1#!/usr/bin/env perl
2############################################################################
3#     Stress test for MySQL/InnoDB combined database
4#     (c) 2002 Innobase Oy & MySQL AB
5#
6############################################################################
7
8use Cwd;
9use DBI;
10use Benchmark;
11
12$opt_loop_count = 100000;
13
14$pwd = cwd(); $pwd = "." if ($pwd eq '');
15require "$pwd/bench-init.pl" || die "Can't read Configuration file: $!\n";
16
17print "Innotest1: MySQL/InnoDB stress test in Perl\n";
18print "-------------------------------------------\n";
19print "This is a randomized stress test for concurrent inserts,\n";
20print "updates, deletes, commits and rollbacks. The test will generate\n";
21print "also a lot of deadlocks, duplicate key errors, and other SQL errors.\n";
22print "\n";
23print "You should run innotest1, innotest1a, and innotest1b concurrently.\n";
24print "The thing to watch is that the server does not crash or does not\n";
25print "print to the .err log anything. Currently, due to a buglet in MySQL,\n";
26print "warnings about MySQL lock reservations can appear in the .err log.\n";
27print "The test will run very long, even several hours. You can kill\n";
28print "the perl processes running this test at any time and do CHECK\n";
29print "TABLE on table innotest1 in the 'test' database.\n";
30print "\n";
31print "Some of these stress tests will print a lot of SQL errors\n";
32print "to the standard output. That is not to be worried about.\n";
33print "You can direct the output to a file like this:\n";
34print "perl innotest1 > out1\n\n";
35
36print "Generating random keys\n";
37$random[$opt_loop_count] = 0;
38$rnd_str[$opt_loop_count] = "a";
39
40for ($i = 0; $i < $opt_loop_count; $i++) {
41
42	$random[$i] = ($i * 63857) % $opt_loop_count;
43
44  	if (0 == ($random[$i] % 3)) {
45  		$rnd_str[$i] = "kjgclgrtfuylfluyfyufyulfulfyyulofuyolfyufyufuyfyufyufyufyufyyufujhfghd";
46	} else { if (1 == ($random[$i] % 3)) {
47		$rnd_str[$i] = "khd";
48	} else { if (2 == ($random[$i] % 3)) {
49		$rnd_str[$i] = "kh";
50	}}}
51
52	for ($j = 0; $j < (($i * 764877) % 20); $j++) {
53		$rnd_str[$i] = $rnd_str[$i]."k";
54	}
55}
56
57####
58####  Connect
59####
60
61$dbh = $server->connect()
62|| die $dbh->errstr;
63
64$dbh->do("set autocommit = 0");
65
66$n = 0;
67
68for ($i = 0; $i < 1; $i++) {
69
70	print "Dropping table innotest1\n";
71
72	$dbh->do("drop table innotest1");
73
74	print "Creating table innotest1\n";
75
76	$dbh->do(
77	"create table innotest1 (A INT NOT NULL AUTO_INCREMENT, D INT NOT NULL, B VARCHAR(200) NOT NULL, C VARCHAR(175), E TIMESTAMP, F TIMESTAMP, G DATETIME, PRIMARY KEY (A, D), INDEX
78(B, C), INDEX (C), INDEX (D), INDEX(E), INDEX(G)) TYPE = INNODB")
79	|| die $dbh->errstr;
80
81	for ($j = 2; $j < $opt_loop_count - 10; $j = $j + 2) {
82
83		if ($j % 10 == 0) {
84			$dbh->do(
85		"insert into innotest1 (D, B, C, F, G) values (5, '".$rnd_str[$j]."' ,'".$rnd_str[$j]."', NULL, NULL)");
86		} else {
87			$dbh->do(
88		"insert into innotest1 (D, B, C, F, G) values (5, '".$rnd_str[$j]."' ,'".$rnd_str[$j]."', NOW(), NOW())");
89		}
90
91		$dbh->do("update innotest1 set B = '".$rnd_str[$j + 7]."' where A = ".$random[$j + 5]);
92
93		$dbh->do("update innotest1 SET D = D + 1 where A =".($j / 2 - 500));
94
95		$dbh->do("update innotest1 set B = '".$rnd_str[$j + 1]."' where A =".($j / 2 - 505));
96
97		$dbh->do("delete from innotest1 where A = ".$random[$random[$j]]);
98
99		fetch_all_rows($dbh, "select b, c from innotest1 where a > ".$random[$j]." and a < ".($random[$j] + 7));
100
101		if (0 == ($j % 10)) {
102			$dbh->do("commit");
103		}
104
105		if (0 == ($j % 97)) {
106		fetch_all_rows($dbh, "select c, e, f, g from innotest1 where c = '".$rnd_str[$j - 68]."'");
107		fetch_all_rows($dbh, "select b, e, f, g from innotest1 where b = '".$rnd_str[$j - 677]."'");
108		fetch_all_rows($dbh, "select b, c, e, f, g from innotest1 where c = '".$rnd_str[$j - 68]."'");
109		fetch_all_rows($dbh, "select b, c, g from innotest1 where b = '".$rnd_str[$j - 677]."'");
110		fetch_all_rows($dbh, "select a, b, c, e, f, g from innotest1 where c = '".$rnd_str[$j - 68]."'");
111		fetch_all_rows($dbh, "select a, b, c, e, f, g from innotest1 where b = '".$rnd_str[$j - 677]."'");
112		fetch_all_rows($dbh, "select d, b, c from innotest1 where c = '".$rnd_str[$j - 68]."'");
113		fetch_all_rows($dbh, "select d, b, c, g from innotest1 where b = '".$rnd_str[$j - 677]."'");
114
115			$dbh->do("rollback");
116		}
117
118        	for ($k = 1; $k < 10; $k++) {
119
120                	$n += fetch_all_rows($dbh,
121"SELECT a, d from innotest1 where a = ".(($k * 1764767) % $j));
122
123                	$n += fetch_all_rows($dbh,
124"SELECT * from innotest1 where a = ".(($k * 187567) % $j));
125
126        	}
127
128		if (0 == ($j % 1000)) {
129			print "round $j, $n rows fetched\n";
130		}
131
132		if (0 == ($j % 20000)) {
133			print "Checking table innotest1...\n";
134			$dbh->do("check table innotest1");
135			print "Table checked.\n";
136		}
137	}
138
139	$dbh->do("commit");
140}
141
142$dbh->disconnect;				# close connection
143