102 lines
2.2 KiB
Perl
Executable File
102 lines
2.2 KiB
Perl
Executable File
#!/usr/bin/perl
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#
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use strict;
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use lib '../api/perl';
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use MemCachedClient;
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use Time::HiRes qw(time);
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unless (@ARGV == 2) {
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die "Usage: stress-memcached.pl ip:port threads\n";
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}
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my $host = shift;
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my $threads = shift;
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my $memc = new MemCachedClient;
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$memc->set_servers([$host]);
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unless ($memc->set("foo", "bar") &&
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$memc->get("foo") eq "bar") {
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die "memcached not running at $host ?\n";
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}
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$memc->disconnect_all();
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my $running = 0;
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while (1) {
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if ($running < $threads) {
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my $cpid = fork();
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if ($cpid) {
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$running++;
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#print "Launched $cpid. Running $running threads.\n";
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} else {
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stress();
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exit 0;
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}
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} else {
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wait();
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$running--;
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}
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}
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sub stress {
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undef $memc;
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$memc = new MemCachedClient;
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$memc->set_servers([$host]);
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my ($t1, $t2);
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my $start = sub { $t1 = time(); };
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my $stop = sub {
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my $op = shift;
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$t2 = time();
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my $td = sprintf("%0.3f", $t2 - $t1);
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if ($td > 0.25) { print "Took $td seconds for: $op\n"; }
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};
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my $max = rand(50);
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my $sets = 0;
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for (my $i = 0; $i < $max; $i++) {
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my $key = key($i);
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my $set = $memc->set($key, $key);
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$sets++ if $set;
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}
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for (1..int(rand(500))) {
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my $rand = int(rand($max));
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my $key = key($rand);
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my $meth = int(rand(3));
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my $exp = int(rand(3));
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undef $exp unless $exp;
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$start->();
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if ($meth == 0) {
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$memc->add($key, $key, $exp);
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$stop->("add");
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} elsif ($meth == 1) {
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$memc->delete($key);
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$stop->("delete");
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} else {
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$memc->set($key, $key, $exp);
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$stop->("set");
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}
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$rand = int(rand($max));
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$key = key($rand);
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$start->();
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my $v = $memc->get($key);
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$stop->("get");
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if ($v && $v ne $key) { die "Bogus: $v for key $rand\n"; }
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}
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$start->();
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my $multi = $memc->get_multi(map { key(int(rand($max))) } (1..$max));
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$stop->("get_multi");
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}
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sub key {
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my $n = shift;
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$_ = sprintf("%04d", $n);
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if ($n % 2) { $_ .= "a"x20; }
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$_;
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}
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