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Old 10-04-2010, 02:58 PM   #1
Registered: Oct 2005
Posts: 540

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process vs threads

Hi, anyone knows how I can distinguish whether I'm looking at a process or a thread when I issue "ps -ef"? Reason I'm asking is in Apache, I can configure the MPM to use prefork or worker. Whenever new connection is required, prefork adds an additional process, whereas worker adds an additional thread to the process.
Old 10-04-2010, 05:04 PM   #2
Registered: Nov 2005
Distribution: Fedora, Redhat
Posts: 372

Rep: Reputation: 101Reputation: 101
You need the 'L' flag, ps -eLf

(NLWP is number of threads; LWP is thread ID.)

There is not much of a performance difference between a process and a thread in Linux (from what I've read).

Last edited by tommylovell; 10-04-2010 at 05:08 PM.


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