03:19:14 GMT <mikhael_k33hl> Does redis have a built-in mechanism to accommodate multiple writes to the same key-value pair from multiple instances?
18:40:35 GMT <cloudbud> I have a redis server that it  m3.medium. I want to migrate from m3.medium to m4.large. how can I do that  without downtime ?
18:41:52 GMT <minus> cloudbud: get a new instance, start redis on it, set it up as a slave, disable slave-read-only (or so), point your client(s) to the new instance, disable slave mode on it, kill the old instance
19:19:22 GMT <cloudbud> @minus : How to do this set it up as a slave, disable slave-read-only (or so), point your client(s) to the new instance, disable slave mode on it, kill the old instance
19:22:50 GMT <minus> read the manual on replication