Java Code Examples for org.apache.hadoop.fs.FileSystem#setVerifyChecksum()
The following examples show how to use
org.apache.hadoop.fs.FileSystem#setVerifyChecksum() .
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Example 1
Source Project: hadoop File: TestFSInputChecker.java License: Apache License 2.0 | 6 votes |
/** * Tests read/seek/getPos/skipped opeation for input stream. */ private void testChecker(FileSystem fileSys, boolean readCS) throws Exception { Path file = new Path("try.dat"); writeFile(fileSys, file); try { if (!readCS) { fileSys.setVerifyChecksum(false); } stm = fileSys.open(file); checkReadAndGetPos(); checkSeek(); checkSkip(); //checkMark assertFalse(stm.markSupported()); stm.close(); } finally { if (!readCS) { fileSys.setVerifyChecksum(true); } cleanupFile(fileSys, file); } }
Example 2
Source Project: hadoop File: TestPread.java License: Apache License 2.0 | 6 votes |
private void dfsPreadTest(Configuration conf, boolean disableTransferTo, boolean verifyChecksum) throws IOException { conf.setLong(DFSConfigKeys.DFS_BLOCK_SIZE_KEY, 4096); conf.setLong(DFSConfigKeys.DFS_CLIENT_READ_PREFETCH_SIZE_KEY, 4096); // Set short retry timeouts so this test runs faster conf.setInt(DFSConfigKeys.DFS_CLIENT_RETRY_WINDOW_BASE, 0); if (simulatedStorage) { SimulatedFSDataset.setFactory(conf); } if (disableTransferTo) { conf.setBoolean("dfs.datanode.transferTo.allowed", false); } MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(3).build(); FileSystem fileSys = cluster.getFileSystem(); fileSys.setVerifyChecksum(verifyChecksum); try { Path file1 = new Path("preadtest.dat"); writeFile(fileSys, file1); pReadFile(fileSys, file1); datanodeRestartTest(cluster, fileSys, file1); cleanupFile(fileSys, file1); } finally { fileSys.close(); cluster.shutdown(); } }
Example 3
Source Project: hadoop File: DumpTypedBytes.java License: Apache License 2.0 | 6 votes |
/** * The main driver for <code>DumpTypedBytes</code>. */ public int run(String[] args) throws Exception { if (args.length == 0) { System.err.println("Too few arguments!"); printUsage(); return 1; } Path pattern = new Path(args[0]); FileSystem fs = pattern.getFileSystem(getConf()); fs.setVerifyChecksum(true); for (Path p : FileUtil.stat2Paths(fs.globStatus(pattern), pattern)) { List<FileStatus> inputFiles = new ArrayList<FileStatus>(); FileStatus status = fs.getFileStatus(p); if (status.isDirectory()) { FileStatus[] files = fs.listStatus(p); Collections.addAll(inputFiles, files); } else { inputFiles.add(status); } return dumpTypedBytes(inputFiles); } return -1; }
Example 4
Source Project: big-c File: TestFSInputChecker.java License: Apache License 2.0 | 6 votes |
/** * Tests read/seek/getPos/skipped opeation for input stream. */ private void testChecker(FileSystem fileSys, boolean readCS) throws Exception { Path file = new Path("try.dat"); writeFile(fileSys, file); try { if (!readCS) { fileSys.setVerifyChecksum(false); } stm = fileSys.open(file); checkReadAndGetPos(); checkSeek(); checkSkip(); //checkMark assertFalse(stm.markSupported()); stm.close(); } finally { if (!readCS) { fileSys.setVerifyChecksum(true); } cleanupFile(fileSys, file); } }
Example 5
Source Project: big-c File: TestPread.java License: Apache License 2.0 | 6 votes |
private void dfsPreadTest(Configuration conf, boolean disableTransferTo, boolean verifyChecksum) throws IOException { conf.setLong(DFSConfigKeys.DFS_BLOCK_SIZE_KEY, 4096); conf.setLong(DFSConfigKeys.DFS_CLIENT_READ_PREFETCH_SIZE_KEY, 4096); // Set short retry timeouts so this test runs faster conf.setInt(DFSConfigKeys.DFS_CLIENT_RETRY_WINDOW_BASE, 0); if (simulatedStorage) { SimulatedFSDataset.setFactory(conf); } if (disableTransferTo) { conf.setBoolean("dfs.datanode.transferTo.allowed", false); } MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(3).build(); FileSystem fileSys = cluster.getFileSystem(); fileSys.setVerifyChecksum(verifyChecksum); try { Path file1 = new Path("preadtest.dat"); writeFile(fileSys, file1); pReadFile(fileSys, file1); datanodeRestartTest(cluster, fileSys, file1); cleanupFile(fileSys, file1); } finally { fileSys.close(); cluster.shutdown(); } }
Example 6
Source Project: big-c File: DumpTypedBytes.java License: Apache License 2.0 | 6 votes |
/** * The main driver for <code>DumpTypedBytes</code>. */ public int run(String[] args) throws Exception { if (args.length == 0) { System.err.println("Too few arguments!"); printUsage(); return 1; } Path pattern = new Path(args[0]); FileSystem fs = pattern.getFileSystem(getConf()); fs.setVerifyChecksum(true); for (Path p : FileUtil.stat2Paths(fs.globStatus(pattern), pattern)) { List<FileStatus> inputFiles = new ArrayList<FileStatus>(); FileStatus status = fs.getFileStatus(p); if (status.isDirectory()) { FileStatus[] files = fs.listStatus(p); Collections.addAll(inputFiles, files); } else { inputFiles.add(status); } return dumpTypedBytes(inputFiles); } return -1; }