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#!/usr/bin/perl -w
# Copyright (C) 2001 MySQL AB
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# This is a test with uses many processes to test a MySQL server.
#
# Tested a lot with: --threads=30
$opt_loop_count=500000; # Change this to make test harder/easier
##################### Standard benchmark inits ##############################
use DBI;
use Getopt::Long;
use Benchmark;
package main;
$opt_skip_create=$opt_skip_in=$opt_verbose=$opt_fast_insert=
$opt_lock_tables=$opt_debug=$opt_skip_delete=$opt_fast=$opt_force=0;
$opt_threads=5;
$opt_host=$opt_user=$opt_password=""; $opt_db="test";
GetOptions("host=s","db=s","user=s","password=s","loop-count=i","skip-create","skip-in","skip-delete","verbose","fast-insert","lock-tables","debug","fast","force","threads=i") || die "Aborted";
$opt_verbose=$opt_debug=$opt_lock_tables=$opt_fast_insert=$opt_fast=$opt_skip_in=$opt_force=undef; # Ignore warnings from these
print "Test of multiple connections that test the following things:\n";
print "insert, select, delete, update, alter, check, repair and flush\n";
@testtables = ( ["bench_f31", ""],
["bench_f32", "row_format=fixed"],
["bench_f33", "delay_key_write=1"],
["bench_f34", "checksum=1"],
["bench_f35", "delay_key_write=1"]);
$abort_table="bench_f39";
$numtables = $#testtables+1;
srand 100; # Make random numbers repeatable
####
#### Start timeing and start test
####
$start_time=new Benchmark;
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
if (!$opt_skip_create)
{
my $table_def;
foreach $table_def (@testtables)
{
my ($table,$extra)= ($table_def->[0], $table_def->[1]);
print "Creating table $table in database $opt_db\n";
$dbh->do("drop table if exists $table");
$dbh->do("create table $table".
" (id int(6) not null auto_increment,".
" info varchar(32)," .
" marker timestamp," .
" flag int not null," .
" primary key(id)) $extra")
or die $DBI::errstr;
# One row in the table will make future tests easier
$dbh->do("insert into $table (id) values (null)")
or die $DBI::errstr;
}
# Create the table we use to signal that we should end the test
$dbh->do("drop table if exists $abort_table");
$dbh->do("create table $abort_table (id int(6) not null) type=heap") ||
die $DBI::errstr;
}
$dbh->do("delete from $abort_table");
$dbh->disconnect; $dbh=0; # Close handler
$|= 1; # Autoflush
####
#### Start the tests
####
for ($i=0 ; $i < $opt_threads ; $i ++)
{
test_insert() if (($pid=fork()) == 0); $work{$pid}="insert";
}
for ($i=0 ; $i < $numtables ; $i ++)
{
test_insert($i,$i) if (($pid=fork()) == 0); $work{$pid}="insert_one";
}
for ($i=0 ; $i < $opt_threads ; $i ++)
{
test_select() if (($pid=fork()) == 0); $work{$pid}="select_key";
}
test_join() if (($pid=fork()) == 0); $work{$pid}="test_join";
test_select_count() if (($pid=fork()) == 0); $work{$pid}="select_count";
test_delete() if (($pid=fork()) == 0); $work{$pid}="delete";
test_update() if (($pid=fork()) == 0); $work{$pid}="update";
test_flush() if (($pid=fork()) == 0); $work{$pid}= "flush";
test_check() if (($pid=fork()) == 0); $work{$pid}="check";
test_repair() if (($pid=fork()) == 0); $work{$pid}="repair";
test_alter() if (($pid=fork()) == 0); $work{$pid}="alter";
#test_database("test2") if (($pid=fork()) == 0); $work{$pid}="check_database";
print "Started " . ($opt_threads*2+4) . " threads\n";
$errors=0;
$running_insert_threads=$opt_threads+$numtables;
while (($pid=wait()) != -1)
{
$ret=$?/256;
print "thread '" . $work{$pid} . "' finished with exit code $ret\n";
if ($work{$pid} =~ /^insert/)
{
if (!--$running_insert_threads)
{
# Time to stop other threads
signal_abort();
}
}
$errors++ if ($ret != 0);
}
#
# Cleanup
#
if (!$opt_skip_delete && !$errors)
{
my $table_def;
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
$dbh->do("drop table $abort_table");
foreach $table_def (@testtables)
{
$dbh->do("drop table " . $table_def->[0]);
}
$dbh->disconnect; $dbh=0; # Close handler
}
print ($errors ? "Test failed\n" :"Test ok\n");
$end_time=new Benchmark;
print "Total time: " .
