test-transactions
上传用户:romrleung
上传日期:2022-05-23
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文件大小:7k
- #!/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
- #
- # Test of transactions performance.
- #
- ##################### Standard benchmark inits ##############################
- use Cwd;
- use DBI;
- use Benchmark;
- #use warnings;
- $opt_groups=27; # Characters are 'A' -> Z
- $opt_loop_count=10000; # Change this to make test harder/easier
- $opt_medium_loop_count=100; # Change this to make test harder/easier
- $pwd = cwd(); $pwd = "." if ($pwd eq '');
- require "$pwd/bench-init.pl" || die "Can't read Configuration file: $!n";
- # Avoid warnings for variables in bench-init.pl
- # (Only works with perl 5.6)
- #our ($opt_small_test, $opt_small_tables, $opt_debug, $opt_force);
- if ($opt_small_test || $opt_small_tables)
- {
- $opt_loop_count/=100;
- $opt_medium_loop_count/=10;
- }
- if (!$server->{transactions} && !$opt_force)
- {
- print "Test skipped because the database doesn't support transactionsn";
- exit(0);
- }
- ####
- #### Connect and start timeing
- ####
- $start_time=new Benchmark;
- $dbh = $server->connect();
- ###
- ### Create Table
- ###
- print "Creating tablesn";
- $dbh->do("drop table bench1");
- $dbh->do("drop table bench2");
- do_many($dbh,$server->create("bench1",
- ["idn int NOT NULL",
- "rev_idn int NOT NULL",
- "region char(1) NOT NULL",
- "grp int NOT NULL",
- "updated tinyint NOT NULL"],
- ["primary key (idn)",
- "unique (region,grp)"]));
- do_many($dbh,$server->create("bench2",
- ["idn int NOT NULL",
- "rev_idn int NOT NULL",
- "region char(1) NOT NULL",
- "grp int NOT NULL",
- "updated tinyint NOT NULL"],
- ["primary key (idn)",
- "unique (region,grp)"]));
- $dbh->{AutoCommit} = 0;
- ###
- ### Test insert perfomance
- ###
- test_insert("bench1","insert_commit",0);
- test_insert("bench2","insert_autocommit",1);
- sub test_insert
- {
- my ($table, $test_name, $auto_commit)= @_;
- my ($loop_time,$end_time,$id,$rev_id,$grp,$region);
- $dbh->{AutoCommit}= $auto_commit;
- $loop_time=new Benchmark;
- for ($id=0,$rev_id=$opt_loop_count-1 ; $id < $opt_loop_count ;
- $id++,$rev_id--)
- {
- $grp=$id/$opt_groups;
- $region=chr(65+$id%$opt_groups);
- do_query($dbh,"insert into $table values ($id,$rev_id,'$region',$grp,0)");
- }
- $dbh->commit if (!$auto_commit);
- $end_time=new Benchmark;
- print "Time for $test_name ($opt_loop_count): " .
- timestr(timediff($end_time, $loop_time),"all") . "nn";
- }
- ###
- ### Test rollback performance
- ###
- print "Test transactions rollback performancen" if($opt_debug);
- ##
- ## Insert rollback test
- ##
- #
- # Test is done by inserting 100 rows in a table with lots of rows and
- # then doing a rollback on these
- #
- {
- my ($id,$rev_id,$grp,$region,$end,$loop_time,$end_time,$commit_loop,$count);
- $dbh->{AutoCommit} = 0;
- $loop_time=new Benchmark;
- $end=$opt_loop_count*2;
- $count=0;
- for ($commit_loop=1, $id=$opt_loop_count ; $id < $end ;
- $id++, $commit_loop++)
- {
- $rev_id=$end-$id;
- $grp=$id/$opt_groups;
- $region=chr(65+$id%$opt_groups);
- do_query($dbh,"insert into bench1 values ($id,$rev_id,'$region',$grp,0)");
- if ($commit_loop >= $opt_medium_loop_count)
- {
- $dbh->rollback;
- $commit_loop=0;
- $count++;
- }
- }
- if ($commit_loop > 1)
- {
- $dbh->rollback;
- $count++;
- }
- $end_time=new Benchmark;
- print "Time for insert_rollback ($count:$opt_loop_count): " .
