From: Stephen Caine [mailto:[EMAIL PROTECTED] I have a process that generates hundreds of threads. Running on Mac OS X 10.5.2 Server, the thread count tops out at approximately 2500. After which, the process is terminated. The heap size is set to 1 gigabyte. My question is how to increase the capacity of the JVM to handle more threads. Is the value of 2500 an absolute limit, or can it be modified by setting the thread allocation, increasing heap size or the use of another java option?
What error message are you seeing in catalina.out?You are probably running out of memory. Each thread needs a certain amount of heap and stack.
You may also want to look at the limits you set in the shell Defaults from mac os x 10.5.2 $ ulimit -a core file size (blocks, -c) 0 data seg size (kbytes, -d) 6144 file size (blocks, -f) unlimited max locked memory (kbytes, -l) unlimited max memory size (kbytes, -m) unlimited open files (-n) 256 pipe size (512 bytes, -p) 1 stack size (kbytes, -s) 8192 cpu time (seconds, -t) unlimited max user processes (-u) 266 virtual memory (kbytes, -v) unlimited $
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