Profiling

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Basic Overview of Profiling & Heap Analysis in Java

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Profiling

  1. 1. Profiling & Heap Analysis By Franz See of ValueCommerce [email_address] http://twitter.com/franz_see
  2. 2. Problems? Slow down Out of Memory
  3. 3. What are they? Profiler A form of Dynamic Program Analysis for Improving performance Heap Analysis Tool Tool for analyzing heap dumps
  4. 4. Example
  5. 5. Example
  6. 6. Example
  7. 7. Example
  8. 8. Popular Profiling Tools <ul><li>Paid </li><ul><li>JProfiler
  9. 9. YourKit </li></ul></ul><ul><li>Free </li><ul><li>Eclipse TPTP
  10. 10. Netbeans Profiler
  11. 11. Visual VM (comes with java 6u7) </li></ul></ul>
  12. 12. Popular Heap Analysis Tools <ul><li>Jhat
  13. 13. Eclipse Memory Analyzer Tool
  14. 14. <Profiling tools> </li></ul>
  15. 15. Common Profiling Views Self Tree Telemetry CPU Duration Per Method Call Tree CPU Load Memory Size per object of type Dominator Tree Memory Load Thread Duration per thread (---) (---)

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