From c1b7c246c1f6d204bb011151f914f7563c70a79b Mon Sep 17 00:00:00 2001
From: unknown <heikki@hundin.mysql.fi>
Date: Thu, 15 Aug 2002 22:22:56 +0300
Subject: Many files:   Add multithreaded stress tests for InnoDB   new file

sql-bench/innotest1.sh:
  Add multithreaded stress tests for InnoDB
sql-bench/innotest1a.sh:
  Add multithreaded stress tests for InnoDB
sql-bench/innotest1b.sh:
  Add multithreaded stress tests for InnoDB
sql-bench/innotest2.sh:
  Add multithreaded stress tests for InnoDB
sql-bench/innotest2a.sh:
  Add multithreaded stress tests for InnoDB
sql-bench/innotest2b.sh:
  Add multithreaded stress tests for InnoDB
sql-bench/Makefile.am:
  Add multithreaded stress tests for InnoDB
---
 sql-bench/innotest1b.sh | 100 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 sql-bench/innotest1b.sh

(limited to 'sql-bench/innotest1b.sh')

diff --git a/sql-bench/innotest1b.sh b/sql-bench/innotest1b.sh
new file mode 100644
index 00000000000..d83fce00efc
--- /dev/null
+++ b/sql-bench/innotest1b.sh
@@ -0,0 +1,100 @@
+#!@PERL@
+############################################################################
+#     Stress test for MySQL/InnoDB combined database
+#     (c) 2002 Innobase Oy & MySQL AB
+#
+############################################################################
+
+use DBI;
+use Benchmark;
+
+$opt_loop_count = 200000;
+
+chomp($pwd = `pwd`); $pwd = "." if ($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
-- 
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