For those of you who wonder why your JVM in Linux spawns so many processes:

"Unlike some other implementations of Unix (such as AIX or Solaris), the Linux kernel itself does not provide an abstraction of allowing several kernel threads to be packaged inside a process. Instead, a special version of the fork() system call (also known as clone()) has been implemented that allows you to specify that the child process should execute in the same address space as its parent. This system call is then used by the Linux threading library to present a thread programming abstraction to the user. From the user interface standpoint, practically all of the POSIX thread interfaces are fully supported under Linux; however, the implementation is not fully POSIX-compliant due to some problems in signaling. The result, however, is that each Java thread in the IBM Java VM for Linux is implemented by a corresponding user process whose process id and status can be displayed using the Linux ps command."

http://www-106.ibm.com/developerworks/library/java2/

Updated 2002-12-10 by mirod: turned the URL into a real link

In reply to Re: Re: Re: Is perl scalable? by emelander
in thread Is perl scalable? by silent11

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