System information used for testing Linode1G1024CentOS7 + Apache + PHP load capacity AB:
[root@localhost ~]# uname -aLinux localhost.localdomain 3.15.4-x86_64-linode45 #1 SMP Mon Jul 7 08:42:36 EDT 2014 x86_64 x86_64 x86_64 GNU/Linux[root@localhost ~]# php -vPHP 5.4.16 (cli) (built: Aug 6 2014 13:12:28)Copyright (c) 1997-2013 The PHP GroupZend Engine v2.4.0, Copyright (c) 1998-2013 Zend Technologies[root@localhost ~]# httpd -vServer version: Apache/2.4.6 (CentOS)Server built: Jul 23 2014 14:48:00[root@localhost ~]#
Result of the AB test phpinfo (): The throughput is 759!
D:\wamp\bin\apache\apache2.4.9\bin>ab -n 100 -c 10 http://linode.zbphp.com/This is ApacheBench, Version 2.3 <$Revision: 1554214 $>Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/Licensed to The Apache Software Foundation, http://www.apache.org/Benchmarking linode.zbphp.com (be patient).....doneServer Software: Apache/2.4.6Server Hostname: linode.zbphp.comServer Port: 80Document Path: /Document Length: 52627 bytesConcurrency Level: 10Time taken for tests: 7.592 secondsComplete requests: 100Failed requests: 14 (Connect: 0, Receive: 0, Length: 14, Exceptions: 0)Total transferred: 5280981 bytesHTML transferred: 5262681 bytesRequests per second: 13.17 [#/sec] (mean)Time per request: 759.206 [ms] (mean)Time per request: 75.921 [ms] (mean, across all concurrent requests)Transfer rate: 679.29 [Kbytes/sec] receivedConnection Times (ms) min mean[+/-sd] median maxConnect: 60 73 4.7 70 80Processing: 208 635 101.4 660 690Waiting: 70 237 120.5 220 640Total: 279 708 101.5 740 770Percentage of the requests served within a certain time (ms) 50% 740 66% 740 75% 740 80% 745 90% 750 95% 760 98% 760 99% 770 100% 770 (longest request)D:\wamp\bin\apache\apache2.4.9\bin>