fileOpPerfTest.php

Go to the documentation of this file.

<?php
use MediaWiki\MediaWikiServices;
 
error_reporting( E_ALL );
require_once __DIR__ . '/Maintenance.php';
 
class FileOpPerfTest extends Maintenance {
    public function __construct() {
        parent::__construct();
        $this->addDescription( 'Test fileop performance' );
        $this->addOption( 'b1', 'Backend 1', true, true );
        $this->addOption( 'b2', 'Backend 2', false, true );
        $this->addOption( 'srcdir', 'File source directory', true, true );
        $this->addOption( 'maxfiles', 'Max files', false, true );
        $this->addOption( 'quick', 'Avoid operation pre-checks (use doQuickOperations())' );
        $this->addOption( 'parallelize', '"parallelize" flag for doOperations()', false, true );
    }
 
    public function execute() {
        $backendGroup = MediaWikiServices::getInstance()->getFileBackendGroup();
        $backend = $backendGroup->get( $this->getOption( 'b1' ) );
        $this->doPerfTest( $backend );
 
        if ( $this->getOption( 'b2' ) ) {
            $backend = $backendGroup->get( $this->getOption( 'b2' ) );
            $this->doPerfTest( $backend );
        }
    }
 
    protected function doPerfTest( FileBackend $backend ) {
        $ops1 = [];
        $ops2 = [];
        $ops3 = [];
        $ops4 = [];
        $ops5 = [];
 
        $baseDir = 'mwstore://' . $backend->getName() . '/testing-cont1';
        $backend->prepare( [ 'dir' => $baseDir ] );
 
        $dirname = $this->getOption( 'srcdir' );
        $dir = opendir( $dirname );
        if ( !$dir ) {
            return;
        }
 
        while ( ( $file = readdir( $dir ) ) !== false ) {
            if ( $file[0] != '.' ) {
                $this->output( "Using '$dirname/$file' in operations.\n" );
                $dst = $baseDir . '/' . wfBaseName( $file );
                $ops1[] = [ 'op' => 'store',
                    'src' => "$dirname/$file", 'dst' => $dst, 'overwrite' => 1 ];
                $ops2[] = [ 'op' => 'copy',
                    'src' => "$dst", 'dst' => "$dst-1", 'overwrite' => 1 ];
                $ops3[] = [ 'op' => 'move',
                    'src' => $dst, 'dst' => "$dst-2", 'overwrite' => 1 ];
                $ops4[] = [ 'op' => 'delete', 'src' => "$dst-1" ];
                $ops5[] = [ 'op' => 'delete', 'src' => "$dst-2" ];
            }
            if ( count( $ops1 ) >= $this->getOption( 'maxfiles', 20 ) ) {
                break;
            }
        }
        closedir( $dir );
        $this->output( "\n" );
 
        $method = $this->hasOption( 'quick' ) ? 'doQuickOperations' : 'doOperations';
 
        $opts = [ 'force' => 1 ];
        if ( $this->hasOption( 'parallelize' ) ) {
            $opts['parallelize'] = ( $this->getOption( 'parallelize' ) === 'true' );
        }
 
        $start = microtime( true );
        $status = $backend->$method( $ops1, $opts );
        $e = ( microtime( true ) - $start ) * 1000;
        if ( $status->getErrorsArray() ) {
            print_r( $status->getErrorsArray() );
            exit( 0 );
        }
        $this->output( $backend->getName() . ": Stored " . count( $ops1 ) . " files in $e ms.\n" );
 
        $start = microtime( true );
        $backend->$method( $ops2, $opts );
        $e = ( microtime( true ) - $start ) * 1000;
        if ( $status->getErrorsArray() ) {
            print_r( $status->getErrorsArray() );
            exit( 0 );
        }
        $this->output( $backend->getName() . ": Copied " . count( $ops2 ) . " files in $e ms.\n" );
 
        $start = microtime( true );
        $backend->$method( $ops3, $opts );
        $e = ( microtime( true ) - $start ) * 1000;
        if ( $status->getErrorsArray() ) {
            print_r( $status->getErrorsArray() );
            exit( 0 );
        }
        $this->output( $backend->getName() . ": Moved " . count( $ops3 ) . " files in $e ms.\n" );
 
        $start = microtime( true );
        $backend->$method( $ops4, $opts );
        $e = ( microtime( true ) - $start ) * 1000;
        if ( $status->getErrorsArray() ) {
            print_r( $status->getErrorsArray() );
            exit( 0 );
        }
        $this->output( $backend->getName() . ": Deleted " . count( $ops4 ) . " files in $e ms.\n" );
 
        $start = microtime( true );
        $backend->$method( $ops5, $opts );
        $e = ( microtime( true ) - $start ) * 1000;
        if ( $status->getErrorsArray() ) {
            print_r( $status->getErrorsArray() );
            exit( 0 );
        }
        $this->output( $backend->getName() . ": Deleted " . count( $ops5 ) . " files in $e ms.\n" );
    }
}
 
$maintClass = FileOpPerfTest::class;
require_once RUN_MAINTENANCE_IF_MAIN;