As an active open-source project, Redis adds new functionality and improvements that may solve a problem that you or someone in your organization decided it wasn't suited for in the past. Optimizing the use of such a valuable and functional tool as Redis means understanding its recent history and keeping current with new functionality being developed and tested for inclusion in the latest stable version of Redis. Redis follows a common semantic versioning pattern of
major.minor.patchlevel with a minor even number denoting a stable version and an odd minor number an unstable branch.
For example, the Redis 2.8.9 release introduced two of the more significant improvements, namely the
HyperLogLog, a highly ...