data structures - Which Hash functions can be used in count-min sketch? -


the number of elements in set on billion 230. intent count occurrence of each element in set. purpose, want use count-min sketch. please suggest how hash functions should chosen. false positive rate of @ 5% tolerable application.

count-min sketch requires 2-wise independent hash functions, in practice, recommend murmurhash. fast , robust, works count-min sketch.


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