Should You Enable MongoDB Journaling?

Should You Enable MongoDB Journaling?
MongoDB uses an on-disk journal to guarantee write operations and provide crash resiliency. MongoDB also creates a journal for every write that includes the exact disk location and the bytes that changed in the write. Thus, if you have a crash in the server, the journal can be used to replay any...




Tracking MongoDB Memory Usage

Tracking MongoDB Memory Usage - ScaleGrid Blog
Understanding MongoDB memory usage is crucial for a good MongoDB hosting experience. For best performance, it's imperative to keep your working set in-memory. I've seen a few suggestions that if you use solid-state drives (SSD), it makes memory less important. Dynamic random-access memory (DRAM)...