error.log

4 13:27:59 [warn] 2606#2606: *2090133 an upstream response is buffered to a temporary file /var/cache/nginx/fastcgi_temp/8/45/0000117458 while reading upstream, client: 172.23.130.253, server: zabmon.bnc.ch, request: "POST /zabbix.php?sid=941387c4aebb256c&action=widget.hoststat.view HTTP/1.1", upstream: "fastcgi://unix:/var/run/zabmon.bnc.ch.socket:", host: "zabmon.bnc.ch", referrer: "https://zabmon.bnc.ch/zabbix.php?action=dashboard.view"
2018/01/04 13:29:00 [warn] 2606#2606: *2090133 an upstream response is buffered to a temporary file /var/cache/nginx/fastcgi_temp/9/45/0000117459 while reading upstream, client: 172.23.130.253, server: zabmon.bnc.ch, request: "POST /zabbix.php?sid=941387c4aebb256c&action=widget.hoststat.view HTTP/1.1", upstream: "fastcgi://unix:/var/run/zabmon.bnc.ch.socket:", host: "zabmon.bnc.ch", referrer: "https://zabmon.bnc.ch/zabbix.php?action=dashboard.view"
2018/01/04 13:29:22 [info] 2606#2606: *2090240 client closed connection while waiting for request, client: 193.43.27.196, server: 0.0.0.0:443
2018/01/04 13:30:01 [warn] 2606#2606: *2090133 an upstream response is buffered to a temporary file /var/cache/nginx/fastcgi_temp/0/46/0000117460 while reading upstream, client: 172.23.130.253, server: zabmon.bnc.ch, request: "POST /zabbix.php?sid=941387c4aebb256c&action=widget.hoststat.view HTTP/1.1", upstream: "fastcgi://unix:/var/run/zabmon.bnc.ch.socket:", host: "zabmon.bnc.ch", referrer: "https://zabmon.bnc.ch/zabbix.php?action=dashboard.view"
2018/01/04 13:31:02 [warn] 2606#2606: *2090133 an upstream response is buffered to a temporary file /var/cache/nginx/fastcgi_temp/1/46/0000117461 while reading upstream, client: 172.23.130.253, server: zabmon.bnc.ch, request: "POST /zabbix.php?sid=941387c4aebb256c&action=widget.hoststat.view HTTP/1.1", upstream: "fastcgi://unix:/var/run/zabmon.bnc.ch.socket:", host: "zabmon.bnc.ch", referrer: "https://zabmon.bnc.ch/zabbix.php?action=dashboard.view"