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| -rw-r--r-- | sql-bench/innotest2b.sh | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/sql-bench/innotest2b.sh b/sql-bench/innotest2b.sh new file mode 100644 index 00000000..56b44eda --- /dev/null +++ b/sql-bench/innotest2b.sh @@ -0,0 +1,104 @@ +#!/usr/bin/env perl +############################################################################ +# Stress test for MySQL/Innobase combined database +# (c) 2000 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: $!\n"; + +print "Innotest2b: MySQL/InnoDB stress test in Perl for FOREIGN keys\n"; +print "------------------------------------------------------------\n"; +print "This is a randomized stress test for concurrent inserts,\n"; +print "updates, deletes, commits and rollbacks with foreign keys with\n"; +print "the ON DELETE ... clause. The test will generate\n"; +print "also a lot of deadlocks, duplicate key errors, and other SQL errors.\n"; +print "\n"; +print "You should run innotest2, innotest2a, and innotest2b concurrently.\n"; +print "The thing to watch is that the server does not crash or does not\n"; +print "print to the .err log anything. Currently, due to a buglet in MySQL,\n"; +print "warnings about MySQL lock reservations can appear in the .err log.\n"; +print "The test will run very long, even several hours. You can kill\n"; +print "the perl processes running this test at any time and do CHECK\n"; +print "TABLE on tables innotest2a, b, c, d in the 'test' database.\n"; +print "\n"; +print "Some of these stress tests will print a lot of SQL errors\n"; +print "to the standard output. That is not to be worried about.\n"; +print "You can direct the output to a file like this:\n"; +print "perl innotest2 > out2\n\n"; + +print "Generating random keys\n"; +$random[$opt_loop_count] = 0; +$rnd_str[$opt_loop_count] = "a"; + +for ($i = 0; $i < $opt_loop_count; $i++) { + + $random[$i] = ($i * 98641) % $opt_loop_count; + + if (0 == ($random[$i] % 3)) { + $rnd_str[$i] = "khD"; + } else { if (1 == ($random[$i] % 3)) { + $rnd_str[$i] = "khd"; + } else { if (2 == ($random[$i] % 3)) { + $rnd_str[$i] = "kHd"; + }}} + + for ($j = 0; $j < (($i * 764877) % 10); $j++) { + $rnd_str[$i] = $rnd_str[$i]."k"; + } +} + +#### +#### Connect +#### + +$dbh = $server->connect(); + +$dbh->do("set autocommit = 0"); + +for ($i = 0; $i < 1; $i++) { + print "loop $i\n"; + + for ($j = 0; $j < $opt_loop_count - 10; $j = $j + 2) { + $dbh->do( + "insert into innotest2b (D, B, C) values (5, '".$rnd_str[$j]."' ,'".$rnd_str[$j]."')") + || print $dbh->errstr; + + $dbh->do( + "insert into innotest2a (D, B, C) values (5, '".$rnd_str[$j]."' ,'".$rnd_str[$j]."')") + || print $dbh->errstr; + + $dbh->do( + "insert into innotest2c (D, B, C) values (5, '".$rnd_str[$j]."' ,'".$rnd_str[$j]."')") + || print $dbh->errstr; + + $dbh->do("delete from innotest2b where A = ".$random[$random[$j]]) + || print $dbh->errstr; + + $dbh->do("update innotest2b set A = A + 1 where A = ".$random[$j]) + || print $dbh->errstr; + + if (0 == ($j % 10)) { + $dbh->do("commit"); + } + + if (0 == ($j % 39)) { + $dbh->do("rollback"); + } + + if (0 == ($j % 1000)) { + print "round $j\n"; + } + } + + $dbh->do("commit"); +} + +$dbh->disconnect; # close connection |