Adding a copy of memcached to the tree.

[awesomized/libmemcached] / memcached / devtools / bench_noreply.pl

diff --git a/memcached/devtools/bench_noreply.pl b/memcached/devtools/bench_noreply.pl
new file mode 100644 (file)
index 0000000..365c682
--- /dev/null
+++ b/memcached/devtools/bench_noreply.pl
@@ -0,0 +1,51 @@
+#! /usr/bin/perl
+#
+use warnings;
+use strict;
+
+use IO::Socket::INET;
+
+use FindBin;
+
+@ARGV == 1 or @ARGV == 2
+    or die "Usage: $FindBin::Script HOST:PORT [COUNT]\n";
+
+# Note that it's better to run the test over the wire, because for
+# localhost the task may become CPU bound.
+my $addr = $ARGV[0];
+my $count = $ARGV[1] || 10_000;
+
+my $sock = IO::Socket::INET->new(PeerAddr => $addr,
+                                 Timeout  => 3);
+die "$!\n" unless $sock;
+
+
+# By running 'noreply' test first we also ensure there are no reply
+# packets left in the network.
+foreach my $noreply (1, 0) {
+    use Time::HiRes qw(gettimeofday tv_interval);
+
+    print "'noreply' is ", $noreply ? "enabled" : "disabled", ":\n";
+    my $param = $noreply ? 'noreply' : '';
+    my $start = [gettimeofday];
+    foreach (1 .. $count) {
+        print $sock "add foo 0 0 1 $param\r\n1\r\n";
+        scalar<$sock> unless $noreply;
+        print $sock "set foo 0 0 1 $param\r\n1\r\n";
+        scalar<$sock> unless $noreply;
+        print $sock "replace foo 0 0 1 $param\r\n1\r\n";
+        scalar<$sock> unless $noreply;
+        print $sock "append foo 0 0 1 $param\r\n1\r\n";
+        scalar<$sock> unless $noreply;
+        print $sock "prepend foo 0 0 1 $param\r\n1\r\n";
+        scalar<$sock> unless $noreply;
+        print $sock "incr foo 1 $param\r\n";
+        scalar<$sock> unless $noreply;
+        print $sock "decr foo 1 $param\r\n";
+        scalar<$sock> unless $noreply;
+        print $sock "delete foo $param\r\n";
+        scalar<$sock> unless $noreply;
+    }
+    my $end = [gettimeofday];
+    printf("update commands: %.2f secs\n\n", tv_interval($start, $end));
+}