Neat thing about PMC is you can imagine a system that does approx set membership, distinct values, and frequencies, all backed by a bitmap
-
-
-
The only update operation needed is "OR in this bitmap" which could use a compressed repr like EWAH - and is associative, commutative, idemp
-
Kinda funny to think about a huge distributed "one way file system" - you can flip bits to 1 but never back to zero. Good enough.
End of conversation
New conversation -
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.