SeaLion vs SignalFx: What are the differences?

SeaLion: Quickly diagnose problems with your Linux servers. SeaLion is a cloud based system monitoring tool for Linux servers. Getting started is as easy as executing a command. It installs an agent at /usr/local/sealion-agent and runs as an unprivileged user (sealion). This agent will collect data at regular intervals across servers and this data will be available on your workspace. The latest version is shipped with 5 default services namely Apache, NGINX, MongoDB, MySQL, Redis; SignalFx: Monitoring and Operational Intelligence for the Cloud. We provide operational intelligence for today’s elastic architectures through monitoring specifically designed for microservices and containers with: -powerful and proactive alerting -metrics aggregation -visualization into time series data.

SeaLion and SignalFx can be primarily classified as "Performance Monitoring" tools.

Some of the features offered by SeaLion are:

• Raw output. No learning curve
• Quickly identify critical issues
• Historical analysis

On the other hand, SignalFx provides the following key features:

• Beautiful streaming visualizations
• Meaningful, fast alerting using SignalFlow analytics
• High resolution metrics up to 1 sec