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Diffstat (limited to 'sql-bench/innotest1b.sh')
| -rw-r--r-- | sql-bench/innotest1b.sh | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/sql-bench/innotest1b.sh b/sql-bench/innotest1b.sh new file mode 100644 index 00000000..0a909d1a --- /dev/null +++ b/sql-bench/innotest1b.sh @@ -0,0 +1,101 @@ +#!/usr/bin/env 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: $!\n"; + +print "Innotest1b: MySQL/InnoDB stress test in Perl\n"; +print "-------------------------------------------\n"; +print "This is a randomized stress test for concurrent inserts,\n"; +print "updates, deletes, commits and rollbacks. The test will generate\n"; +print "also a lot of deadlocks, duplicate key errors, and other SQL errors.\n"; +print "\n"; +print "You should run innotest1, innotest1a, and innotest1b concurrently.\n"; +print "The thing to watch is that the server does not crash or does not\n"; +print "print to the .err log anything. Currently, due to a buglet in MySQL,\n"; +print "warnings about MySQL lock reservations can appear in the .err log.\n"; +print "The test will run very long, even several hours. You can kill\n"; +print "the perl processes running this test at any time and do CHECK\n"; +print "TABLE on table innotest1 in the 'test' database.\n"; +print "\n"; +print "Some of these stress tests will print a lot of SQL errors\n"; +print "to the standard output. That is not to be worried about.\n"; +print "You can direct the output to a file like this:\n"; +print "perl innotest1 > out1\n\n"; + +print "Generating random keys\n"; +$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"); + +for ($i = 0; $i < 5; $i++) { + print "loop $i\n"; + + for ($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 $j\n"; + } + } + + $dbh->do("commit"); +} + +$dbh->disconnect; # close connection |