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phptriad2-2-1.exe
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test-connect
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2001-12-29
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#!/usr/bin/perl
# Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with this library; if not, write to the Free
# Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
# MA 02111-1307, USA
#
# This test is for testing the speed of connections and sending
# data to the client.
#
# By changing the variable '$opt_loop_count' value you can make this test
# easier/harderto your computer to execute. You can also change this value
# by using option --loop_value='what_ever_you_like'.
##################### Standard benchmark inits ##############################
use DBI;
use Benchmark;
$opt_loop_count=10000; # Change this to make test harder/easier
$str_length=65000; # This is the length of blob strings in PART:5
$max_test=20; # How many times to test if the server is busy
chomp($pwd = `pwd`); $pwd = "." if ($pwd eq '');
require "$pwd/bench-init.pl" || die "Can't read Configuration file: $!\n";
# This is the length of blob strings in PART:5
$str_length=min($limits->{'max_text_size'},$limits->{'query_size'}-30,$str_length);
if ($opt_small_test)
{
$opt_loop_count/=100;
}
$opt_loop_count=min(1000, $opt_loop_count) if ($opt_tcpip);
print "Testing the speed of connecting to the server and sending of data\n";
print "All tests are done $opt_loop_count times\n\n";
################################# PART:1 ###################################
####
#### Start timeing and start connect test..
####
$start_time=new Benchmark;
print "Testing connection/disconnect\n";
$loop_time=new Benchmark;
$errors=0;
for ($i=0 ; $i < $opt_loop_count ; $i++)
{
print "$i " if (($opt_debug));
for ($j=0; $j < $max_test ; $j++)
{
if ($dbh = DBI->connect($server->{'data_source'}, $opt_user,
$opt_password))
{
$dbh->disconnect;
last;
}
select(undef, undef, undef, 0.01*$j);
print "$errors " if (($opt_debug));
$errors++;
}
die "Got error '$DBI::errstr' after $i connects" if ($j == $max_test);
$dbh->disconnect;
undef($dbh);
}
$end_time=new Benchmark;
print "Warning: $errors connections didn't work without a time delay\n" if ($errors);
print "Time to connect ($opt_loop_count): " .
timestr(timediff($end_time, $loop_time),"all") . "\n\n";
################################# PART:2 ###################################
#### Now we shall do first one connect, then simple select
#### (select 1..) and then close connection. This will be
#### done $opt_loop_count times.
if ($limits->{'select_without_from'})
{
print "Test connect/simple select/disconnect\n";
$loop_time=new Benchmark;
for ($i=0; $i<$opt_loop_count; $i++)
{
$dbh = DBI->connect($server->{'data_source'}, $opt_user, $opt_password) || die $DBI::errstr;
$sth = $dbh->do("select 1") or die $DBI::errstr;
$dbh->disconnect;
}
$end_time=new Benchmark;
print "Time for connect+select_simple ($opt_loop_count): " .
timestr(timediff($end_time, $loop_time),"all") . "\n\n";
}
################################# PART:3 ###################################
####
#### Okay..Next thing we'll do is a simple select $opt_loop_count times.
####
$dbh = DBI->connect($server->{'data_source'}, $opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
if ($limits->{'select_without_from'})
{
print "Test simple select\n";
$loop_time=new Benchmark;
for ($i=0 ; $i<$opt_loop_count ; $i++)
{
$sth = $dbh->do("select 1") or die $DBI::errstr;
}
$end_time=new Benchmark;
print "Time for select_simple ($opt_loop_count): " .
timestr(timediff($end_time, $loop_time),"all") . "\n\n";
