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Old 07-22-2008, 09:18 AM   #1
resetreset
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What does Youtube use?


Do they have something like a beowulf cluster? Do they in fact USE Linux or is it a supercomputer or something else? *Could* Linux have been used?
 
Old 07-22-2008, 09:40 AM   #2
trickykid
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Unless someone works for YouTube, they'll have to answer this question. It's probably proprietary software in a clustered environment running on Linux I would assume. They started out as a small company, most small companies will run Linux since they don't have the funding to pay for Microsoft products. A netcraft.com quick report displays most of their servers running Linux. But really, go ask them if you're curious, I doubt they'll just give anyone such information.
 
Old 07-22-2008, 11:16 AM   #3
ilikejam
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http://highscalability.com/youtube-architecture

Dave
 
Old 07-23-2008, 05:33 AM   #4
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hey thanks for that URL. i was specifically interested in how they do the disk system - many computers using the same file. they say something about this Bigtable thing but also say that a lot of it served out of RAM - I wonder if it's athlon64 machines which can have > 4 GB. wonder how much they DO have, if its true. anyone want to discuss?
 
Old 07-23-2008, 10:19 AM   #5
trickykid
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Quote:
Originally Posted by resetreset View Post
hey thanks for that URL. i was specifically interested in how they do the disk system - many computers using the same file. they say something about this Bigtable thing but also say that a lot of it served out of RAM - I wonder if it's athlon64 machines which can have > 4 GB. wonder how much they DO have, if its true. anyone want to discuss?
We can wonder all we want but if you really want to know, just go apply to work for them to find out..
 
Old 07-23-2008, 11:18 AM   #6
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They use a customized version of DOSlet I coded some years ago and sold them for a few candy drops. It uses 230kB of shared memory and two floppy drives, so good it is.

It shouldn't take you no more than a minute to write an email to them, and no less than your lifetime to wait for an answer (that revealed anything). Why worry? If you want it for your own use, go make some money and buy them all out
 
Old 07-23-2008, 11:26 AM   #7
trickykid
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Originally Posted by b0uncer View Post
Why worry? If you want it for your own use, go make some money and buy them all out
Heh, last trade as of a minute ago was $487.69. It would take a lot of money to buy Google out..
 
Old 07-23-2008, 11:29 AM   #8
XavierP
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It appears that the CDNs are key to the success - they help with the scalability. I believe that Akamai host them, so it could be an idea to contact them.
 
Old 07-27-2008, 11:49 PM   #9
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Isn't Youtube now owned by Google, Inc.? In which case, most likely they're running on Google's own servers. And probably the software they're using to power the service is something Python-based as I believe google are big on Python.
 
Old 08-12-2008, 07:41 AM   #10
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I was just about to ask what Google runs on but i guess harishankar wrote that mail and waited a life-time!!! Thanks!
 
  


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