timestr(timediff($end_time, $start_time),"noc") . "\n";
exit(0);
#
# Insert records in the table
#
sub test_insert
{
my ($from_table,$to_table)= @_;
my ($dbh,$i,$j,$count,$table_def,$table);
if (!defined($from_table))
{
$from_table=0; $to_table=$numtables-1;
}
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
for ($i=$count=0 ; $i < $opt_loop_count; $i++)
{
for ($j= $from_table ; $j <= $to_table ; $j++)
{
my ($table)= ($testtables[$j]->[0]);
$dbh->do("insert into $table values (NULL,'This is entry $i','',0)") || die "Got error on insert: $DBI::errstr\n";
$count++;
}
}
$dbh->disconnect; $dbh=0;
print "Test_insert: Inserted $count rows\n";
exit(0);
}
#
# select records
# Do continously select over all tables as long as there is changed
# rows in the table
#
sub test_select
{
my ($dbh, $i, $j, $count, $loop);
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
$count_query=make_count_query($numtables);
$count=0;
$loop=9999;
$i=0;
while (($i++ % 100) || !test_if_abort($dbh))
{
if ($loop++ >= 100)
{
$loop=0;
$row_counts=simple_query($dbh, $count_query);
}
for ($j=0 ; $j < $numtables ; $j++)
{
my ($id)= int rand $row_counts->[$j];
my ($table)= $testtables[$j]->[0];
simple_query($dbh, "select id,info from $table where id=$id");
$count++;
}
}
$dbh->disconnect; $dbh=0;
print "Test_select: Executed $count selects\n";
exit(0);
}
#
# Do big select count(distinct..) over the table
#
sub test_select_count
{
my ($dbh, $i, $j, $count, $loop);
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
$count=0;
$i=0;
while (!test_if_abort($dbh))
{
for ($j=0 ; $j < $numtables ; $j++)
{
my ($table)= $testtables[$j]->[0];
simple_query($dbh, "select count(distinct marker),count(distinct id),count(distinct info) from $table");
$count++;
}
sleep(20); # This query is quite slow
}
$dbh->disconnect; $dbh=0;
print "Test_select: Executed $count select count(distinct) queries\n";
exit(0);
}
#
# select records
# Do continously joins between the first and second table
#
sub test_join
{
my ($dbh, $i, $j, $count, $loop);
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
$count_query=make_count_query($numtables);
$count=0;
$loop=9999;
$i=0;
while (($i++ % 100) || !test_if_abort($dbh))
{
if ($loop++ >= 100)
{
$loop=0;
$row_counts=simple_query($dbh, $count_query);
}
for ($j=0 ; $j < $numtables-1 ; $j++)
{
my ($id)= int rand $row_counts->[$j];
my ($t1,$t2)= ($testtables[$j]->[0],$testtables[$j+1]->[0]);
simple_query($dbh, "select $t1.id,$t2.info from $t1, $t2 where $t1.id=$t2.id and $t1.id=$id");
$count++;
}
}
$dbh->disconnect; $dbh=0;
print "Test_join: Executed $count joins\n";
exit(0);
}
#
# Delete 1-5 rows from the first 2 tables.
# Test ends when the number of rows for table 3 didn't change during
# one loop
#
sub test_delete
{
my ($dbh, $i,$j, $row_counts, $count_query, $table_count, $count);
$table_count=2;
$count=0;
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
$count_query=make_count_query($table_count+1);
sleep(5); # Give time to insert some rows
$i=0;
while (($i++ % 10) || !test_if_abort($dbh))
{
sleep(1);
$row_counts=simple_query($dbh, $count_query);
for ($j=0 ; $j < $table_count ; $j++)
{
my ($id)= int rand $row_counts->[$j];
my ($table)= $testtables[$j]->[0];
$dbh->do("delete from $table where id >= $id-2 and id <= $id +2") || die "Got error on delete from $table: $DBI::errstr\n";
$count++;
}
}
$dbh->disconnect; $dbh=0;
print "Test_delete: Executed $count deletes\n";
exit(0);
}
#
# Update the flag for table 2 and 3
# Will abort after a while when table1 doesn't change max value
#
sub test_update
{
my ($dbh, $i, $j, $row_counts, $count_query, $count, $loop);
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
$count_query=make_count_query(3);
$loop=9999;
$count=0;
sleep(5); # Give time to insert some rows
$i=0;
while (($i++ % 100) || !test_if_abort($dbh))
{
if ($loop++ >= 100)
{
$loop=0;
$row_counts=simple_query($dbh, $count_query);
}
for ($j=1 ; $j <= 2 ; $j++)
{
my ($id)= int rand $row_counts->[$j];
my ($table)= $testtables[$j]->[0];
# Fix to not change the same rows as the above delete
$id= ($id + $count) % $row_counts->[$j];
$dbh->do("update $table set flag=flag+1 where id >= $id-2 and id <= $id +2") || die "Got error on update of $table: $DBI::errstr\n";
