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Showing posts from February, 2015

Performance Battle of NoSQL blob storages #3: Redis

We have already measured performance stats for Apache Cassandra and Apache Kafka as well. To include Redis within a comparison of persistent storages could see like some misunderstanding at first sight. On the other hand, there are certain use-cases allowing us to think about to store data in main memory, especially in private data centers. Primarily once your cluster includes a machine having almost equal size of hard drive and RAM :-)

Redis is enterprise, or advanced, key-value store with optional persistence. There are couple of reasons why everyone loves Redis. Why I do?

1. It's pretty simple.

Following command can install redis server on ubuntu. That's all.
apt-get install redis-server
2. It's incredible fast. Look at following tables. One million remote operations per second.
3. It supports large set of commands. More than some kind of database, it's rather enterprise remote-aware hash-map, hash-set, sorted-list or pub/sub channel solution supporting TTL or Lua sc…