Can someone at Facebook verify whether this answer is accurate/mostly accurate?
Web scale: Facebook's architecture
quora.com
Web scale: Facebook's architecture
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Re: Web scale: Facebook's architecture
#2Can someone at Facebook verify if the answer on Quora is accurate/mostly accurate?
Re: Web scale: Facebook's architecture
#3Can someone at Facebook verify if the answer on Quora is accurate/mostly accurate?
It's basically accurate. Also, there are upvotes from notable employees at Facebook like Andrew Bosworth
Re: Web scale: Facebook's architecture
#4I like the anon comment that they should not re-invent the wheel so much. That gave me a chuckle, I'll just use my off the shelf distributed web app deployment software that runs on thousands of machines ... oh snap!
Re: Web scale: Facebook's architecture
#5Can someone at Facebook verify if the answer on Quora is accurate/mostly accurate?
It seems to be pretty consistent with the engineering blog http://m.facebook.com/Engineering?_rdr
Great to see this in one place. I would love to know more about the more internal facing systems (code deployment, test frameworks, failover systems...).
Re: Web scale: Facebook's architecture
#6What's facebook take on memcached? Are they happy with it?
Re: Web scale: Facebook's architecture
#7What's facebook take on memcached? Are they happy with it?
It worked well in the past. They made significant improvements to it.
However, it's not as well-suited for multi-datacenter usage. For example, they needed another replication layer. I think they're working on a current system that will replace memcached, and it seems to be causing some consistency problems...
Re: Web scale: Facebook's architecture
#8What's facebook take on memcached? Are they happy with it?
It worked well in the past. They made significant improvements to it. However, it's not as well-suited for multi-datacenter usage. For example, they needed another replication layer. I think they're working on a current system that will replace memcached, and it seems to be causing some consistency problems...
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Re: Web scale: Facebook's architecture
#9From the comments at Quora, this presentation is great (and dated this month):
http://www.infoq.com/presentations/Infrastructure-at-Faceboo...
Re: Web scale: Facebook's architecture
#10What's facebook take on memcached? Are they happy with it?
It worked well in the past. They made significant improvements to it. However, it's not as well-suited for multi-datacenter usage. For example, they needed another replication layer. I think they're working on a current system that will replace memcached, and it seems to be causing some consistency problems...
Do you have any additional details about this possible memcached replacement?