redis/hiredis — pull request #261 by mattsta (2014-08-04 19:48:04+00:00)
Title: Increase maximum SDS size

SDS sizes can never be negative, so it's safe to double their
capacity from 2 GB to 4 GB.

This helps extend some edge cases where people request comically large results from Redis. Better to handle as much data as we can without running out of space.