[Bug 1028470] Re: apache2+ssl hangs on high load

Etienne CHAMPETIER etienne.champetier at free.fr
Tue Jan 29 10:52:42 UTC 2013

The issue is in part kernel related
this commit (introduced in 3.2.9) http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commitdiff;h=28d82dc1c4edbc352129f97f4ca22624d1fe61de introduced a epoll path limit of 1000 (1000 process listening on the same socket).

This commit (3.2.17)
restore the old behavior for non nested epoll path (so you can use
unlimited apache process)

Apache shouldn't hang but updating your kernel will solve the issue.
I've opened an apache ticket (https://issues.apache.org/bugzilla/show_bug.cgi?id=54502)

** Bug watch added: Apache Software Foundation Bugzilla #54502

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  apache2+ssl hangs on high load

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