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| Linux and Listeners |
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| anderc1 |
 Posted: Tue May 06, 2008 6:19 am Post subject: Linux and Listeners |
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Acolyte
Joined: 11 Sep 2002
Posts: 55
Location: Research Triangle Park, NC
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Sure this has been asked before, did a search and couldn't find it.
I have seen on Intel Linux and now z/Linux, when you display the processes for runmqlsr, it lists multiple processes for a single listener. Create another listener on different port, you get 5 processes. Don't have a AIX box handy, but seemed like it was one process per listener port. Why does Linux create mulitple processes for a listener? |
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| Vitor |
| Posted: Tue May 06, 2008 6:26 am Post subject: Re: Linux and Listeners |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| anderc1 wrote: |
| Why does Linux create mulitple processes for a listener? |
Modern listeners can be multi-threaded, if the box is using the new listener technology. The AIX box you saw may have had an older version.
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Honesty is the best policy.
Insanity is the best defence. |
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| jefflowrey |
| Posted: Tue May 06, 2008 8:58 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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More likely, it is the version of "ps" on Linux that reports threads as proceses.
Fairly common in some kernels.
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| PeterPotkay |
| Posted: Tue May 06, 2008 9:03 am Post subject: |
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Poobah
Joined: 15 May 2001
Posts: 7722
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Your Linux server is probably displaying every thread as a seperate line entry. Double check your output again. Do all those "processes" have the same PID?
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Peter Potkay
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