mirror of
https://github.com/YunoHost-Apps/mediawiki_ynh.git
synced 2024-09-03 19:46:05 +02:00
77 lines
2.5 KiB
PHP
77 lines
2.5 KiB
PHP
<?php
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/**
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* Show some statistics on the blob_orphans table, created with trackBlobs.php.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup Maintenance ExternalStorage
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*/
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require_once __DIR__ . '/../Maintenance.php';
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/**
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* Maintenance script that shows some statistics on the blob_orphans table,
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* created with trackBlobs.php.
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*
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* @ingroup Maintenance ExternalStorage
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*/
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class OrphanStats extends Maintenance {
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public function __construct() {
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parent::__construct();
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$this->mDescription = "how some statistics on the blob_orphans table, created with trackBlobs.php";
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}
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protected function &getDB( $cluster, $groups = array(), $wiki = false ) {
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$lb = wfGetLBFactory()->getExternalLB( $cluster );
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return $lb->getConnection( DB_SLAVE );
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}
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public function execute() {
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$dbr = wfGetDB( DB_SLAVE );
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if ( !$dbr->tableExists( 'blob_orphans' ) ) {
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$this->error( "blob_orphans doesn't seem to exist, need to run trackBlobs.php first", true );
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}
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$res = $dbr->select( 'blob_orphans', '*', false, __METHOD__ );
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$num = 0;
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$totalSize = 0;
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$hashes = array();
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$maxSize = 0;
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foreach ( $res as $boRow ) {
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$extDB = $this->getDB( $boRow->bo_cluster );
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$blobRow = $extDB->selectRow( 'blobs', '*', array( 'blob_id' => $boRow->bo_blob_id ), __METHOD__ );
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$num++;
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$size = strlen( $blobRow->blob_text );
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$totalSize += $size;
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$hashes[ sha1( $blobRow->blob_text ) ] = true;
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$maxSize = max( $size, $maxSize );
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}
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unset( $res );
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$this->output( "Number of orphans: $num\n" );
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if ( $num > 0 ) {
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$this->output( "Average size: " . round( $totalSize / $num, 0 ) . " bytes\n" .
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"Max size: $maxSize\n" .
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"Number of unique texts: " . count( $hashes ) . "\n" );
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}
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}
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}
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$maintClass = "OrphanStats";
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require_once RUN_MAINTENANCE_IF_MAIN;
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