fileOpPerfTest.php

Go to the documentation of this file.

<?php
$wgProfiler = array( 'class' => 'ProfilerSimpleText' );
error_reporting( E_ALL );

require_once( __DIR__ . '/Maintenance.php' );

class TestFileOpPerformance extends Maintenance {
        public function __construct() {
                parent::__construct();
                $this->mDescription = "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() {
                $backend = FileBackendGroup::singleton()->get( $this->getOption( 'b1' ) );
                $this->doPerfTest( $backend );

                if ( $this->getOption( 'b2' ) ) {
                        $backend = FileBackendGroup::singleton()->get( $this->getOption( 'b2' ) );
                        $this->doPerfTest( $backend );
                }

                $profiler = Profiler::instance();
                $profiler->setTemplated( true );

                //NOTE: as of MW1.21, $profiler->logData() is called implicitly by doMaintenance.php.
        }

        protected function doPerfTest( FileBackend $backend ) {
                $ops1 = array();
                $ops2 = array();
                $ops3 = array();
                $ops4 = array();
                $ops5 = array();

                $baseDir = 'mwstore://' . $backend->getName() . '/testing-cont1';
                $backend->prepare( array( 'dir' => $baseDir ) );

                $dirname = $this->getOption( 'srcdir' );
                $dir = opendir( $dirname );
                if ( !$dir ) {
                        return;
                }

                while ( $dir && ( $file = readdir( $dir ) ) !== false ) {
                        if ( $file[0] != '.' ) {
                                $this->output( "Using '$dirname/$file' in operations.\n" );
                                $dst = $baseDir . '/' . wfBaseName( $file );
                                $ops1[] = array( 'op' => 'store',
                                        'src' => "$dirname/$file", 'dst' => $dst, 'overwrite' => 1);
                                $ops2[] = array( 'op' => 'copy',
                                        'src' => "$dst", 'dst' => "$dst-1", 'overwrite' => 1 );
                                $ops3[] = array( 'op' => 'move',
                                        'src' => $dst, 'dst' => "$dst-2", 'overwrite' => 1 );
                                $ops4[] = array( 'op' => 'delete', 'src' => "$dst-1" );
                                $ops5[] = array( 'op' => 'delete', 'src' => "$dst-2" );
                        }
                        if ( count( $ops1 ) >= $this->getOption( 'maxfiles', 20 ) ) {
                                break; // enough
                        }
                }
                closedir( $dir );
                $this->output( "\n" );

                $method = $this->hasOption( 'quick' ) ? 'doQuickOperations' : 'doOperations';

                $opts = array( '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 = "TestFileOpPerformance";
require_once( RUN_MAINTENANCE_IF_MAIN );