innotest1b
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:3k
- #!/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 = 200000;
- $pwd = cwd(); $pwd = "." if ($pwd eq '');
require "$pwd/bench-init.pl" || die "Can't read Configuration file: $!n";
- print "Innotest1b: 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;
- $dbh->do("set autocommit = 0");
- for ($i = 0; $i < 5; $i++) {
- print "loop $in";
- for ($j = 1; $j < $opt_loop_count - 10; $j = $j + 2) {
- fetch_all_rows($dbh, "select b, c from innotest1 where a > ".$random[$j]." and a < ".($random[$j] + 7));
-
- if (0 == ($j % 37)) {
- $dbh->do("commit");
- }
- if (0 == ($j % 533)) {
- $dbh->do("rollback");
- }
- if (0 == ($j % 537)) {
- print fetch_all_rows($dbh, "select c from innotest1 where c = '".$rnd_str[$j - 67]."'");
- print fetch_all_rows($dbh, "select b from innotest1 where b = '".$rnd_str[$j - 688]."'");
- print fetch_all_rows($dbh, "select b, c from innotest1 where c = '".$rnd_str[$j - 67]."'");
- print fetch_all_rows($dbh, "select b, c from innotest1 where b = '".$rnd_str[$j - 622]."'");
- print fetch_all_rows($dbh, "select a, b, c from innotest1 where c = '".$rnd_str[$j - 68]."'");
- print fetch_all_rows($dbh, "select a, b, c from innotest1 where b = '".$rnd_str[$j - 644]."'");
- print fetch_all_rows($dbh, "select d, b, c from innotest1 where c = '".$rnd_str[$j - 68]."'");
- print fetch_all_rows($dbh, "select d, b, c from innotest1 where b = '".$rnd_str[$j - 677]."'");
- print "n";
- }
- if (0 == (($j - 1) % 1000)) {
- print "round $jn";
- }
- }
-
- $dbh->do("commit");
- }
- $dbh->disconnect; # close connection