — James Cuff (@jamesdotcuff) October 9, 2013 Reminds me of my first few days here at Harvard, (email below) and my rather epic faux pas with messing up how to…
The management demands demand management!
Today was one of those hot days here in New England. We set power rates based on load on high days randomly sampled. They call this stuff "demand management" We use quite a lot of power here in our shop for lots of computers, so this here manager demanded some management of the power loads! Hehehe. Fortunately we were able…
Of benching a wicked fast storage array with a very dodgy tcsh script…
Testing our new secret filesystem... no caching or silly business going on here, all raw spindles and extremely suspect but reproducible fork bombs courtesy of tcsh. Where hosts contains 20 machines... [root@localhost jcuff]# foreach h (`cat hosts`) foreach? ssh $h /mnt/share/jcuff/dd.sh $h & foreach? end And where dd.sh is simply a 16 way fork bomb: [root@localhost jcuff]# cat dd.sh #!/bin/tcsh foreach h…
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