Software Engineering
MongoDB monitoring with mongostat
Another tool for monitoring the performance and health of a MongoDB node is mongostat. You’ll recall that...
Daniel Watrous
I'm a Software & Electrical Engineer and online entrepreneur.
Software Engineering
MongoDB monitoring with mongotop
In the process of tuning the performance of a MongoDB replica set, it’s useful to be able...
Software Engineering
MongoDB ReadPreference
MongoDB connections accommodate a ReadPreference, which in a clustered environment, like a replicaset, indicates how to select...
Software Engineering
MongoDB Authentication Setup
Authentication in MongoDB provides ‘normal’, which is full read and write, or ‘readonly’ access at a database...
Software Engineering
HP-UX shows strange characters for vi, top
I’ve been working on some HP-UX systems recently and had way too much trouble finding the solution...
Software Engineering
Wicket + Guice including unittests
Last week I spent way too much time integrating Apache Wicket and Google Guice. Yikes! The most...
Software Engineering
MongoDB Secure Mode
Security in MongoDB is relatively young in terms of features and granularity. Interestingly, they indicate that a...
Software Engineering
Redis as a cache for Java servlets
I’ve been refactoring an application recently to move away from a proprietary and inflexible in memory datastore....
Software Engineering
Refactoring to interfaces
The information below was delivered to one of my programmers as direction for how to implement a...
Software Engineering
Lightweight Replication Monitoring with MongoDB
One of my applications runs on a large assortment of hosts split between various data centers. Some...