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phorge/scripts/sql/probe.php
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probe.php
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#!/usr/bin/env php
<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
$root = dirname(dirname(dirname(__FILE__)));
require_once $root.'/scripts/__init_script__.php';
$data = array();
$conn_r = id(new PhabricatorUser())->establishConnection('r');
$databases = queryfx_all($conn_r, 'SHOW DATABASES');
foreach ($databases as $database) {
$name = head($database);
queryfx($conn_r, 'USE %C', $name);
$tables = queryfx_all(
$conn_r,
'SHOW TABLE STATUS');
$tables = ipull($tables, null, 'Name');
$data[$name] = $tables;
}
$totals = array_fill_keys(array_keys($data), 0);
$overall = 0;
foreach ($data as $db => $tables) {
foreach ($tables as $table => $info) {
$table_size = $info['Data_length'] + $info['Index_length'];
$data[$db][$table]['_totalSize'] = $table_size;
$totals[$db] += $table_size;
$overall += $table_size;
}
}
echo "APPROXIMATE TABLE SIZES\n";
asort($totals);
foreach ($totals as $db => $size) {
printf("%-32.32s %18s\n", $db, fmt($totals[$db], $overall));
$data[$db] = isort($data[$db], '_totalSize');
foreach ($data[$db] as $table => $info) {
printf(" %-28.28s %18s\n", $table, fmt($info['_totalSize'], $overall));
}
}
printf("%-32.32s %18s\n", 'TOTAL', fmt($overall, $overall));
function fmt($n, $o) {
return sprintf(
'%8.8s MB %5.5s%%',
number_format($n / (1024 * 1024), 1),
sprintf('%3.1f', 100 * ($n / $o)));
}

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