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2.5 million trades a DAY: How ISE admins became Puppet masters
The International Securities Exchange (ISE) has just completed the first phase of a Puppet Enterprise deployment. Their approach and the lessons they have learned are a teaching tool for all of us. Even in the cases where two organisations seek to accomplish the same task with the same product, the rationale and methodology can …
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Thursday 8th November 2012 03:37 GMT Anonymous Coward
No real idea what this article was all about?
Puppet Enterprise is IT automation software that updates and configures Windows, Macs or Linux boxes, either real installations or virtual-machines in the Cloud.
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They also refer to something called 'Oracle Linux' on their download page, shouldn't that be Red Hat Linux?
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Wednesday 7th November 2012 14:32 GMT Captain Underpants
I must take more of a look at Puppet - it sounds like an interesting competitor for KACE (which, to be fair, I use in work but haven't yet learned enough about to fully use). I'd certainly be interested in reading an in-depth comparison of the two (preferably by someone who's used both in production environments, but failing that a pre-purchase in-depth technical evaluation would suffice...)
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Thursday 8th November 2012 06:02 GMT Christian Berger
Re: That's 28.9 transactions per day
True, that's what I meant. I'm sorry, I'm an idiot. It's of course 28.9 transactions per second.
But I still stand by my point that this is far less than what a BluRay Player or HDTV satellite receiver needs to do. So if one needs massive servers for this. It's probably not been implemented in the most efficient way. (No I do not claim that the most efficient way is always the best one, but sometimes it's just good to think of the gulf between what could be done, and how it is done.)
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Thursday 15th November 2012 04:52 GMT Bent Outta Shape
Re: That's 28.9 *trades* per second
I agree with you on the apparent inefficiency; "Implemented in hardware", meet "coded in software". But there's more to it than that.
The traffic is far, far more bursty than a nice "average over a day", and there are approx 100 quotes that get cancelled for every actual trade - think peaks of 500,000 msgs/sec averaged over 1 second.
The ISE will kit out enough servers to comfortably handle what they feel is the peak market rate, and then some headroom. Really rather a lot of headroom. Throw in the hot-standbys, test environments and so on. Lots of machines to configure, and a pain to upgrade and/or rollback - and so back to Puppet.
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