diff --git a/test/jdk/java/nio/channels/FileChannel/FileExtensionAndMap.java b/test/jdk/java/nio/channels/FileChannel/FileExtensionAndMap.java deleted file mode 100644 index 84feb55cdb7..00000000000 --- a/test/jdk/java/nio/channels/FileChannel/FileExtensionAndMap.java +++ /dev/null @@ -1,203 +0,0 @@ -/* - * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. - * - * This code 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 - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - */ - -/* @test - * @ignore This test has huge disk space requirements - * @bug 8168628 - * @summary Test extending files to very large sizes without hitting a SIGBUS - * @requires (os.family == "linux") - * @run main/othervm/timeout=600 -Xms4g -Xmx4g FileExtensionAndMap - * @run main/othervm/timeout=600 -Xms4g -Xmx4g FileExtensionAndMap true - */ - -import java.io.File; -import java.io.IOException; -import java.io.RandomAccessFile; -import java.nio.MappedByteBuffer; -import java.nio.channels.ClosedChannelException; -import java.nio.channels.FileChannel; -import java.nio.channels.FileChannel.MapMode; -import java.nio.file.Files; -import java.nio.file.Path; -import java.nio.file.Paths; -import java.nio.file.StandardCopyOption; -import java.nio.file.StandardOpenOption; -import java.util.concurrent.ExecutorService; -import java.util.concurrent.Executors; -import java.util.concurrent.ForkJoinPool; -import java.util.concurrent.Semaphore; -import java.util.stream.IntStream; - -public class FileExtensionAndMap { - - private static final ExecutorService CACHED_EXECUTORSERVICE = - Executors.newCachedThreadPool(); - - private static final String TMPDIR = System.getProperty("test.dir", "."); - - private static boolean useRaf = false; - - public static void main(String args[]) throws Exception { - if (args.length > 2) { - throw new IllegalArgumentException - ("Arguments: [true|false [targetFolder]]"); - } - - String defaultFolder = TMPDIR + File.separator + "target"; - if (args.length > 0) { - useRaf = Boolean.valueOf(args[0]); - if (args.length > 1) { - defaultFolder = args[1]; - } - } - final String targetFolder = defaultFolder; - Path p = Paths.get(targetFolder); - boolean targetExists = Files.exists(p); - if (!targetExists) { - Files.createDirectory(p); - } - - System.out.printf("Using RandomAccessFile: %s; target folder: %s%n", - useRaf, targetFolder); - - ForkJoinPool fjPool = new ForkJoinPool(3); - fjPool.submit(() -> { - IntStream.range(0, 20).parallel().forEach((index) -> { - String fileName = "testBigFile_" + index + ".dat"; - Path source = null; - Path target = null; - try { - source = Paths.get(TMPDIR, fileName); - testCreateBigFile(source); - target = Paths.get(targetFolder, fileName); - testFileCopy(source, target); - } catch (Throwable th) { - System.err.println("Error copying file with fileName: " - + fileName + " : " + th.getMessage()); - th.printStackTrace(System.err); - } finally { - try { - if (source != null) { - Files.deleteIfExists(source); - } - } catch (Throwable ignored) { - } - try { - if (target != null) { - Files.deleteIfExists(target); - } - } catch (Throwable ignored) { - } - } - }); - }).join(); - - if (!targetExists) { - Files.delete(p); - } - } - - private static void testFileCopy(Path source, Path target) - throws IOException { - Files.copy(source, target, StandardCopyOption.REPLACE_EXISTING); - System.out.println("Finished copying file with fileName: " - + source.getFileName()); - } - - private static void testCreateBigFile(Path segmentFile) - throws IOException { - final Semaphore concurrencySemaphore = new Semaphore(5); - long fileSize = 3L * 1024L * 1024L * 1024L; - int blockSize = 10 * 1024 * 1024; - int loopCount = (int) Math.floorDiv(fileSize, blockSize); - - String fileName = segmentFile.getFileName().toString(); - if (useRaf) { - try (RandomAccessFile raf - = new RandomAccessFile(segmentFile.toFile(), "rw")) { - raf.setLength(fileSize); - try (FileChannel fc = raf.getChannel()) { - for (int i = 0; i < loopCount; i++) { - final long startPosition = 1L * blockSize * i; - concurrencySemaphore.acquireUninterruptibly(); - CACHED_EXECUTORSERVICE.submit(() -> { - writeTemplateData(fileName, fc, startPosition, - blockSize, concurrencySemaphore); - }); - } - } finally { - concurrencySemaphore.acquireUninterruptibly(5); - } - } - } else { - Path file = Files.createFile(segmentFile); - try (FileChannel fc = FileChannel.open(file, - StandardOpenOption.READ, StandardOpenOption.WRITE)) { - for (int i = 0; i < loopCount; i++) { - final long startPosition = 1L * blockSize * i; - concurrencySemaphore.acquireUninterruptibly(); - CACHED_EXECUTORSERVICE.submit(() -> { - writeTemplateData(fileName, fc, startPosition, - blockSize, concurrencySemaphore); - }); - } - } - } - } - - private static void writeTemplateData(String fileName, - FileChannel fc, long startPosition, int blockSize, - Semaphore concurrencySemaphore) { - try { - byte[] EMPTY_RECORD = new byte[blockSize / 256]; - - MappedByteBuffer mappedByteBuffer = fc.map(MapMode.READ_WRITE, - startPosition, blockSize); - IntStream.range(0, 256).forEach((recordIndex) -> { - try { - mappedByteBuffer.position((int) (recordIndex * - EMPTY_RECORD.length)); - mappedByteBuffer.put(EMPTY_RECORD, 0, EMPTY_RECORD.length); - } catch (Throwable th) { - System.err.println - ("Error in FileExtensionAndMap.writeTemplateData empty record for fileName: " - + fileName + ", startPosition: " + startPosition + ", recordIndex: " - + recordIndex + " : " + th.getMessage()); - th.printStackTrace(System.err); - } - }); - - mappedByteBuffer.force(); - } catch (Throwable th) { - if (!(th instanceof ClosedChannelException)) { - System.err.println - ("Error in FileExtensionAndMap.writeTemplateData empty record for fileName: " - + fileName + ", startPosition: " + startPosition + " : " - + th.getMessage()); - th.printStackTrace(System.err); - } - } finally { - concurrencySemaphore.release(); - } - } -}