Memprof is a Ruby level memory profiler that can help you find reference leaks in your application. Memprof can also do very lightweight function call tracing to help you figure out which system calls, and library calls your code causes. Ruby memory profiler similar to bleak_house, but without patches to the Ruby VM.<BR><BR>It uses various binary rewriting techniques to insert hooks into the running Ruby process, allowing you to collect data without having to run a patched Ruby installation. Currently, memprof provides data about object allocation, garbage collection, and full dumps of the Ruby heap. <BR><BR><A HREF="http://memprof.com/" target="_blank">http://memprof.com/</A> is a hosted service to analyze dumps and it will be free during beta period.

Memprof is a Ruby level memory profiler that can help you find reference leaks in your application. Memprof can also do very lightweight function call tracing to help you figure out which system calls, and library calls your code causes. Ruby memory profiler similar to bleak_house, but without patches to the Ruby VM.

Memprof - A Ruby gem for memory profiling

ruby-prof is a fast code profiler for Ruby. Its features include:

  <ul>
            <li>Speed - it is a C extension and therefore many times faster than the
            standard Ruby profiler.            
            </li>
            <li>Modes - Ruby prof can measure a number of different parameters, including call times, memory usage and object allocations.
            </li>
            <li>Reports - can generate text and cross-referenced html reports
            <ul>
            <li>Flat Profiles - similar to the reports generated by the standard Ruby
            profiler
            </li>
            <li>Graph profiles - similar to GProf, these show how long a method runs, which
            methods call it and which methods it calls.
            </li>
            <li>Call tree profiles - outputs results in the calltree format suitable for
            the KCacheGrind profiling tool.
            </li>
            </ul>
            </li>
            <li>Threads - supports profiling multiple threads simultaneously
            </li>
            <li>Recursive calls - supports profiling recursive method calls
            </li>
            </ul>

ruby-prof is a fast code profiler for Ruby.

Ruby-Prof - fast code profiler for Ruby

A Ruby library for finding memory leaks. Its features include:
  <UL>
	<LI>leak-proof C instrumentation</LI>
	<LI>minimal impact on runtime performance</LI>
	<LI>fast analysis step</LI>
	<LI>tracks all objects allocated on the heap, including internal types like T_NODE</LI>
	<LI>easy integration into any program, not just Rails</LI>
 </UL>

BleakHouse - Ruby library to find memory leaks

This library help to track down memory leak. It worked very well because it adds the process id and memory usage in with EVERY single line logged and at the end of each rails request. This way, if you have a cluster, you can monitor each process and scroll through your logs and watch the memory. If it suddenly starts to jump you can look at the request and at least you have a starting point. You can checkout the code for that specific controller action and try to narrow it down.

Adds in proccess id and memory usage in your rails logs, great for tracking down memory leaks.

Memorylogic - Memory usage logger

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Memprof - A Ruby gem for memory profiling

Ruby-Prof - fast code profiler for Ruby

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Memorylogic - Memory usage logger

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Memprof - A Ruby gem for memory profiling

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Memorylogic - Memory usage logger

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