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ndb_size.pl
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#!/usr/bin/perl -w
# Copyright (c) 2005, 2021, Oracle and/or its affiliates.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License, version 2.0,
# as published by the Free Software Foundation.
#
# This program is also distributed with certain software (including
# but not limited to OpenSSL) that is licensed under separate terms,
# as designated in a particular file or component or in included license
# documentation. The authors of MySQL hereby grant you an additional
# permission to link the program and your derivative works with the
# separately licensed software that they have included with MySQL.
#
# 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, version 2.0, 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
use strict;
use DBI;
use POSIX;
use Getopt::Long;
# MySQL Cluster size estimator
# ----------------------------
#
# The purpose of this tool is to work out storage requirements
# from an existing MySQL database.
#
# This involves connecting to a mysql server and throwing a bunch
# of queries at it.
#
# We currently estimate sizes for: 4.1, 5.0 and 5.1 to various amounts
# of accurracy.
#
# There is no warranty.
#
# BUGS
# ----
# - DECIMAL is 0 byte storage. A bit too efficient.
# - some float stores come out weird (when there's a comma e.g. 'float(4,1)')
# - no disk data values
# - computes the storage requirements of views (and probably MERGE)
# - ignores character sets?
package MySQL::NDB::Size::Parameter;
use Class::MethodMaker [
scalar => 'name',
scalar => 'default',
scalar => 'mem_per_item',
scalar => [{ -default => '' },'unit'],
hash => [ qw ( value
ver_mem_per_item
mem_total ) ],
new => [ -hash => 'new' ],
];
1;
package MySQL::NDB::Size::Report;
use Class::MethodMaker [
scalar => [ qw( database
dsn ) ],
array => 'versions',
hash => [qw( tables
parameters
supporting_tables) ],
new => [ -hash => 'new' ],
];
1;
package MySQL::NDB::Size::Column;
use Class::MethodMaker [
new => [ -hash => 'new' ],
scalar => [ qw( name
type
is_varsize
size
Key) ],
hash => 'dm_overhead',
scalar => [{ -default => 4 },'align'],
scalar => [{ -default => 0 },'null_bits'],
];
# null_bits:
# 0 if not nullable, 1 if nullable
# + additional if bitfield as these are stored in the null bits
# if is_varsize, null_bits are in varsize part.
# dm is default DataMemory value. Automatically 4byte aligned
# ver_dm is DataMemory value for specific versions.
# an entry in ver_dm OVERRIDES the dm value.
# e.g. if way column stored changed in new version.
#
# if is_varsize, dm/ver_dm is in varsized part.
sub ver_dm_exists
{
my ($self,$ver)= @_;
return exists($self->{ver_dm}{$ver});
}
use Data::Dumper;
sub ver_dm
{
my ($self,$ver,$val)= @_;
if(@_ > 2)
{
$self->{ver_dm}{$ver}=
$self->align * POSIX::floor(($val+$self->align-1)/$self->align);
}
return $self->{ver_dm}{$ver};
}
sub dm
{
my ($self,$val)= @_;
if(@_ > 1)
{
$self->{dm}=
$self->align * POSIX::floor(($val+$self->align-1)/$self->align)
}
return $self->{dm};
}
package MySQL::NDB::Size::Index;
use Class::MethodMaker [
new => [ -hash => 'new' ],
hash => [ qw( ver_dm
ver_im ) ],
scalar => [ qw( name
type
comment
columns
unique
dm
im) ],
scalar => [ { -default=> 4 },'align'],
scalar => [ { -default=> 0 },'is_supporting_table' ],
];
package MySQL::NDB::Size::Table;
