release/src/router/mysql/sql-bench/innotest1b.sh

   1 #!/usr/bin/perl
   2 ############################################################################
   3 #     Stress test for MySQL/InnoDB combined database
   4 #     (c) 2002 Innobase Oy & MySQL AB
   5 #
   6 ############################################################################
   7
   8 use Cwd;
   9 use DBI;
  10 use Benchmark;
  11
  12 $opt_loop_count = 200000;
  13
  14 $pwd = cwd(); $pwd = "." if ($pwd eq '');
  15 require "$pwd/bench-init.pl" || die "Can't read Configuration file: $!\n";
  16
  17 print "Innotest1b: MySQL/InnoDB stress test in Perl\n";
  18 print "-------------------------------------------\n";
  19 print "This is a randomized stress test for concurrent inserts,\n";
  20 print "updates, deletes, commits and rollbacks. The test will generate\n";
  21 print "also a lot of deadlocks, duplicate key errors, and other SQL errors.\n";
  22 print "\n";
  23 print "You should run innotest1, innotest1a, and innotest1b concurrently.\n";
  24 print "The thing to watch is that the server does not crash or does not\n";
  25 print "print to the .err log anything. Currently, due to a buglet in MySQL,\n";
  26 print "warnings about MySQL lock reservations can appear in the .err log.\n";
  27 print "The test will run very long, even several hours. You can kill\n";
  28 print "the perl processes running this test at any time and do CHECK\n";
  29 print "TABLE on table innotest1 in the 'test' database.\n";
  30 print "\n";
  31 print "Some of these stress tests will print a lot of SQL errors\n";
  32 print "to the standard output. That is not to be worried about.\n";
  33 print "You can direct the output to a file like this:\n";
  34 print "perl innotest1 > out1\n\n";
  35
  36 print "Generating random keys\n";
  37 $random[$opt_loop_count] = 0;
  38 $rnd_str[$opt_loop_count] = "a";
  39
  40 for ($i = 0; $i < $opt_loop_count; $i++) {
  41
  42         $random[$i] = ($i * 63857) % $opt_loop_count;
  43
  44         if (0 == ($random[$i] % 3)) {
  45                 $rnd_str[$i] = "kjgclgrtfuylfluyfyufyulfulfyyulofuyolfyufyufuyfyufyufyufyufyyufujhfghd";
  46         } else { if (1 == ($random[$i] % 3)) {
  47                 $rnd_str[$i] = "khd";
  48         } else { if (2 == ($random[$i] % 3)) {
  49                 $rnd_str[$i] = "kh";
  50         }}}
  51
  52         for ($j = 0; $j < (($i * 764877) % 20); $j++) {
  53                 $rnd_str[$i] = $rnd_str[$i]."k";
  54         }
  55 }
  56
  57 ####
  58 ####  Connect
  59 ####
  60
  61 $dbh = $server->connect()
  62 || die $dbh->errstr;
  63
  64 $dbh->do("set autocommit = 0");
  65
  66 for ($i = 0; $i < 5; $i++) {
  67         print "loop $i\n";
  68
  69         for ($j = 1; $j < $opt_loop_count - 10; $j = $j + 2) {
  70
  71                 fetch_all_rows($dbh, "select b, c from innotest1 where a > ".$random[$j]." and a < ".($random[$j] + 7));
  72
  73                 if (0 == ($j % 37)) {
  74                         $dbh->do("commit");
  75                 }
  76
  77                 if (0 == ($j % 533)) {
  78                         $dbh->do("rollback");
  79                 }
  80
  81                 if (0 == ($j % 537)) {
  82                 print fetch_all_rows($dbh, "select c from innotest1 where c = '".$rnd_str[$j - 67]."'");
  83                 print fetch_all_rows($dbh, "select b from innotest1 where b = '".$rnd_str[$j - 688]."'");
  84                 print fetch_all_rows($dbh, "select b, c from innotest1 where c = '".$rnd_str[$j - 67]."'");
  85                 print fetch_all_rows($dbh, "select b, c from innotest1 where b = '".$rnd_str[$j - 622]."'");
  86                 print fetch_all_rows($dbh, "select a, b, c from innotest1 where c = '".$rnd_str[$j - 68]."'");
  87                 print fetch_all_rows($dbh, "select a, b, c from innotest1 where b = '".$rnd_str[$j - 644]."'");
  88                 print fetch_all_rows($dbh, "select d, b, c from innotest1 where c = '".$rnd_str[$j - 68]."'");
  89                 print fetch_all_rows($dbh, "select d, b, c from innotest1 where b = '".$rnd_str[$j - 677]."'");
  90                 print "\n";
  91                 }
  92
  93                 if (0 == (($j - 1) % 1000)) {
  94                         print "round $j\n";
  95                 }
  96         }
  97
  98         $dbh->do("commit");
  99 }
 100
 101 $dbh->disconnect;                               # close connection