TT#60300 add LimitNOFILE to recording daemon systemd unit

closes #791

Change-Id: Iedf2353d7415b0b8e11f001217471007d2ff6de8

debian/ngcp-rtpengine-recording-daemon.service

@@ -8,6 +8,7 @@ Requires=ngcp-rtpengine-recording-nfs-mount.service
 
 [Service]
 Type=notify
+LimitNOFILE=100000
 PIDFile=/run/ngcp-rtpengine-recording-daemon.pid
 ExecStart=/usr/sbin/rtpengine-recording -f -E --no-log-timestamps --pidfile /run/ngcp-rtpengine-recording-daemon.pid --config-file /etc/rtpengine/rtpengine-recording.conf