5 ms·
I've seen people using MongoDB in memory only as a cache, so that they can mapreduce it. Even without that, it's writes to disk are async so it's fast.
by mcs 16y ago
I've seen people using MongoDB in memory only as a cache, so that they can mapreduce it. Even without that, it's writes to disk are async so it's fast.
- cdavid 16y agoWhat's the point of map reduce if data can be held in memory ?