class PurgeParserCache extends Maintenance {
public $lastProgress;
+ private $usleep = 0;
+
function __construct() {
parent::__construct();
$this->addDescription( "Remove old objects from the parser cache. " .
$this->addOption( 'expiredate', 'Delete objects expiring before this date.', false, true );
$this->addOption(
'age',
- 'Delete objects created more than this many seconds ago, assuming $wgParserCacheExpireTime ' .
- 'has been consistent.',
- false, true );
+ 'Delete objects created more than this many seconds ago, assuming ' .
+ '$wgParserCacheExpireTime has remained consistent.',
+ false,
+ true );
+ $this->addOption( 'msleep', 'Milliseconds to sleep between purge chunks', false, true );
}
function execute() {
+ global $wgParserCacheExpireTime;
+
$inputDate = $this->getOption( 'expiredate' );
$inputAge = $this->getOption( 'age' );
if ( $inputDate !== null ) {
$date = wfTimestamp( TS_MW, strtotime( $inputDate ) );
} elseif ( $inputAge !== null ) {
- global $wgParserCacheExpireTime;
$date = wfTimestamp( TS_MW, time() + $wgParserCacheExpireTime - intval( $inputAge ) );
} else {
$this->error( "Must specify either --expiredate or --age", 1 );
+ return;
}
+ $this->usleep = 1e3 * $this->getOption( 'msleep', 0 );
$english = Language::factory( 'en' );
- $this->output( "Deleting objects expiring before " . $english->timeanddate( $date ) . "\n" );
+ $this->output( "Deleting objects expiring before " .
+ $english->timeanddate( $date ) . "\n" );
$pc = wfGetParserCacheStorage();
- $success = $pc->deleteObjectsExpiringBefore( $date, [ $this, 'showProgress' ] );
+ $success = $pc->deleteObjectsExpiringBefore( $date, [ $this, 'showProgressAndWait' ] );
if ( !$success ) {
$this->error( "\nCannot purge this kind of parser cache.", 1 );
}
- $this->showProgress( 100 );
+ $this->showProgressAndWait( 100 );
$this->output( "\nDone\n" );
}
- function showProgress( $percent ) {
+ public function showProgressAndWait( $percent ) {
+ usleep( $this->usleep ); // avoid lag; T150124
+
$percentString = sprintf( "%.2f", $percent );
if ( $percentString === $this->lastProgress ) {
return;