Hello!
The exact steps to reproduce this:
- set peruser configuration to this and start the server:
<IfModule peruser.c>
ServerLimit 700
MaxClients 700
MinSpareProcessors 0
MaxSpareProcessors 20
MinProcessors 0
MaxProcessors 80
MaxRequestsPerChild 1000
ExpireTimeout 7200
IdleTimeout 120
MinMultiplexers 3
MaxMultiplexers 40
MultiplexerIdleTimeout 120
ProcessorWaitTimeout 5
</IfModule>
- make some requests to the server
- run graceful restart on the server
- run ab -c 50 -n 100000 http://hostname/ on the server, error_log
should fill up with "long lost child" messages (on our server we got
about 10 lines).
Tested on x86_64 CentOS 5.5.
We confirmed that this did not happen on rc2.
I agree that the SIGHUP restart is more stable, but it kills all active
connections while graceful keeps them alive (and thus not interrupting
downloads).
I will be testing the latest patch on couple of our servers and if no
other major problems occur during the next few days, then I think we can
release the rc3 patch.
Greetings,
Taavi
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