<?php
-
/**
- * Show some statistics on the blob_orphans table, created with trackBlobs.php
+ * Show some statistics on the blob_orphans table, created with trackBlobs.php.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup Maintenance ExternalStorage
*/
-require_once( dirname(__FILE__).'/../commandLine.inc' );
-$stats = new OrphanStats;
-$stats->execute();
+require_once __DIR__ . '/../Maintenance.php';
+
+/**
+ * Maintenance script that shows some statistics on the blob_orphans table,
+ * created with trackBlobs.php.
+ *
+ * @ingroup Maintenance ExternalStorage
+ */
+class OrphanStats extends Maintenance {
+ public function __construct() {
+ parent::__construct();
+ $this->mDescription = "how some statistics on the blob_orphans table, created with trackBlobs.php";
+ }
-class OrphanStats {
- function getDB( $cluster ) {
+ protected function &getDB( $cluster, $groups = array(), $wiki = false ) {
$lb = wfGetLBFactory()->getExternalLB( $cluster );
return $lb->getConnection( DB_SLAVE );
}
- function execute() {
- $extDBs = array();
+ public function execute() {
$dbr = wfGetDB( DB_SLAVE );
+ if ( !$dbr->tableExists( 'blob_orphans' ) ) {
+ $this->error( "blob_orphans doesn't seem to exist, need to run trackBlobs.php first", true );
+ }
$res = $dbr->select( 'blob_orphans', '*', false, __METHOD__ );
-
+
$num = 0;
$totalSize = 0;
$hashes = array();
foreach ( $res as $boRow ) {
$extDB = $this->getDB( $boRow->bo_cluster );
$blobRow = $extDB->selectRow( 'blobs', '*', array( 'blob_id' => $boRow->bo_blob_id ), __METHOD__ );
-
+
$num++;
$size = strlen( $blobRow->blob_text );
$totalSize += $size;
}
unset( $res );
- echo "Number of orphans: $num\n";
+ $this->output( "Number of orphans: $num\n" );
if ( $num > 0 ) {
- echo "Average size: " . round( $totalSize / $num, 0 ) . " bytes\n" .
- "Max size: $maxSize\n" .
- "Number of unique texts: " . count( $hashes ) . "\n";
+ $this->output( "Average size: " . round( $totalSize / $num, 0 ) . " bytes\n" .
+ "Max size: $maxSize\n" .
+ "Number of unique texts: " . count( $hashes ) . "\n" );
}
}
}
+
+$maintClass = "OrphanStats";
+require_once RUN_MAINTENANCE_IF_MAIN;