[jboss-user] [Performance Tuning] - Re: JBoss (web service app) huge memory usage

[xinhua]

here is my memory pool:
Total Memory Pools: 5
  | 
  |     Pool: Code Cache (Non-heap memory)
  | 
  |         Peak Usage : init:2097152, used:19078080, committed:19136512, max:50331648
  |         Current Usage : init:2097152, used:19070336, committed:19136512, max:50331648
  | 
  | 
  |             |-------------------------| committed:18,25Mb
  |             +---------------------------------------------------------------------+
  |             |/////////////////////////| | max:48Mb
  |             +---------------------------------------------------------------------+
  |             |-------------------------| used:18,19Mb
  | 
  | 
  |     Pool: PS Eden Space (Heap memory)
  | 
  |         Peak Usage : init:270532608, used:328335360, committed:328335360, max:349634560
  |         Current Usage : init:270532608, used:121320968, committed:297140224, max:328335360
  | 
  | 
  |             |--------------------------------------------------------------| committed:283,38Mb
  |             +---------------------------------------------------------------------+
  |             |///////////////////////// | | max:313,12Mb
  |             +---------------------------------------------------------------------+
  |             |------------------------| used:115,7Mb
  | 
  | 
  |     Pool: PS Survivor Space (Heap memory)
  | 
  |         Peak Usage : init:45088768, used:45088424, committed:61734912, max:61734912
  |         Current Usage : init:45088768, used:14708968, committed:14745600, max:14745600
  | 
  | 
  |             |---------------------------------------------------------------------| committed:14,06Mb
  |             +---------------------------------------------------------------------+
  |             |/////////////////////////////////////////////////////////////////////| max:14,06Mb
  |             +---------------------------------------------------------------------+
  |             |--------------------------------------------------------------------| used:14,03Mb
  | 
  | 
  |     Pool: PS Old Gen (Heap memory)
  | 
  |         Peak Usage : init:717225984, used:364008224, committed:717225984, max:717225984
  |         Current Usage : init:717225984, used:217202688, committed:717225984, max:717225984
  | 
  | 
  |             |---------------------------------------------------------------------| committed:684Mb
  |             +---------------------------------------------------------------------+
  |             |///////////////////// | max:684Mb
  |             +---------------------------------------------------------------------+
  |             |--------------------| used:207,14Mb
  | 
  | 
  |     Pool: PS Perm Gen (Non-heap memory)
  | 
  |         Peak Usage : init:25165824, used:75780424, committed:88080384, max:88080384
  |         Current Usage : init:25165824, used:75610008, committed:83886080, max:88080384
  | 
  | 
  |             |-----------------------------------------------------------------| committed:80Mb
  |             +---------------------------------------------------------------------+
  |             |//////////////////////////////////////////////////////////// | | max:84Mb
  |             +---------------------------------------------------------------------+
  |             |-----------------------------------------------------------| used:72,11Mb

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