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Can you explain how you came up with this math of 5 bytes number to identify the...
Raj
Apr 15, 2022
Can you explain how you came up with this math of 5 bytes number to identify the tweetid's uniquely
If we are getting 400M new tweets each day, then how many tweet objects we can expect in five years? 400M * 365 days * 5 years => 730 billion
This means we would need a five bytes number to identify TweetIDs uniquely.
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Raj 4 years ago
nvm got it
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Asish Balu3 years ago
Adding the answer here just for reference. With 4 bytes you can have 256^4 = approx 4 billion tweet IDS. which is not enough. With 5 bytes you can have 256^5 = approx 1 trillion tweet IDS, which is plenty.
ayan Saha2 years ago
730 billion log base 2 ~= 40 bits ~= 5 bytes