# The following are computed by compute_row_size:
# row_dm_size DataMemory Size per row
# row_vdm_size Varsized DataMemory Size per row
# row_ddm_size Disk Data size per row (on disk size)
#
# These are hashes of versions. If an entry in (dm|vdm|ddm)_versions exists,
# then this parameter is calculated.
#
# Specific per-row overhead is in row_(dm|vdm|ddm)_overhead.
# e.g. if there is a varsized column, we have a vdm overhead for the
# varsized part of the row, otherwise vdm_size==0
# Any supporting tables - e.g. BLOBs have their name in supporting_tables
# These tables should then be looked up in the main report object.
# The main report object also has a supporting_tables hash used for
# excluding these from the main list of tables.
use POSIX;
use Class::MethodMaker [
new => [ -hash => 'new' ],
array => [ qw( supporting_tables
dm_versions
vdm_versions
ddm_versions ) ],
scalar => [ qw( name
rows
schema
real_table_name) ],
hash => [ qw( columns
indexes
indexed_columns
row_im_size
row_dm_size
row_vdm_size
row_dm_overhead
row_vdm_overhead
row_ddm_overhead) ],
scalar => [ { -default=> 8192 },'im_pagesize'],
scalar => [ { -default=> 0 },'im_page_overhead'],
scalar => [ { -default=> 32768 },'dm_pagesize' ],
scalar => [ { -default=> 128 },'dm_page_overhead' ],
scalar => [ { -default=> 32768 },'vdm_pagesize' ],
scalar => [ { -default=> 128 },'vdm_page_overhead' ],
hash => [ # these are computed
qw(
dm_null_bytes
vdm_null_bytes
dm_needed
vdm_needed
im_needed
im_rows_per_page
dm_rows_per_page
vdm_rows_per_page) ],
scalar => [ { -default=> 4 },'align'],
];
sub table_name
{
my ($self) = @_;
if ($self->real_table_name) {
return $self->real_table_name;
}else {
return $self->name;
}
}
sub compute_row_size
{
my ($self, $releases) = @_;
my %row_dm_size;
my %row_vdm_size;
my %row_im_size;
my %dm_null_bits;
my %vdm_null_bits;
my $no_varsize= 0;
foreach my $c (keys %{$self->columns})
{
if($self->columns->{$c}->is_varsize)
{
$no_varsize++;
foreach my $ver ($self->vdm_versions)
{
if($self->columns->{$c}->ver_dm_exists($ver))
{
$row_vdm_size{$ver}+= $self->columns->{$c}->ver_dm($ver);
$vdm_null_bits{$ver}+= $self->columns->{$c}->null_bits();
}
else
{
$row_vdm_size{$ver}+= $self->columns->{$c}->dm;
$vdm_null_bits{$ver}+= $self->columns->{$c}->null_bits();
}
}
}
foreach my $ver ($self->dm_versions)
{
if($self->columns->{$c}->ver_dm_exists($ver))
{
next if $self->columns->{$c}->is_varsize;
$row_dm_size{$ver}+= $self->columns->{$c}->ver_dm($ver);
$dm_null_bits{$ver}+= $self->columns->{$c}->null_bits();
}
else
{
$row_dm_size{$ver}+= $self->columns->{$c}->dm||0;
$dm_null_bits{$ver}+= $self->columns->{$c}->null_bits()||0;
}
}
}
foreach ($self->row_dm_overhead_keys())
{
$row_dm_size{$_}+= $self->row_dm_overhead->{$_}
if exists($row_dm_size{$_});
}
foreach ($self->row_vdm_overhead_keys())
{
$row_vdm_size{$_}+= $self->row_vdm_overhead->{$_}
if exists($row_vdm_size{$_});
}
# now we compute size of indexes for dm
foreach my $i (keys %{$self->indexes})
{
foreach my $ver ($self->dm_versions)
{
$row_dm_size{$ver}+= $self->indexes->{$i}->dm() || 0;
