16 lines
394 B
Markdown
16 lines
394 B
Markdown
# Snowflake UID Service
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* (0..41] bits for .01s since $EPOCH (697y span)
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* (41..54] bits for sequence (4096)
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* (54..64] bits for hostid (1024 hosts)
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for up to `419_430_400 = 1024*100*4096` ids per second
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## Original
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* source: https://github.com/twitter-archive/snowflake/tree/snowflake-2010
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* tldr
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* [0..41] bits for timestamp
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* (41..x] bits for hostid
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* (x..64) bits for sequence
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