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Ctor 264 plugin database mysql mode databasesize change the way we calculate the fragmentation rate #5088

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merged 3 commits into from
Jul 2, 2024
Merged

Ctor 264 plugin database mysql mode databasesize change the way we calculate the fragmentation rate #5088

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9fcd127
wip: reindented the fragmentation query
omercier Jul 1, 2024
8d0018a
enh(plugin): improve fragmentation calculation
omercier Jul 1, 2024
ef5fc60
enh(help): improve the help messages
omercier Jul 1, 2024
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19 changes: 16 additions & 3 deletions src/database/mysql/mode/databasessize.pm
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Original file line number Diff line number Diff line change
Expand Up @@ -172,7 +172,20 @@ sub manage_selection {
$innodb_per_table = 1 if ($value =~ /on/i);

$options{sql}->query(
query => q{SELECT table_schema, table_name, engine, data_free, data_length+index_length as data_used, (DATA_FREE / (DATA_LENGTH+INDEX_LENGTH)) as TAUX_FRAG FROM information_schema.tables WHERE table_type = 'BASE TABLE' AND engine IN ('InnoDB', 'MyISAM')}
query => q{
SELECT
table_schema,
table_name,
engine,
data_free,
data_length + index_length as data_used,
DATA_FREE / (DATA_LENGTH + INDEX_LENGTH + DATA_FREE) as TAUX_FRAG
FROM
information_schema.tables
WHERE
table_type = 'BASE TABLE'
AND engine IN ('InnoDB', 'MyISAM')
}
);
my $result = $options{sql}->fetchall_arrayref();

Expand Down Expand Up @@ -230,7 +243,7 @@ __END__

=head1 MODE

Check MySQL databases size and tables.
Check MySQL/MariaDB databases and tables sizes.

=over 8

Expand All @@ -240,7 +253,7 @@ Filter the databases to monitor with a regular expression.

=item B<--filter-table>

Filter table name (can be a regexp).
Filter tables by name (can be a regexp).

=item B<--warning-*> B<--critical-*>

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