}
}
# now we compute size of indexes for im
while(my ($iname, $i) = $self->indexes_each())
{
foreach my $ver ($self->dm_versions)
{
if($i->ver_im_exists($ver))
{
$row_im_size{$ver}+= $i->ver_im->{$ver};
}
else
{
$row_im_size{$ver}+= $i->im() || 0;
}
}
}
# 32-bit align the null part
foreach my $k (keys %dm_null_bits)
{
$dm_null_bits{$k}=
$self->align * POSIX::floor((ceil($dm_null_bits{$k}/8)+$self->align-1)
/$self->align);
}
foreach my $k (keys %vdm_null_bits)
{
$vdm_null_bits{$k}=
$self->align * POSIX::floor((ceil($vdm_null_bits{$k}/8)+$self->align-1)
/$self->align);
}
# Finally set things
$self->dm_null_bytes(%dm_null_bits);
$self->vdm_null_bytes(%vdm_null_bits);
# add null bytes to dm/vdm size
foreach my $k (keys %row_dm_size)
{
$row_dm_size{$k}+=$dm_null_bits{$k}||0;
}
foreach my $k (keys %row_vdm_size)
{
$row_vdm_size{$k}+=$vdm_null_bits{$k}||0;
}
$self->row_dm_size(%row_dm_size);
$self->row_vdm_size(%row_vdm_size);
$self->row_im_size(%row_im_size);
}
sub compute_estimate
{
my ($self) = @_;
foreach my $ver (@{$self->dm_versions})
{
$self->dm_rows_per_page_set($ver =>
floor(
($self->dm_pagesize - $self->dm_page_overhead)
/
$self->row_dm_size->{$ver}
)
);
}
foreach my $ver (@{$self->vdm_versions})
{
next if ! $self->row_vdm_size_exists($ver);
$self->vdm_rows_per_page_set($ver =>
floor(
($self->vdm_pagesize - $self->vdm_page_overhead)
/
$self->row_vdm_size->{$ver}
)
);
}
$self->im_page_overhead(0) if !$self->im_page_overhead();
foreach my $ver (@{$self->dm_versions})
{
$self->im_rows_per_page_set($ver =>
floor(
($self->im_pagesize - $self->im_page_overhead)
/
$self->row_im_size->{$ver}
)
);
}
$self->dm_needed_set($_ => $self->dm_pagesize()
*
POSIX::ceil(
$self->rows
/
($self->dm_rows_per_page->{$_})
)
)
foreach $self->dm_versions;
$self->vdm_needed_set($_ => (!$self->vdm_rows_per_page->{$_})? 0 :
$self->vdm_pagesize()
*
POSIX::ceil(
$self->rows
/
($self->vdm_rows_per_page->{$_})
)
)
foreach $self->vdm_versions;
$self->im_needed_set($_ => $self->im_pagesize()
*
POSIX::ceil(
$self->rows
/
($self->im_rows_per_page->{$_})
)
)
foreach $self->dm_versions;
}
package main;
my ($dbh,
$database,
$socket,
$hostname,
$user,
$password);
my ($help,
$savequeries,
$loadqueries,
$debug,
$format,
$excludetables,
$excludedbs);
GetOptions('database|d=s'=>\$database,
'hostname=s'=>\$hostname,
'socket=s'=>\$socket,
'user|u=s'=>\$user,
'password|p=s'=>\$password,
'savequeries|s=s'=>\$savequeries,
'loadqueries|l=s'=>\$loadqueries,
'excludetables=s'=>\$excludetables,
'excludedbs=s'=>\$excludedbs,
'help|usage|h!'=>\$help,
'debug'=>\$debug,
'format|f=s'=>\$format,
);
my $report= new MySQL::NDB::Size::Report;
if($help)
{
print STDERR "Usage:\n";
print STDERR "\tndb_size.pl --database=<db name>|ALL [--hostname=<host>] "
."[--socket=<socket>] "
."[--user=<user>] [--password=<password>] [--help|-h] [--format=(html|text)] [--loadqueries=<file>] [--savequeries=<file>]\n\n";
print STDERR "\t--database=<db name> ALL may be specified to examine all "
."databases\n";
print STDERR "\t--hostname=<host>:<port> can be used to designate a "
