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From: Sergio Devojno Bruder (no email)
Date: Mon Apr 04 2005 - 10:11:00 EDT
Today our mupdate master started to behave strangely:
Here mupdate master decided to start a new group o threads after some failed new thread creations(?!):
Apr 4 10:59:23 mupdate mupdate[10678]: accepted connection
Apr 4 10:59:23 mupdate mupdate[10678]: could not start a new worker thread (not fatal)
Apr 4 10:59:23 mupdate last message repeated 349 times
Apr 4 10:59:23 mupdate mupdate[10678]: New worker thread started, for a total of 51
Apr 4 10:59:23 mupdate mupdate[10678]: New worker thread started, for a total of 52
Apr 4 10:59:23 mupdate mupdate[10678]: New worker thread started, for a total of 53
(...)
Apr 4 10:59:23 mupdate mupdate[10678]: New worker thread started, for a total of 99
Apr 4 10:59:23 mupdate mupdate[10678]: New worker thread started, for a total of 100
Directly after that mupdate continued to start new threads and *at the same time* destroy 'old' ones:
Apr 4 10:59:23 mupdate mupdate[10678]: Worker thread finished, for a total of 99 (50 spare)
Apr 4 10:59:23 mupdate mupdate[10678]: New worker thread started, for a total of 100
Apr 4 10:59:23 mupdate mupdate[10678]: Worker thread finished, for a total of 99 (50 spare)
Apr 4 10:59:23 mupdate mupdate[10678]: New worker thread started, for a total of 100
Apr 4 10:59:23 mupdate mupdate[10678]: Worker thread finished, for a total of 99 (50 spare)
Apr 4 10:59:23 mupdate mupdate[10678]: New worker thread started, for a total of 100
Apr 4 10:59:23 mupdate mupdate[10678]: Worker thread finished, for a total of 99 (50 spare)
Apr 4 10:59:23 mupdate mupdate[10678]: New worker thread started, for a total of 100
(...)
and so on.
This behaviour is ciclical, seconds apart, create a new group of threads, destroy it.
My configuration for mupdate follows:
###
# mupdate configuration
###
mupdate_workers_start: 5
mupdate_workers_minspare: 2
mupdate_workers_maxspare: 50
mupdate_connections_max: 800
mupdate_workers_max: 800
-- Sergio Devojno Bruder <> http://haxent.com.br 41 362-5930, 41 8402-2125 --- Cyrus Home Page: http://asg.web.cmu.edu/cyrus Cyrus Wiki/FAQ: http://cyruswiki.andrew.cmu.edu List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
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