SUMMARY:trussing a slow process

From: Samier.Kesou@bfa.de
Date: Tue Apr 29 2003 - 02:10:22 EDT

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hi,

thanks for the replies.
joe fletcher,

Bertrand Hutin,

Vincent Detzel ,

Alan Pae

LWP - light weight proccess ~ thread process.

      there for it can not be avoided.

the overall understanding was that the process is waiting for some child
process to get finished.

This could be a slow disk or a slow network connection, or a slow tape
drive.

I went for the network and found out that there is a dial up link from my
site to the backup client site.

thanks for the replies,

Samier.

----- Weitergeleitet von Samier Kesou/Extern/11/BfA-Berlin am 28.04.2003
16:33 -----
                                                                                                                 
                                                                                                                 
                      Samier.Kesou@bfa.de An: sunmanagers@sunmanagers.org
                      Gesendet von: Kopie:
                      sunmanagers-bounces@sunm Thema: trussing a slow process
                      anagers.org
                                                                                                                 
                                                                                                                 
                      28.04.2003 15:55
                                                                                                                 
                                                                                                                 

Hi,

i have an extrem slow backup process on a solaris 8 server.
trussing it gives me multple of the following lines:

...
lwp_cond_wait(0xFF08DFA0, 0xFF08DFB0, 0x00000000) (sleeping...)
lwp_cond_wait(0xFF00FFA0, 0xFF00FFB0, 0x00000000) (sleeping...)
...

man -k lwp gives me all the syscalls but i havent found the information
what lwp does and why it seems to slow down my backup process
can it be avoided?

thanks in advance
Samier.
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