fork_big2.pl
上传用户:romrleung
上传日期:2022-05-23
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文件大小:17k
- #!/usr/bin/perl -w
#
# 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=$opt_skip_drop=$opt_fast=$opt_force=0;
$opt_thread_factor=1;
- $opt_insert=1;
- $opt_select=6;$opt_join=4;
- $opt_select_count=$opt_join_count=0;
- $opt_update=1;$opt_delete=0;
- $opt_flush=$opt_check=$opt_repair=$opt_alter=0;
- $opt_join_range=100;
- $opt_resize_interval=0;
$opt_time=0;
$opt_host=$opt_user=$opt_password=""; $opt_db="test";
$opt_verbose=$opt_debug=$opt_lock_tables=$opt_fast_insert=$opt_fast=$opt_skip_in=$opt_force=undef; # Ignore warnings from these
GetOptions("host=s","db=s","user=s","password=s","loop-count=i","skip-create","skip-in","skip-drop",
- "verbose","fast-insert","lock-tables","debug","fast","force","thread-factor=i",
- "insert=i", "select=i", "join=i", "select-count=i", "join-count=i", "update=i", "delete=i",
- "flush=i", "check=i", "repair=i", "alter=i", "resize-interval=i", "max-join_range=i", "time=i") || die "Aborted";
print "Test of multiple connections that test the following things:n";
print "insert, select, delete, update, alter, check, repair and flushn";
@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
####
- $opt_insert*=$opt_thread_factor;
$opt_select*=$opt_thread_factor;
- $opt_join*=$opt_thread_factor;
- $opt_select_count*=$opt_thread_factor;
- $opt_join_count*=$opt_thread_factor;
- $opt_update*=$opt_thread_factor;
- $opt_delete*=$opt_thread_factor;
- if ($opt_time == 0 && $opt_insert == 0)
- {
- $opt_insert=1;
- }
-
$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_dbn";
$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
$|= 1; # Autoflush
####
#### Start the tests
####
if ($opt_time != 0)
- {
- test_abort() if (($pid=fork()) == 0); $work{$pid}="abort";
- }
for ($i=0 ; $i < $opt_insert ; $i ++)
{
test_insert() if (($pid=fork()) == 0); $work{$pid}="insert";
}
- $threads=$i;
for ($i=0 ; $i < $opt_select ; $i ++)
- {
- test_select() if (($pid=fork()) == 0); $work{$pid}="select";
- }
- $threads+=$i;
- for ($i=0 ; $i < $opt_join ; $i ++)
- {
- test_join() if (($pid=fork()) == 0); $work{$pid}="join";
- }
- $threads+=$i;
- for ($i=0 ; $i < $opt_select_count ; $i ++)
{
test_select_count() if (($pid=fork()) == 0); $work{$pid}="select_count";
}
$threads+=$i;
- for ($i=0 ; $i < $opt_join_count ; $i ++)
- {
- test_join_count() if (($pid=fork()) == 0); $work{$pid}="join_count";
- }
- $threads+=$i;
- for ($i=0 ; $i < $opt_update ; $i ++)
- {
- test_update() if (($pid=fork()) == 0); $work{$pid}="update";
- }
- $threads+=$i;
- for ($i=0 ; $i < $opt_delete ; $i ++)
- {
- test_delete() if (($pid=fork()) == 0); $work{$pid}="delete";
- }
- $threads+=$i;
- for ($i=0 ; $i < $opt_flush ; $i ++)
- {
- test_flush() if (($pid=fork()) == 0); $work{$pid}="flush";
- }
- $threads+=$i;
- for ($i=0 ; $i < $opt_check ; $i ++)
- {
- test_check() if (($pid=fork()) == 0); $work{$pid}="check";
- }
- $threads+=$i;
- for ($i=0 ; $i < $opt_repair ; $i ++)
- {
- test_repair() if (($pid=fork()) == 0); $work{$pid}="repair";
- }
- $threads+=$i;
- for ($i=0 ; $i < $opt_alter ; $i ++)
- {
- test_alter() if (($pid=fork()) == 0); $work{$pid}="alter";
- }
- $threads+=$i;
- if ($opt_resize_interval != 0)
{
test_resize() if (($pid=fork()) == 0); $work{$pid}="resize";
$threads+=1;
}
- print "Started $threads threadsn";
$errors=0;
$running_insert_threads=$opt_insert;
while (($pid=wait()) != -1)
{
$ret=$?/256;
print "thread '" . $work{$pid} . "' finished with exit code $retn";
- if ($opt_time == 0)
- {
if ($work{$pid} =~ /^insert/)
{
if (!--$running_insert_threads)
{
- # Time to stop other threads
signal_abort();
}
- }
}
$errors++ if ($ret != 0);
}
#
# Cleanup
#
if (!$opt_skip_drop && !$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 failedn" :"Test okn");
$end_time=new Benchmark;
print "Total time: " .
