Stay Hungry

It’s always good to know what’s really doing on under the hood.  Even if you never have to think about it directly, you should know how your data is being handled.  We jumped on the journaling train and haven’t looked back.  Now we know a bit more about the locomotive.

an excerpt from blog.mongo.org:

Version 1.8 of MongoDB supports journaling in the storage engine for crash safety and fast recovery. An interesting question arises then regarding how journaling interacts with replication.

A traditional approach might be to wait for the commit (i.e., journal physical write confirmed) before…