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Add a little SQL-info script that is sort of useful maybe?

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Summary: I'm not aware of an easy way to get this information through normal tools. I'm sure there's some fancy GUI client that has it but this seems worth keeping around.

Test Plan: ran script, got helpful information about data sizes

Reviewers: nh, btrahan

Reviewed By: nh

CC: aran, epriestley

Differential Revision: https://secure.phabricator.com/D1916
This commit is contained in:
epriestley 2012-03-15 14:16:40 -07:00
parent cc3e52b8d9
commit d5c3d83a3f
1 changed files with 69 additions and 0 deletions
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69
scripts/sql/probe.php Executable file
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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)));
}