[Pkg-varnish-devel] Bug#709954: varnish: Varnish consumes 100% CPU without handling requests
Stefan Freudenberg
stefan at agaric.com
Mon May 27 00:38:11 UTC 2013
Package: varnish
Version: 3.0.2-2~bpo60+1
Severity: important
During a stress test one of two load balanced varnish servers started to
consume 100% of one CPU. The instance seemed to be functional, but it continued
to keep one CPU 100% busy until a restart of varnish.
-- System Information:
Debian Release: 6.0.7
APT prefers oldstable-updates
APT policy: (500, 'oldstable-updates'), (500, 'oldstable')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.32-5-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages varnish depends on:
ii adduser 3.112+nmu2 add and remove users and groups
ii gcc 4:4.4.5-1 The GNU C compiler
ii libc6 2.11.3-4 Embedded GNU C Library: Shared lib
ii libc6-dev [libc-dev] 2.11.3-4 Embedded GNU C Library: Developmen
ii libedit2 2.11-20080614-2 BSD editline and history libraries
ii libncurses5 5.7+20100313-5 shared libraries for terminal hand
ii libpcre3 8.02-1.1 Perl 5 Compatible Regular Expressi
ii libvarnishapi1 3.0.2-2~bpo60+1 shared libraries for Varnish
varnish recommends no packages.
Versions of packages varnish suggests:
pn varnish-doc <none> (no description available)
-- Configuration Files:
/etc/default/varnish changed:
START=yes
NFILES=131072
MEMLOCK=82000
INSTANCE=$(uname -n)
DAEMON_OPTS="-a 10.0.101.189:80 \
-f /etc/varnish/nyrr.vcl \
-T 10.0.101.189:6082 \
-p thread_pools=4 \
-p thread_pool_add_delay=2 \
-p thread_pool_min=200 \
-p thread_pool_max=4000 \
-p session_linger=100 \
-p sess_workspace=262144 \
-p cli_timeout=25 \
-S /etc/varnish/secret \
-s malloc,6G"
-- no debconf information
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