my nodebb just have less data,i can not bear this price .
i think i shoule use redis continue.
Thanks a lot
I was at a mongodb meetup in Dublin the other night and they did a presentation on their mongodb management service (I'm not actually sure that's what it's called). Anyway, it's awesome and worth checking out, so I figured I'd mention it: https://mms.mongodb.com/
If you are on AWS, you will mess yourself when you see how simply you can set up a sharded cluster with replica sets.