You should read how things work under the hood on Redis vs PostgreSQL by Antirez(redis author) himself: http://oldblog.antirez.com/post/redis-persistence-demyst

You should read how things work under the hood on Redis vs PostgreSQL by Antirez(redis author) himself: http://oldblog.antirez.com/post/redis-persistence-demystified.html http://oldblog.antirez.com/post/redis-persistence-demystifie...