."specific port\n";
print STDERR "\t--hostname defaults to localhost\n";
print STDERR "\t--user and --password default to empty string\n";
print STDERR "\t--format=(html|text) Output format\n";
print STDERR "\t--excludetables Comma separated list of table names to skip\n";
print STDERR "\t--excludedbs Comma separated list of database names to skip\n";
print STDERR "\t--savequeries=<file> saves all queries to the DB into <file>\n";
print STDERR "\t--loadqueries=<file> loads query results from <file>. Doesn't connect to DB.\n";
exit(1);
}
$hostname= 'localhost' unless $hostname;
my %queries; # used for loadqueries/savequeries
if(!$loadqueries)
{
my ($host,$port) = split(/:/, $hostname);
my $dsn = "DBI:mysql:host=$host";
$dsn.= ";port=$port" if ($port);
$dsn.= ";mysql_socket=$socket" if ($socket);
$dbh= DBI->connect($dsn, $user, $password) or exit(1);
$report->dsn($dsn);
}
my @dbs;
if ($database && !($database =~ /^ALL$/i))
{
@dbs = split(',', $database);
}
else
{
# Do all databases
@dbs = map { $_->[0] } @{ $dbh->selectall_arrayref("show databases") };
}
my %withdb = map {$_ => 1} @dbs;
foreach (split ",", $excludedbs || '')
{
delete $withdb{$_};
}
delete $withdb{'mysql'};
delete $withdb{'INFORMATION_SCHEMA'};
delete $withdb{'information_schema'};
my $dblist = join (',', map { $dbh->quote($_) } keys %withdb );
$excludetables = join (',', map { $dbh->quote($_) } split ',', $excludetables )
if $excludetables;
if(!$loadqueries)
{
if (scalar(keys %withdb)>1)
{
$report->database("databases: $dblist");
}
else
{
$report->database("database: $dblist");
}
}
else
{
open Q,"< $loadqueries";
my @q= <Q>;
my $VAR1;
my $e= eval join("",@q) or die $@;
%queries= %$e;
close Q;
$report->database("file:$loadqueries");
}
$report->versions('4.1','5.0','5.1');
my $tables;
if($loadqueries)
{
$tables= $queries{"show tables"};
}
else
{
my $sql= "select t.TABLE_NAME,t.TABLE_SCHEMA " .
" from information_schema.TABLES t " .
" where t.TABLE_SCHEMA in ( $dblist ) ";
$sql.=" and t.TABLE_NAME not in " .
" ( $excludetables )"
if ($excludetables);
$tables= $dbh->selectall_arrayref($sql);
if (!$tables) {
print "WARNING: problem selecing from INFORMATION SCHEMA ($sql)\n";
if ($#dbs>0) {
print "\t attempting to fallback to show tables from $database";
$tables= $dbh->selectall_arrayref("show tables from $database\n");
} else {
print "All Databases not supported in 4.1. Please specify --database=\n";
}
}
$queries{"show tables"}= $tables;
}
sub do_table {
my $t= shift;
my $info= shift;
my %indexes= %{$_[0]};
my @count= @{$_[1]};
$t->dm_versions($report->versions);
$t->vdm_versions('5.1');
$t->ddm_versions('5.1');
foreach my $colname (keys %$info)
{
my $col= new MySQL::NDB::Size::Column(name => $colname);
my ($type, $size);
$col->Key($$info{$colname}{Key})
if(defined($$info{$colname}{Key}) &&$$info{$colname}{Key} ne '');
$col->null_bits(defined($$info{$colname}{Null})
&& $$info{$colname}{Null} eq 'YES');
if(defined($$info{$colname}{Type})
&& $$info{$colname}{Type} =~ /^(.*?)\((.+)\)/)
{
$type= $1;
$size= $2;
}
elsif(exists($$info{$colname}{type}))