timestr(timediff($end_time, $start_time),"noc") . "n";
exit(0);
#
- # Sleep and then abort other threads
- #
- sub test_abort
- {
- sleep($opt_time);
- signal_abort();
- 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::errstrn";
$count++;
}
}
$dbh->disconnect; $dbh=0;
print "Test_insert: Inserted $count rowsn";
exit(0);
}
#
# select records
# Do continously select over all tables as long as there is changed
# rows in the table
#
sub test_select
{
my ($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 $count selectsn";
exit(0);
}
#
# Do big select count(distinct..) over the table
#
sub test_select_count
{
my ($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 $count select count(distinct) queriesn";
exit(0);
}
#
# select records
# Do continously joins between the first and second table
#
sub test_join
{
my ($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 $count joinsn";
exit(0);
}
- #
- # select records
- # Do continously joins between the first and second for range and count selected rows
- #
- sub test_join_count
- {
- my ($dbh, $i, $j, $count, $loop);
- $dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
- $opt_user, $opt_password,
- { PrintError => 0}) || die $DBI::errstr;
- $count_query=make_count_query($numtables);
- $count=0;
- $loop=9999;
- $sum=0;
- srand();
- $i=0;
- while (($i++ % 10) || !test_if_abort($dbh))
- {
- if ($loop++ >= 10)
- {
- $loop=0;
- $row_counts=simple_query($dbh, $count_query);
- }
- for ($j=0 ; $j < $numtables-1 ; $j++)
- {
- my ($id1)= int rand $row_counts->[$j];
- my ($id2)= int rand $row_counts->[$j];
- if ($id1 > $id2)
- {
- my $id0=$id1; $id1=$id2; $id2=$id0;
- if ($id2-$id1 > $opt_join_range)
- {
- $id2=$id1+$opt_join_range;
- }
- }
- my ($t1,$t2)= ($testtables[$j]->[0],$testtables[$j+1]->[0]);
- $row=simple_query($dbh, "select count(*) from $t1, $t2 where $t1.id=$t2.id and $t1.id between $id1 and $id2");
- $sum+=$row->[0];
- $count++;
- }
- }
- $dbh->disconnect; $dbh=0;
- print "Test_join_count: Executed $count joins: total $sum rowsn";
- exit(0);
- }
-
#
# Delete 1-5 rows from the first 2 tables.
# Test ends when the number of rows for table 3 didn't change during
# one loop
#
sub test_delete
{
my ($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::errstrn";
$count++;
}
}
$dbh->disconnect; $dbh=0;
print "Test_delete: Executed $count deletesn";
exit(0);
}
#
# Update the flag for table 2 and 3
# Will abort after a while when table1 doesn't change max value
#
sub test_update
{
my ($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::errstrn";
$count++;
}
}
$dbh->disconnect; $dbh=0;
print "Test_update: Executed $count updatesn";
exit(0);
}
#
# Run a check on all tables except the last one
# (The last one is not checked to put pressure on the key cache)
#
sub test_check
{
my ($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::errstrn";
$sth->execute || die $DBI::errstr;
while (($row=$sth->fetchrow_arrayref))
{
if ($row->[3] ne "OK")
{
print "Got error " . $row->[3] . " when doing $type on $tablen";
exit(1);
}
}
if (++$j == $numtables-1)
{
$j=0;
}
}
$dbh->disconnect; $dbh=0;
print "test_check: Executed $i checksn";
exit(0);
}
#
# Do a repair on the first table once in a while
#
sub test_repair
{
my ($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::errstrn";
$sth->execute || die $DBI::errstr;
while (($row=$sth->fetchrow_arrayref))
{
if ($row->[3] ne "OK")
{
print "Got error " . $row->[3] . " when doing $type on $tablen";
exit(1);
}
}
}
$dbh->disconnect; $dbh=0;
print "test_repair: Executed $i repairsn";
exit(0);
}
#
# Do a flush tables on table 3 and 4 once in a while
#
sub test_flush
{
my ($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::errstrn";
$count++;
}
$dbh->disconnect; $dbh=0;
print "flush: Executed $count flushsn";
exit(0);
}
#
# Do a resize key cache every periodically
#
sub test_resize
{
my ($dbh, $key_buffer_size);
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
$count=0;
$key_buffer_size=1024*64;
while (!test_if_abort($dbh))
{
sleep($opt_resize_interval);
$dbh->do("set global key_buffer_size=$key_buffer_size") ||
die "Got error on resize key cache $DBI::errstrn";
$key_buffer_size+=1024*16;
$count++;
}
$dbh->disconnect; $dbh=0;
print "Test_resize: Executed $count times resize key cachen";
exit(0);
}
#
# Test all tables in a database
#
sub test_database
{
my ($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::errstrn";
$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 $i checksn";
exit(0);
}
#
# Test ALTER TABLE on the second table
#
sub test_alter
{
my ($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::errstrn";
$sth->execute || die $DBI::errstr;
}
$dbh->disconnect; $dbh=0;
print "test_alter: Executed $i ALTER TABLEn";
exit(0);
}
#
# Help functions
#
sub signal_abort
{
my ($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; $dbh=0;
}
sub test_if_abort()
{
my ($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;
}