Redis is an open source, BSD licensed, advanced key-value cache and store. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets, sorted sets, bitmaps and hyper logs. The latest release Redis 2.8.17 has been marked for urgent upgrade, especially for Redis Sentinel users. This release resolves a memory leak in the hiredis library causing a memory leak in Redis Sentinel when a monitored instance or another Sentinel is unavailable.
Redis is an open source, ‘NOSQL’, in-memory, advanced key-value store with optional durability and its written in ANSI C. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets and sorted sets. Redis 2.8.9 only has new features introduced, no bugs fixed: The HyperLogLog data structure. You can read more about it in this blog post. http://antirez.com/news/75 The Sorted Set data type has now support for lexicographic range queries, check the new commands ZRANGEBYLEX, ZLEXCOUNT and ZREMRANGEBYLEX Install Redis 2.