Company architectures

CompanyReference(s)
AmazonAmazon architecture
CinchcastProducing 1,500 hours of audio every day
DataSiftRealtime datamining At 120,000 tweets per second
DropboxHow we've scaled Dropbox
ESPNOperating At 100,000 duh nuh nuhs per second
GoogleGoogle architecture
Instagram14 million users, terabytes of photos
What powers Instagram
Justin.tvJustin.Tv's live video broadcasting architecture
FacebookScaling memcached at Facebook
TAO: Facebook’s distributed data store for the social graph
Facebook’s photo storage
How Facebook Live Streams To 800,000 Simultaneous Viewers
FlickrFlickr architecture
MailboxFrom 0 to one million users in 6 weeks
NetflixA 360 Degree View Of The Entire Netflix Stack
Netflix: What Happens When You Press Play?
PinterestFrom 0 To 10s of billions of page views a month
18 million visitors, 10x growth, 12 employees
Playfish50 million monthly users and growing
PlentyOfFishPlentyOfFish architecture
SalesforceHow they handle 1.3 billion transactions a day
Stack OverflowStack Overflow architecture
TripAdvisor40M visitors, 200M dynamic page views, 30TB data
Tumblr15 billion page views a month
TwitterMaking Twitter 10000 percent faster
Storing 250 million tweets a day using MySQL
150M active users, 300K QPS, a 22 MB/S firehose
Timelines at scale
Big and small data at Twitter
Operations at Twitter: scaling beyond 100 million users
How Twitter Handles 3,000 Images Per Second
UberHow Uber scales their real-time market platform
Lessons Learned From Scaling Uber To 2000 Engineers, 1000 Services, And 8000 Git Repositories
WhatsAppThe WhatsApp architecture Facebook bought for $19 billion
YouTubeYouTube scalability
YouTube architecture