CMS.MERGE destination numKeys source [source ...] [WEIGHTS weight [weight ...]]
@cms
,
@write
,
Merges several sketches into one sketch. All sketches must have identical width and depth. Weights can be used to multiply certain sketches. Default weight is 1.
redis> CMS.MERGE dest 2 test1 test2 WEIGHTS 1 3
OK
One of the following:
OK
if executed correctly.