$count++;
}
}
$dbh->disconnect; $dbh=0;
print "Test_update: Executed $count updates\n";
exit(0);
}
#
# Run a check on all tables except the last one
# (The last one is not checked to put pressure on the key cache)
#
sub test_check
{
my ($dbh, $row, $i, $j, $type, $table);
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
$type= "check";
for ($i=$j=0 ; !test_if_abort($dbh) ; $i++)
{
sleep(1000);
$table=$testtables[$j]->[0];
$sth=$dbh->prepare("$type table $table") || die "Got error on prepare: $DBI::errstr\n";
$sth->execute || die $DBI::errstr;
while (($row=$sth->fetchrow_arrayref))
{
if ($row->[3] ne "OK")
{
print "Got error " . $row->[3] . " when doing $type on $table\n";
exit(1);
}
}
if (++$j == $numtables-1)
{
$j=0;
}
}
$dbh->disconnect; $dbh=0;
print "test_check: Executed $i checks\n";
exit(0);
}
#
# Do a repair on the first table once in a while
#
sub test_repair
{
my ($dbh, $row, $i, $type, $table);
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
$type= "repair";
for ($i=0 ; !test_if_abort($dbh) ; $i++)
{
sleep(2000);
$table=$testtables[0]->[0];
$sth=$dbh->prepare("$type table $table") || die "Got error on prepare: $DBI::errstr\n";
$sth->execute || die $DBI::errstr;
while (($row=$sth->fetchrow_arrayref))
{
if ($row->[3] ne "OK")
{
print "Got error " . $row->[3] . " when doing $type on $table\n";
exit(1);
}
}
}
$dbh->disconnect; $dbh=0;
print "test_repair: Executed $i repairs\n";
exit(0);
}
#
# Do a flush tables on table 3 and 4 once in a while
#
sub test_flush
{
my ($dbh,$count,$tables);
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
$tables=$testtables[2]->[0] . "," . $testtables[3]->[0];
$count=0;
while (!test_if_abort($dbh))
{
sleep(3000);
$dbh->do("flush tables $tables") ||
die "Got error on flush $DBI::errstr\n";
$count++;
}
$dbh->disconnect; $dbh=0;
print "flush: Executed $count flushs\n";
exit(0);
}
#
# Test all tables in a database
#
sub test_database
{
my ($database) = @_;
my ($dbh, $row, $i, $type, $tables);
$dbh = DBI->connect("DBI:mysql:$database:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
$tables= join(',',$dbh->func('_ListTables'));
$type= "check";
for ($i=0 ; !test_if_abort($dbh) ; $i++)
{
sleep(120);
$sth=$dbh->prepare("$type table $tables") || die "Got error on prepare: $DBI::errstr\n";
$sth->execute || die $DBI::errstr;
while (($row=$sth->fetchrow_arrayref))
{
if ($row->[3] ne "OK")
{
print "Got error " . $row->[2] . " " . $row->[3] . " when doing $type on " . $row->[0] . "\n";
exit(1);
}
}
}
$dbh->disconnect; $dbh=0;
print "test_check: Executed $i checks\n";
exit(0);
}
#
# Test ALTER TABLE on the second table
#
sub test_alter
{
my ($dbh, $row, $i, $type, $table);
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
for ($i=0 ; !test_if_abort($dbh) ; $i++)
{
sleep(100);
$table=$testtables[1]->[0];
$sth=$dbh->prepare("ALTER table $table modify info char(32)") || die "Got error on prepare: $DBI::errstr\n";
$sth->execute || die $DBI::errstr;
}
$dbh->disconnect; $dbh=0;
print "test_alter: Executed $i ALTER TABLE\n";
exit(0);
}
#
# Help functions
#
sub signal_abort
{
my ($dbh);
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
$dbh->do("insert into $abort_table values(1)") || die $DBI::errstr;
$dbh->disconnect; $dbh=0;
exit(0);
}
sub test_if_abort()
{
my ($dbh)=@_;
$row=simple_query($dbh,"select * from $opt_db.$abort_table");
return (defined($row) && defined($row->[0]) != 0) ? 1 : 0;
}
sub make_count_query
{
my ($table_count)= @_;
my ($tables, $count_query, $i, $tables_def);
$tables="";
$count_query="select high_priority ";
$table_count--;
for ($i=0 ; $i < $table_count ; $i++)
{
my ($table_def)= $testtables[$i];
$tables.=$table_def->[0] . ",";
$count_query.= "max(" . $table_def->[0] . ".id),";
}
$table_def=$testtables[$table_count];
$tables.=$table_def->[0];
$count_query.= "max(" . $table_def->[0] . ".id) from $tables";
return $count_query;
}
sub simple_query()
{
my ($dbh, $query)= @_;
my ($sth,$row);
$sth=$dbh->prepare($query) || die "Got error on '$query': " . $dbh->errstr . "\n";
$sth->execute || die "Got error on '$query': " . $dbh->errstr . "\n";
$row= $sth->fetchrow_arrayref();
$sth=0;
return $row;
}
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