It just occurred to me that I was timing sudo in my last post, so here
are the sudo-less numbers:
root@steve-ubuntu:~# time for pid in $(pidof apache2); do find "/proc/$pid/fd"
-lname "/var/lib/php5/*" -print -exec touch {} \; ; done
/proc/30005/fd/21
real 0m0.042s
user 0m0.016s
sys 0m0.026s
root@steve-ubuntu:~# time /usr/bin/lsof -w -l +d /var/lib/php5
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
apache2 30005 33 21uW REG 8,3 0 268283
/var/lib/php5/sess_r5mhepbrhgmgsdnvkj72ppoc37
real 0m1.076s
user 0m0.517s
sys 0m0.846s
root@steve-ubuntu:~# time /usr/bin/lsof -w -l -a +d /var/lib/php5 -c apache2
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
apache2 30005 33 21uW REG 8,3 0 268283
/var/lib/php5/sess_r5mhepbrhgmgsdnvkj72ppoc37
real 0m0.070s
user 0m0.032s
sys 0m0.052s
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https://bugs.launchpad.net/bugs/1356113
Title:
PHP5 session clean cron job causes OOM
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