#!/usr/bin/env perl # Copyright (c) 2000, 2001, 2003, 2006 MySQL AB, 2009 Sun Microsystems, Inc. # Use is subject to license terms. # # 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; version 2 # of the License. # # 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., 51 Franklin St, Fifth Floor, Boston, # MA 02110-1335 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 Cwd;
use DBI;
use Benchmark;
$opt_loop_count=500000; # 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
# 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);
$small_loop_count=$opt_loop_count/10; # For connect tests
print "Testing the speed of connecting to the server and sending of data\n";
print "Connect tests are done $small_loop_count times and other tests $opt_loop_count times\n\n";
for ($i=0 ; $i < $small_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 ($small_loop_count): " .
timestr(timediff($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 $small_loop_count times.
if ($limits->{'select_without_from'})
{
print "Test connect/simple select/disconnect\n";
$loop_time=new Benchmark;
for ($i=0; $i < $small_loop_count; $i++)
{
$dbh = DBI->connect($server->{'data_source'}, $opt_user, $opt_password) || die $DBI::errstr;
$sth = $dbh->do("select $i") or die $DBI::errstr;
$dbh->disconnect;
}
$end_time=new Benchmark;
print "Time for connect+select_simple ($small_loop_count): " .
timestr(timediff($end_time, $loop_time),"all") . "\n\n";
}
################################# PART:3 ################################### #### #### Okay..Next thing we'll do is a simple select $opt_loop_count times. ####
if ($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 $i") or die $DBI::errstr;
}
$end_time=new Benchmark;
print "Time for select_simple ($opt_loop_count): " .
timestr(timediff($end_time, $loop_time),"all") . "\n\n";
}
########################################################################### #### The same as the previous test, but always execute the same select #### This is done to test the query cache for real simple selects.
if ($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 10000") or die $DBI::errstr;
}
$end_time=new Benchmark;
print "Time for select_simple_cache ($opt_loop_count): " .
timestr(timediff($end_time, $loop_time),"all") . "\n\n";
}
########################################################################## #### 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}))
{
$server->vacuum(0,\$dbh);
} if (!$main::opt_temporary_tables)
{
$dbh->disconnect;
}
# # First test connect/select/disconnect # if (!$main::opt_temporary_tables)
{
print "Testing connect/select 1 row from table/disconnect\n";
$loop_time=new Benchmark;
$errors=0;
for ($i=0 ; $i < $small_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 = $dbh->do("select a,i,s,$i 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 ($small_loop_count): " .
timestr(timediff($end_time, $loop_time),"all") . "\n\n";
$dbh = $server->connect();
}
# # The same test, but without connect/disconnect #
print "Testing select 1 row from table\n";
$loop_time=new Benchmark;
for ($i=0 ; $i < $opt_loop_count ; $i++)
{
$sth = $dbh->do("select a,i,s,$i from bench1") # Select * from table with 1 record
or die $DBI::errstr;
}
# # Same test (as with one row) but now with a cacheable query #
$loop_time=new Benchmark;
for ($i=0 ; $i < $opt_loop_count ; $i++)
{
$sth = $dbh->do("select a,i,s from bench1") # Select * from table with 1 record
or die $DBI::errstr;
}
$end_time=new Benchmark;
print "Time to select_1_row_cache ($opt_loop_count): " .
timestr(timediff($end_time, $loop_time),"all") . "\n\n";
# # The same test, but with 2 rows (not cacheable). #
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 = $dbh->do("select a,i,s,$i from bench1") # Select * from table with 2 record
or die $DBI::errstr;
}
if ($limits->{'functions'})
{
print "Test select with arithmetic (+)\n";
$loop_time=new Benchmark;
for ($i=0; $i < $opt_loop_count; $i++)
{
$sth = $dbh->do("select a+a+a+a+a+a+a+a+a+$i 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);
}
$sth = $dbh->do("drop table bench1" . $server->{'drop_attr'})
or do
{ # Fix for Access 2000
die $dbh->errstr if (!$server->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);
Messung V0.5 in Prozent
¤ Dauer der Verarbeitung: 0.18 Sekunden
(vorverarbeitet am 2026-10-08)
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