- timestr(timediff($end_time, $loop_time),"all") . "nn";
- }
- ##
- ## Update rollback test
- ##
- #
- # Test is done by updating 100 rows in a table with lots of rows and
- # then doing a rollback on these
- #
- {
- my ($id,$loop_time,$end_time,$commit_loop,$count);
- $dbh->{AutoCommit} = 0;
- $loop_time=new Benchmark;
- $end=$opt_loop_count*2;
- $count=0;
- for ($commit_loop=1, $id=0 ; $id < $opt_loop_count ; $id++, $commit_loop++)
- {
- do_query($dbh,"update bench1 set updated=2 where idn=$id");
- if ($commit_loop >= $opt_medium_loop_count)
- {
- $dbh->rollback;
- $commit_loop=0;
- $count++;
- }
- }
- if ($commit_loop > 1)
- {
- $dbh->rollback;
- $count++;
- }
- $end_time=new Benchmark;
- print "Time for update_rollback ($count:$opt_loop_count): " .
- timestr(timediff($end_time, $loop_time),"all") . "nn";
- }
- ##
- ## Delete rollback test
- ##
- #
- # Test is done by deleting 100 rows in a table with lots of rows and
- # then doing a rollback on these
- #
- {
- my ($id,$loop_time,$end_time,$commit_loop,$count);
- $dbh->{AutoCommit} = 0;
- $loop_time=new Benchmark;
- $end=$opt_loop_count*2;
- $count=0;
- for ($commit_loop=1, $id=0 ; $id < $opt_loop_count ; $id++, $commit_loop++)
- {
- do_query($dbh,"delete from bench1 where idn=$id");
- if ($commit_loop >= $opt_medium_loop_count)
- {
- $dbh->rollback;
- $commit_loop=0;
- $count++;
- }
- }
- if ($commit_loop > 1)
- {
- $dbh->rollback;
- $count++;
- }
- $end_time=new Benchmark;
- print "Time for delete_rollback ($count:$opt_loop_count): " .
- timestr(timediff($end_time, $loop_time),"all") . "nn";
- }
- ###
- ### Test update perfomance
- ###
- test_update("bench1","update_commit",0);
- test_update("bench2","update_autocommit",1);
- sub test_update
- {
- my ($table, $test_name, $auto_commit)= @_;
- my ($loop_time,$end_time,$id);
- $dbh->{AutoCommit}= $auto_commit;
- $loop_time=new Benchmark;
- for ($id=0 ; $id < $opt_loop_count ; $id++)
- {
- do_query($dbh,"update $table set updated=1 where idn=$id");
- }
- $dbh->commit if (!$auto_commit);
- $end_time=new Benchmark;
- print "Time for $test_name ($opt_loop_count): " .
- timestr(timediff($end_time, $loop_time),"all") . "nn";
- }
- ###
- ### Test delete perfomance
- ###
- test_delete("bench1","delete_commit",0);
- test_delete("bench2","delete_autocommit",1);
- sub test_delete
- {
- my ($table, $test_name, $auto_commit)= @_;
- my ($loop_time,$end_time,$id);
- $dbh->{AutoCommit}= $auto_commit;
- $loop_time=new Benchmark;
- for ($id=0 ; $id < $opt_loop_count ; $id++)
- {
- do_query($dbh,"delete from $table where idn=$id");
- }
- $dbh->commit if (!$auto_commit);
- $end_time=new Benchmark;
- print "Time for $test_name ($opt_loop_count): " .
- timestr(timediff($end_time, $loop_time),"all") . "nn";
- }
- ####
- #### End of benchmark
- ####
- $sth = $dbh->do("drop table bench1" . $server->{'drop_attr'}) or die $DBI::errstr;
- $sth = $dbh->do("drop table bench2" . $server->{'drop_attr'}) or die $DBI::errstr;
- $dbh->disconnect; # close connection
- end_benchmark($start_time);