Hello David,
It is a normal practice in Linux to delete temporary files immediately
after creating them. These files will still work for the process that
keeps them open, and will automatically disappear as soon as the process
ends.
I typed lsof /run/lock on a couple of my Ubuntu machines with Apache
installed, and the output was similar to yours.
--
With Best Regards,
Marat Khalili
On 18/04/16 08:25, David Cunningham wrote:
Hi,
While reviewing filesystem usage we noticed lots of deleted files
still open by Apache, as reported by lsof. Some example lines are below.
Can anyone advise why Apache is keeping these files open, and if
there's anything we can do about it? I have verified that the process
numbers listed are still existing processes.
The server is running Apache 2.4.7-1ubuntu4.8 on Ubuntu 14.04 server,
64bit. Thank you in advance.
/usr/sbin 13262 root 23w REG
0,19 0 110619773 /run/lock/apache2/rewrite-map.13262 (deleted)
/usr/sbin 13262 root 24w REG
0,19 0 105844737 /run/lock/apache2/ssl-cache.13261 (deleted)
/usr/sbin 22669 apacheuser 23w REG
0,19 0 110619773 /run/lock/apache2/rewrite-map.13262 (deleted)
/usr/sbin 22669 apacheuser 24w REG
0,19 0 105844737 /run/lock/apache2/ssl-cache.13261 (deleted)
/usr/sbin 22669 22671 apacheuser 23w REG
0,19 0 110619773 /run/lock/apache2/rewrite-map.13262 (deleted)
/usr/sbin 22669 22671 apacheuser 24w REG
0,19 0 105844737 /run/lock/apache2/ssl-cache.13261 (deleted)
/usr/sbin 22669 22672 apacheuser 23w REG
0,19 0 110619773 /run/lock/apache2/rewrite-map.13262 (deleted)
/usr/sbin 22669 22672 apacheuser 24w REG
0,19 0 105844737 /run/lock/apache2/ssl-cache.13261 (deleted)
/usr/sbin 22669 22673 apacheuser 23w REG
0,19 0 110619773 /run/lock/apache2/rewrite-map.13262 (deleted)
/usr/sbin 22669 22673 apacheuser 24w REG
0,19 0 105844737 /run/lock/apache2/ssl-cache.13261 (deleted)
/usr/sbin 22669 22674 apacheuser 23w REG
0,19 0 110619773 /run/lock/apache2/rewrite-map.13262 (deleted)
/usr/sbin 22669 22674 apacheuser 24w REG
0,19 0 105844737 /run/lock/apache2/ssl-cache.13261 (deleted)
--
David Cunningham, Voisonics
http://voisonics.com/
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