XRebel is a browser widget that profiles your application server all the time. It raises issues with slow requests and excessive IO, allowing you to quickly find the root cause.

Key features

• Application profiling - Track the time spent on each request. Find slow methods and make them run faster.
• Database and NoSQL - Get insight into database activity. Spot methods that query too much.
• Web services and RMI - Get a detailed overview of invocations executed. Detect slow calls.
• Messages and jobs - Monitor messages and background jobs. Fix resource hogs.
• Exceptions - Discover hidden exceptions. Follow the stack trace and fix the problems.