{
# we have a Column object..
$type= $$info{$colname}{type};
$size= $$info{$colname}{size};
}
else
{
$type= $$info{$colname}{Type};
}
$col->type($type);
$col->size($size);
if($type =~ /tinyint/)
{$col->dm(1)}
elsif($type =~ /smallint/)
{$col->dm(2)}
elsif($type =~ /mediumint/)
{$col->dm(3)}
elsif($type =~ /bigint/)
{$col->dm(8)}
elsif($type =~ /int/)
{$col->dm(4)}
elsif($type =~ /float/)
{
my @sz= split ',', $size;
$size= $sz[0]+$sz[1];
if(!defined($size) || $size<=24)
{$col->dm(4)}
else
{$col->dm(8)}
}
elsif($type =~ /double/ || $type =~ /real/)
{$col->dm(8)}
elsif($type =~ /bit/)
{
# bitfields stored in null bits
$col->null_bits($size+($col->null_bits()||0));
}
elsif($type =~ /datetime/)
{$col->dm(8)}
elsif($type =~ /timestamp/)
{$col->dm(4)}
elsif($type =~ /date/ || $type =~ /time/)
{$col->dm(3)}
elsif($type =~ /year/)
{$col->dm(1)}
elsif($type =~ /enum/ || $type =~ /set/)
{
# I *think* this is correct..
my @items= split ',',$size;
$col->dm(ceil((scalar @items)/256));
}
elsif($type =~ /varchar/ || $type =~ /varbinary/)
{
my $fixed=$size+ceil($size/256);
$col->dm_overhead_set('length' => ceil($size/256));
$col->dm($fixed);
if(!$col->Key()) # currently keys must be non varsized
{
my $sql= sprintf("select avg(length(`%s`)) " .
" from `%s`.`%s` " ,
$colname, $t->schema(), $t->table_name());
my @dynamic;
if($loadqueries)
{
@dynamic= @{$queries{$sql}};
}
else
{
@dynamic= $dbh->selectrow_array($sql);
$queries{$sql}= \@dynamic;
}
$dynamic[0]=0 if ! defined($dynamic[0]) || !@dynamic;
$dynamic[0]+=ceil($size/256); # size bit
$col->is_varsize(1);
$col->ver_dm('5.1',ceil($dynamic[0]));
}
}
elsif($type =~ /binary/ || $type =~ /char/)
{$col->dm($size)}
elsif($type =~ /text/ || $type =~ /blob/)
{
$col->dm_overhead_set('length' => 8);
$col->dm(8+256);
my $blobhunk= 2000;
$blobhunk= 8000 if $type=~ /longblob/;
$blobhunk= 4000 if $type=~ /mediumblob/;
my $sql= sprintf("select SUM(CEILING(length(`%s`)/%s)) " .
" from `%s`.`%s`" ,
$colname, $blobhunk,
$t->schema(), $t->table_name() );
my @blobsize;
if($loadqueries)
{
@blobsize= @{$queries{$sql}};
}
else
{
@blobsize= $dbh->selectrow_array($sql);
$queries{$sql}= \@blobsize;
}
$blobsize[0]=0 if !defined($blobsize[0]);
# Is a supporting table, add it to the lists:
$report->supporting_tables_set($t->schema().".".$t->name()."\$BLOB_$colname" => 1);
$t->supporting_tables_push($t->schema().".".$t->name()."\$BLOB_$colname");
my $st= new MySQL::NDB::Size::Table(name =>
$t->name()."\$BLOB_$colname",
schema => $t->schema(),
rows => $blobsize[0],
row_dm_overhead =>
{ '4.1' => 12,
'5.0' => 12,
'5.1' => 16,
},
row_vdm_overhead =>
{ '5.1' => 8 },
row_ddm_overhead =>
{ '5.1' => 8 },
);
do_table($st,
{'PK'=>{Type=>'int'},
'DIST'=>{Type=>'int'},
'PART'=>{Type=>'int'},
'DATA'=>{Type=>"binary($blobhunk)"}
},
{'PRIMARY' => {
'unique' => 1,
'comment' => '',
'columns' => [
'PK',
'DIST',
'PART',
],
'type' => 'HASH'
}
},
\@blobsize);
}
$col->type($type);
$col->size($size);
$t->columns_set( $colname => $col );
}
#print "setting tables: ",$t->schema(), $t->table_name(), $t->name, $t->real_table_name || "" , "\n";
# Use $t->name here instead of $t->table_name() to avoid namespace conflicts
$report->tables_set( $t->schema().".".$t->name() => $t );
