innotest1
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:5k
- #!/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 Perln";
- print "-------------------------------------------n";
- print "This is a randomized stress test for concurrent inserts,n";
- print "updates, deletes, commits and rollbacks. The test will generaten";
- 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 notn";
- 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 killn";
- print "the perl processes running this test at any time and do CHECKn";
- print "TABLE on table innotest1 in the 'test' database.n";
- print "n";
- print "Some of these stress tests will print a lot of SQL errorsn";
- 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 > out1nn";
-
- print "Generating random keysn";
- $random[$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 innotest1n";
- $dbh->do("drop table innotest1");
- print "Creating table innotest1n";
- $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, $n rows fetchedn";
- }
- if (0 == ($j % 20000)) {
- print "Checking table innotest1...n";
- $dbh->do("check table innotest1");
- print "Table checked.n";
- }
- }
-
- $dbh->do("commit");
- }
- $dbh->disconnect; # close connection