}
################################# PART:4 ###################################
#### First, we'll create a simple table 'bench1'
#### Then we shall do $opt_loop_count selects from this table.
#### Table will contain very simple data.
$sth = $dbh->do("drop table bench1" . $server->{'drop_attr'});
do_many($dbh,$server->create("bench1",
["a int NOT NULL",
"i int",
"s char(10)"],
["primary key (a)"]));
$sth = $dbh->do("insert into bench1 values(1,100,'AAA')") or die $DBI::errstr;
if ($opt_fast && defined($server->{vacuum}))
{
$server->vacuum(0,\$dbh);
}
$dbh->disconnect;
#
# First test connect/select/disconnect
#
print "Testing connect/select 1 row from table/disconnect\n";
$loop_time=new Benchmark;
$errors=0;
for ($i=0 ; $i<$opt_loop_count ; $i++)
{
for ($j=0; $j < $max_test ; $j++)
{
last if ($dbh = DBI->connect($server->{'data_source'}, $opt_user, $opt_password));
$errors++;
}
die $DBI::errstr if ($j == $max_test);
$sth = $dbh->do("select * from bench1") #Select * from table with 1 record
or die $DBI::errstr;
$dbh->disconnect;
}
$end_time=new Benchmark;
print "Warning: $errors connections didn't work without a time delay\n" if ($errors);
print "Time to connect+select_1_row ($opt_loop_count): " .
timestr(timediff($end_time, $loop_time),"all") . "\n\n";
#
# The same test, but without connect/disconnect
#
print "Testing select 1 row from table\n";
$dbh = $server->connect();
$loop_time=new Benchmark;
for ($i=0 ; $i<$opt_loop_count ; $i++)
{
$sth = $dbh->do("select * from bench1") # Select * from table with 1 record
or die $DBI::errstr;
}
$end_time=new Benchmark;
print "Time to select_1_row ($opt_loop_count): " .
timestr(timediff($end_time, $loop_time),"all") . "\n\n";
#
# The same test, but with 2 rows.
#
print "Testing select 2 rows from table\n";
$sth = $dbh->do("insert into bench1 values(2,200,'BBB')")
or die $DBI::errstr;
$loop_time=new Benchmark;
for ($i=0 ; $i<$opt_loop_count ; $i++)
{
$sth = $dbh->do("select * from bench1") # Select * from table with 2 record
or die $DBI::errstr;
}
$end_time=new Benchmark;
print "Time to select_2_rows ($opt_loop_count): " .
timestr(timediff($end_time, $loop_time),"all") . "\n\n";
if ($limits->{'functions'})
{
print "Test select with aritmetic (+)\n";
$loop_time=new Benchmark;
for ($i=0; $i<$opt_loop_count; $i++)
{
$sth = $dbh->do("select a+a+a+a+a+a+a+a+a+a from bench1") or die $DBI::errstr;
}
$end_time=new Benchmark;
print "Time for select_column+column ($opt_loop_count): " .
timestr(timediff($end_time, $loop_time),"all") . "\n\n";
}
$sth = $dbh->do("drop table bench1" . $server->{'drop_attr'})
or die $DBI::errstr;
if ($opt_fast && defined($server->{vacuum}))
{
$server->vacuum(0,\$dbh);
}
################################# PART:5 ###################################
#### We'll create one table with a single blob field,but with a
#### huge record in it and then we'll do $opt_loop_count selects
#### from it.
goto skip_blob_test if (!$limits->{'working_blobs'});
print "Testing retrieval of big records ($str_length bytes)\n";
do_many($dbh,$server->create("bench1", ["b blob"], []));
$dbh->{LongReadLen}= $str_length; # Set retrieval buffer
my $string=(A) x ($str_length); # This will make a string $str_length long.
$sth = $dbh->prepare("insert into bench1 values(?)") or die $dbh->errstr;
$sth->execute($string) or die $sth->errstr;
undef($string);
if ($opt_fast && defined($server->{vacuum}))
{
$server->vacuum(0,\$dbh);
}
$loop_time=new Benchmark;
for ($i=0 ; $i < $opt_loop_count ; $i++)
{
$sth = $dbh->prepare("select * from bench1");
if (!$sth->execute || !(@row = $sth->fetchrow_array) ||
length($row[0]) != $str_length)
{
warn "$DBI::errstr - ".length($row[0])." - $str_length **\n";
}
$sth->finish;
}
$end_time=new Benchmark;
print "Time to select_big_str ($opt_loop_count): " .
timestr(timediff($end_time, $loop_time),"all") . "\n\n";
$sth = $dbh->do("drop table bench1" . $server->{'drop_attr'})
or do
{
# Fix for Access 2000
die $dbh->errstr if (!$dbh->abort_if_fatal_error());
};
if ($opt_fast && defined($server->{vacuum}))
{
$server->vacuum(0,\$dbh);
}
skip_blob_test:
################################ END ###################################
####
#### End of the test...Finally print time used to execute the
#### whole test.
$dbh->disconnect;
end_benchmark($start_time);