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dahernan/gist:fd8d6be29f5655a39989

Created March 17, 2015 11:58
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LUA Redis Snowflake
Raw
gistfile1.lua
$ redis-cli set sequence 1
$ redis-cli set node_id 1
-- id.lua
local epoch = 1288834974657
local seq = tonumber(redis.call('INCR', 'sequence')) % 4096
local node = tonumber(redis.call('GET', 'node_id')) % 1024
local time = redis.call('TIME')
local time41 = ((tonumber(time[1]) * 1000) + (tonumber(time[2]) / 1000)) - epoch
return (time41 * (2 ^ 22)) + (node * (2 ^ 12)) + seq
$ redis-cli --eval id.lua
(integer) 347205555082385408
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