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- # 100mil 'entities'
- # need to be able to check from a random subset if 'something' is TRUE or FALSE
- # set booleans in a redis bitmap where the ID for the entities are the offset
- $ redis-cli
- > SETBIT mybitmap 100000000 1 # 8ms
- > SETBIT mybitmap 99999999 1 # 2ms
- > SETBIT mybitmap 10000000 1 # 2ms, etc
- > SETBIT mybitmap 1000000 1
- > SETBIT mybitmap 100000 1
- > SETBIT mybitmap 10000 1
- > SETBIT mybitmap 1000 1
- > SETBIT mybitmap 100 1
- > SETBIT mybitmap 10 1
- > SETBIT mybitmap 1 1
- # memory used for this bitmap 16MB
- > GETBIT mybitmap 99999999 # 2ms
- > GETBIT mybitmap 99988889 # 2ms
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