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system-design-primer
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Update Twitter back-of-the-envelope calculations (#414)

Kofi Forson 4 years ago
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      solutions/system_design/twitter/README.md

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@@ -80,6 +80,7 @@ Search
 
 * 60 thousand tweets delivered on fanout per second
 
 * 60 thousand tweets delivered on fanout per second
 
     * 150 billion tweets delivered on fanout per month * (400 requests per second / 1 billion requests per month)
 
     * 150 billion tweets delivered on fanout per month * (400 requests per second / 1 billion requests per month)
 
 * 4,000 search requests per second
 
 * 4,000 search requests per second
 
+    * 10 billion searches per month * (400 requests per second / 1 billion requests per month)
 
 
 
 Handy conversion guide:
 
 Handy conversion guide: