Daily Archives: 30th April 2018

JMap – Memory management for happy apps

Next up in our series of developer tools is JMap. There are plenty of errors or issues that might go wrong with your Java application, but there is one that happens more often than others – OutOfMemoryError, related to Java objects memory issues. Once your application throws one of these, your first target is Java…

Linux performance testing with perf, gprof and Valgrind

There are a lot of different Linux tools that can be used to profile and instrument executables. Some of them are non-intrusive and do not require any modification of our source code or build process, even sometimes do not introduce any runtime overhead. Others can increase the time needed to execute code up to few…