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From János Löbb <janos.l...@yale.edu>
Subject [OSX specific] Number of Mach ports
Date Fri, 16 Oct 2009 15:34:43 GMT
Hi,

How many Mach ports can be seen as normal usage ?  When I start Tomcat  
and it is launching the default apps the number of Mach ports is  
around 600 per java process.  On two production servers running 2-5  
additional web applications and also members of a tomcat cluster this  
number is 1154 and 2423.  /This is the #PRTS column in top /.

pathsrv1:
   PID COMMAND      %CPU   TIME   #TH #PRTS #MREGS RPRVT  RSHRD   
RSIZE  VSIZE
   172 java         0.0% 17:46.27  41  1154    787   63M    48M     
86M   496M

reptile:
   PID COMMAND      %CPU   TIME   #TH #PRTS #MREGS RPRVT  RSHRD   
RSIZE  VSIZE
18293 java         0.0%  6:24:19  73  2423    524  145M  4544K    
154M   439M


Should I worry ?  Where can I find info about Mach port usage by  
Tomcat ?

Thanks ahead,

János


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