Tweets per day by @ Twitter, on Flickr

Twitter by the Numbers – Partial Presentation Transcript

• 70M tweets per day
• 70M tweets per day = 800 tweets per second
• How big are they? 1 tweet text = 140 characters 200 bytes
• 800 tweets per second – 160 KB/sec – 9 MB/min – 12 GB/day Just tweet text!
• 1 TB generated 8 TB generated per day
• 8 TB per day in total 100 MB per sec = 80 MB per sec
• 150 Million registered users. 2010
• 6 Billion API calls per day – 70,000 calls per second
• 752% in 2008
• 1358% in 2009
• Today – 150 Million people generate ~1000 TPS * (Tweets Per Second) Tomorrow – we want to support half the world and all its devices (5 Billion phones and 6 Billion people)
• Real challenges in front of us Real time Indexing, search, and analytics Relevance systems Graph databases Storage Scalability and efficiency
• Questions? Follow @raffi