> There are workloads that will saturate a redis instance's CPU I might imagine this scenario if you're excessively using smembers and a few other slow ops, bu

> There are workloads that will saturate a redis instance's CPU I might imagine this scenario if you're excessively using smembers and a few other slow ops, but I have yet to see CPU issues outside of bad eval's. > require finding old keys to delete LRU/LFU eviction is not particularly CPU intensive. > redis to do memory defragmentation which can be fairly intensive Active defrag has relatively negligible overhead, and assuming jemalloc even more so.