TSung

• Written in Erlang
• Able to simulate a huge number of simultaneous connections from a single machine - use for high load tests

Features

• High Performance - simulate large numbers of users and alias IP addresses
• Distributed
• Can support multiple protocols and SSL
• XML configuration system
• Dynamic scenarios - get data from server and re-inject in subsequent requests
• Mixed behaviours and randomize timings
• Generate reports - graphs

Running

• Command is tsung.
• Various options. Can specify a config file.
• There appear to be various recorders for creating tests.

Config File

• Tsung config file has option for logging html
• Can monitor the remote server to get stats such as cpu activity, load average and memory usage.
• Can configure various user and session settings in the config file
• There is built in support for various protocol types or you can use the raw option to send any kind of traffic to the server.
• Can match the server's response against given strings or regexps and increment counters or log

Statistics

• Can output various statistics using the tsung_stats.pl and tsung_plotter scripts.