Hi,
When I use PHP (mod_php) with a firewall between PHP and a memcached
server (or an oracle) it seems that there is no keepalive.
So when the firewall reach the TCP Idle timeout, it close the connection.
With memcache, PHP seem to be able to recover is connexion after some
(long) seconds
But with oci8, PHP hangs for an unlimited time, you can no more stop
apache without hard killing it
# memcache :
tcp 0 0 10.0.1.1:57705 10.0.2.2:9600 ESTABLISHED off
(0.00/0/0)
tcp 0 0 10.0.1.1:57696 10.0.2.2:9600 ESTABLISHED off
(0.00/0/0)
tcp 0 0 10.0.1.1:57708 10.0.2.2:9600 ESTABLISHED off
(0.00/0/0)
# oracle
tcp 0 0 10.0.1.1:36353 10.0.2.1:1521 ESTABLISHED off
(0.00/0/0)
tcp 0 0 10.0.1.1:36342 10.0.2.1:1521 ESTABLISHED off
(0.00/0/0)
tcp 0 0 10.0.1.1:36350 10.0.2.1:1521 ESTABLISHED off
(0.00/0/0)
Any one already have this issue ? (Keepalive have been already tune
after reading http://tldp.org/HOWTO/TCP-Keepalive-HOWTO/usingkeepalive.html)
(Debug was done on a PHP 5.4.16 latest CentOS7 package)
Best regards,
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