# And now... the IndexMemory usage.
#
# Firstly, we assemble some information about the indexes.
# We use SHOW INDEX instead of using INFORMATION_SCHEMA so
# we can still connect to pre-5.0 mysqlds.
if(!defined($indexes{PRIMARY})) {
my $i= new MySQL::NDB::Size::Index(
name => 'PRIMARY',
unique => 1,
comment =>'Hidden pkey created by NDB',
type =>'BTREE',
columns => ['HIDDEN_NDB_PKEY'],
);
$i->im(16);
$i->dm(16);
$i->ver_im('4.1',25+8);
$t->indexes_set('PRIMARY' => $i);
$t->indexed_columns_set('HIDDEN_NDB_PKEY' => 1);
$t->columns_set('HIDDEN_NDB_PKEY' =>
new MySQL::NDB::Size::Column(
name => 'HIDDEN_NDB_PKEY',
type => 'bigint',
dm => 8,
Key => 'PRI'));
}
my @indexes;
# We model the PRIMARY first as needed for secondary uniq indexes
if(defined($indexes{'PRIMARY'}))
{
my $index= 'PRIMARY';
my $i= new MySQL::NDB::Size::Index(
name => $index,
unique => $indexes{$index}{unique},
comment => $indexes{$index}{comment},
type => $indexes{$index}{type},
columns => [@{$indexes{$index}{columns}}],
);
my $im41= 25; # keep old estimate for 4.1
$im41+= $t->columns->{$_}->dm foreach @{$indexes{$index}{columns}};
$i->im(16); # estimate from Johan
$i->dm(16) if $indexes{$index}{unique}; # estimate from Johan
$i->ver_im('4.1',$im41);
$t->indexes_set($index => $i);
$t->indexed_columns_set($_ => 1)
foreach @{$indexes{$index}{columns}};
}
foreach my $index (keys %indexes) {
next if $index eq 'PRIMARY';
if(!$indexes{$index}{unique})
{
my $i= new MySQL::NDB::Size::Index(
name => $index,
unique => $indexes{$index}{unique},
comment => $indexes{$index}{comment},
type => $indexes{$index}{type},
columns => [@{$indexes{$index}{columns}}],
);
$i->dm(16);
$t->indexes_set($index => $i);
$t->indexed_columns_set($_ => 1)
foreach @{$indexes{$index}{columns}};
}
else
{
my $i= new MySQL::NDB::Size::Index(
name => $index,
unique => $indexes{$index}{unique},
comment => $indexes{$index}{comment},
type => $indexes{$index}{type},
columns => [@{$indexes{$index}{columns}},
@{$t->indexes->{'PRIMARY'}->columns()}],
);
$i->is_supporting_table(1);
$t->indexes_set($index => $i);
my %idxcols;
foreach(@{$i->columns()})
{
$idxcols{$_} = $t->columns->{$_}
}
# Is a supporting table, add it to the lists:
my $idxname= $t->name().'_'.join('_',@{$indexes{$index}{columns}}).
