1
vote
1answer
18 views

MongoDB - DB/collection fragmentation level

I recently had a performance issue with one of my collections. On a whim (and thanks to this article), I decided to try compacting (as written in the official documentation). This worked brilliantly. ...
2
votes
1answer
177 views

MongoDB CPU usage in top is confusing

I have an Ubuntu 12.04 VM running in VirtualBox that has a whole MongoDB cluster on it (4 data nodes, one config node, and a mongos router). When I look at "top", I see that each of those processes ...
0
votes
1answer
212 views

MongoDB Master and Slave - Windows or Linux [closed]

I have recently moved my MS Sql Server DB to MongoDB (2.0) on Windows Server 2008. Its containing 2 databases with following stats. (both databases get around 100 reads/writes per second). These ...
1
vote
2answers
511 views

MongoDB replicaSet failover incurs 1000x query response time increase

I'm testing a production MongoDB replica set failover. When I manually fail one of the instances I see an approx. 1000x (one thousand x) decrease in response times of my PHP queries. I'm on the ...
0
votes
3answers
94 views

Local computer for serving a web app via LAN [duplicate]

Possible Duplicate: How do you do Load Testing and Capacity Planning for Web Sites I'm planning to create a "voting tool" to help votation in a conference of my NGO. My idea would be to ...
0
votes
1answer
643 views

MongoDB (or CouchDB) on a desktop machine?

If I try to run MongoDB on a desktop-grade machine, what performance should I expect? Let's suppose I'll have a regular SATA drive, something like Core 2 Duo and 4 or 8 GB of RAM. Will it be ...