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innotest1.sh
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innotest1.sh
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#!/usr/bin/perl
############################################################################
# Stress test for MySQL/InnoDB combined database
# (c) 2002 Innobase Oy & MySQL AB
#
############################################################################
use Cwd;
use DBI;
use Benchmark;
$opt_loop_count = 100000;
$pwd = cwd(); $pwd = "." if ($pwd eq '');
require "$pwd/bench-init.pl" || die "Can't read Configuration file: $!\n";
print "Innotest1: MySQL/InnoDB stress test in Perl\n";
print "-------------------------------------------\n";
print "This is a randomized stress test for concurrent inserts,\n";
print "updates, deletes, commits and rollbacks. The test will generate\n";
print "also a lot of deadlocks, duplicate key errors, and other SQL errors.\n";
print "\n";
print "You should run innotest1, innotest1a, and innotest1b concurrently.\n";
print "The thing to watch is that the server does not crash or does not\n";
print "print to the .err log anything. Currently, due to a buglet in MySQL,\n";
print "warnings about MySQL lock reservations can appear in the .err log.\n";
print "The test will run very long, even several hours. You can kill\n";
print "the perl processes running this test at any time and do CHECK\n";
print "TABLE on table innotest1 in the 'test' database.\n";
print "\n";
print "Some of these stress tests will print a lot of SQL errors\n";
print "to the standard output. That is not to be worried about.\n";
print "You can direct the output to a file like this:\n";
print "perl innotest1 > out1\n\n";
print "Generating random keys\n";
$random[$opt_loop_count] = 0;
$rnd_str[$opt_loop_count] = "a";
for ($i = 0; $i < $opt_loop_count; $i++) {
$random[$i] = ($i * 63857) % $opt_loop_count;
if (0 == ($random[$i] % 3)) {
$rnd_str[$i] = "kjgclgrtfuylfluyfyufyulfulfyyulofuyolfyufyufuyfyufyufyufyufyyufujhfghd";
} else { if (1 == ($random[$i] % 3)) {
$rnd_str[$i] = "khd";
} else { if (2 == ($random[$i] % 3)) {
$rnd_str[$i] = "kh";
}}}
for ($j = 0; $j < (($i * 764877) % 20); $j++) {
$rnd_str[$i] = $rnd_str[$i]."k";
}
}
####
#### Connect
####
$dbh = $server->connect()
|| die $dbh->errstr;
$dbh->do("set autocommit = 0");
$n = 0;
for ($i = 0; $i < 1; $i++) {
print "Dropping table innotest1\n";
$dbh->do("drop table innotest1");
print "Creating table innotest1\n";
$dbh->do(
"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
(B, C), INDEX (C), INDEX (D), INDEX(E), INDEX(G)) TYPE = INNODB")
|| die $dbh->errstr;
for ($j = 2; $j < $opt_loop_count - 10; $j = $j + 2) {
if ($j % 10 == 0) {
$dbh->do(
"insert into innotest1 (D, B, C, F, G) values (5, '".$rnd_str[$j]."' ,'".$rnd_str[$j]."', NULL, NULL)");
} else {
$dbh->do(
"insert into innotest1 (D, B, C, F, G) values (5, '".$rnd_str[$j]."' ,'".$rnd_str[$j]."', NOW(), NOW())");
}
$dbh->do("update innotest1 set B = '".$rnd_str[$j + 7]."' where A = ".$random[$j + 5]);
$dbh->do("update innotest1 SET D = D + 1 where A =".($j / 2 - 500));
$dbh->do("update innotest1 set B = '".$rnd_str[$j + 1]."' where A =".($j / 2 - 505));
$dbh->do("delete from innotest1 where A = ".$random[$random[$j]]);
fetch_all_rows($dbh, "select b, c from innotest1 where a > ".$random[$j]." and a < ".($random[$j] + 7));
if (0 == ($j % 10)) {
$dbh->do("commit");
}
if (0 == ($j % 97)) {
fetch_all_rows($dbh, "select c, e, f, g from innotest1 where c = '".$rnd_str[$j - 68]."'");
fetch_all_rows($dbh, "select b, e, f, g from innotest1 where b = '".$rnd_str[$j - 677]."'");
fetch_all_rows($dbh, "select b, c, e, f, g from innotest1 where c = '".$rnd_str[$j - 68]."'");
fetch_all_rows($dbh, "select b, c, g from innotest1 where b = '".$rnd_str[$j - 677]."'");
fetch_all_rows($dbh, "select a, b, c, e, f, g from innotest1 where c = '".$rnd_str[$j - 68]."'");
fetch_all_rows($dbh, "select a, b, c, e, f, g from innotest1 where b = '".$rnd_str[$j - 677]."'");
fetch_all_rows($dbh, "select d, b, c from innotest1 where c = '".$rnd_str[$j - 68]."'");
fetch_all_rows($dbh, "select d, b, c, g from innotest1 where b = '".$rnd_str[$j - 677]."'");
$dbh->do("rollback");
}
for ($k = 1; $k < 10; $k++) {
$n += fetch_all_rows($dbh,
"SELECT a, d from innotest1 where a = ".(($k * 1764767) % $j));
$n += fetch_all_rows($dbh,
"SELECT * from innotest1 where a = ".(($k * 187567) % $j));
}
if (0 == ($j % 1000)) {
print "round $j, $n rows fetched\n";
}
if (0 == ($j % 20000)) {
print "Checking table innotest1...\n";
$dbh->do("check table innotest1");
print "Table checked.\n";
}
}
$dbh->do("commit");
}
$dbh->disconnect; # close connection