"\$unique";
$report->supporting_tables_set($t->schema().".".$idxname => 1);
$t->supporting_tables_push($t->schema().".".$idxname);
$t->indexed_columns_set($_ => 1)
foreach @{$indexes{$index}{columns}};
my $st= new MySQL::NDB::Size::Table(name => $idxname,
real_table_name => $t->table_name(),
rows => $count[0],
schema => $t->schema(),
row_dm_overhead =>
{ '4.1' => 12,
'5.0' => 12,
'5.1' => 16+4,
},
row_vdm_overhead =>
{ '5.1' => 8 },
row_ddm_overhead =>
{ '5.1' => 8 },
);
do_table($st,
\%idxcols,
{
'PRIMARY' => {
'unique' => 0,#$indexes{$index}{unique},
'columns' => [@{$indexes{$index}{columns}}],
'type' => 'BTREE',
}
},
\@count);
}
}
$t->compute_row_size($report->versions);
} # do_table
foreach(@{$tables})
{
my $table= @{$_}[0];
my $schema = @{$_}[1] || $database;
my $info;
{
my $sql= 'describe `'.$schema.'`.`'.$table.'`';
if($loadqueries)
{
$info= $queries{$sql};
}
else
{
$info= $dbh->selectall_hashref($sql,"Field");
$queries{$sql}= $info;
}
}
my @count;
{
my $sql= 'select count(*) from `'.$schema.'`.`'.$table.'`';
if($loadqueries)
{
@count= @{$queries{$sql}};
}
else
{
@count= $dbh->selectrow_array($sql);
$queries{$sql}= \@count;
}
}
my %indexes;
{
my @show_indexes;
{
my $sql= "show index from `".$schema.'`.`'.$table.'`';
if($loadqueries)
{
@show_indexes= @{$queries{$sql}};
}
else
{
my $sth= $dbh->prepare($sql);
$sth->execute;
while(my $i = $sth->fetchrow_hashref)
{
push @show_indexes, $i;
}
$queries{$sql}= \@show_indexes;
}
}
foreach my $i(@show_indexes)
{
$indexes{$i->{Key_name}}= {
type=>$i->{Index_type},
unique=>$i->{Non_unique},
comment=>$i->{Comment},
} if !defined($indexes{$i->{Key_name}});
$indexes{$i->{Key_name}}{columns}[$i->{Seq_in_index}-1]=
$i->{Column_name};
}
}
my $t= new MySQL::NDB::Size::Table(name => $table,
schema => $schema,
rows => $count[0],
row_dm_overhead =>
{ '4.1' => 12,
'5.0' => 12,
'5.1' => 16,
},
row_vdm_overhead => { '5.1' => 8 },
row_ddm_overhead => { '5.1' => 8 },
);
do_table($t, $info, \%indexes, \@count);
}
# compute table estimates
while(my ($tname,$t)= $report->tables_each())
{
$t->compute_estimate();
}
# Now parameters....
$report->parameters_set('NoOfTables' =>
new MySQL::NDB::Size::Parameter(name=>'NoOfTables',
mem_per_item=>20,
default=>128)
);
$report->parameters->{'NoOfTables'}->value_set($_ => scalar @{$report->tables_keys()})
foreach $report->versions;
$report->parameters_set('NoOfAttributes' =>
new MySQL::NDB::Size::Parameter(name=>'NoOfAttributes',
mem_per_item=>0.2,
default=>1000)
);
{
my $attr= 0;
while(my ($tname,$t)= $report->tables_each())
{
$attr+= scalar @{$t->columns_keys()};
}
$report->parameters->{'NoOfAttributes'}->value_set($_ => $attr)
foreach $report->versions;
}
$report->parameters_set('NoOfOrderedIndexes' =>
new MySQL::NDB::Size::Parameter(name=>'NoOfOrderedIndexes',
mem_per_item=>10,
default=>128)
);
{
my $attr= 0;
while(my ($tname,$t)= $report->tables_each())
{
next if $report->supporting_tables_exists($tname);
$attr+= scalar @{$t->indexes_keys()};
}
$report->parameters->{'NoOfOrderedIndexes'}->value_set($_ => $attr)
foreach $report->versions;
}