Redis filling up memory fast, running --bigkeys free it up
问题 A month ago, out of the blue, Redis started to fill up the server memory fast. In order to debug the problem we have run redis-cli --bigkeys and for our surprise all the used memory was freed. We have a cluster of 6 nodes, being 3 masters and 3 slaves, each of the masters databases are around 15GB. Each of the nodes are stored in a dedicated box with 64GB each. Redis is filling the entire memory of 64GB twice a day. We have a cron running redis-cli --bigkeys twice a day to free up the used