Examples with Date java.util.Date used on opensource projects

Example 71 with Date

use of java.util.Date in project hadoop by apache.

the class RollingFileSystemSinkTestBase method readLogFile.

/**
   * Read the log files at the target path and return the contents as a single
   * string. This method will assert that the correct number of files is found.
   *
   * @param path the target path
   * @param then when the test method began. Used to find the log directory in
   * the case that the test run crosses the top of the hour.
   * @param count the number of log files to expect
   * @return
   * @throws IOException
   * @throws URISyntaxException
   */
protected String readLogFile(String path, String then, int count) throws IOException, URISyntaxException {
    final String now = DATE_FORMAT.format(new Date()) + "00";
    final String logFile = getLogFilename();
    FileSystem fs = FileSystem.get(new URI(path), new Configuration());
    StringBuilder metrics = new StringBuilder();
    boolean found = false;
    for (FileStatus status : fs.listStatus(new Path(path))) {
        Path logDir = status.getPath();
        // the test started and the current time.  Anything else can be ignored.
        if (now.equals(logDir.getName()) || then.equals(logDir.getName())) {
            readLogData(fs, findMostRecentLogFile(fs, new Path(logDir, logFile)), metrics);
            assertFileCount(fs, logDir, count);
            found = true;
        }
    }
    assertTrue("No valid log directories found", found);
    return metrics.toString();
}

Example 72 with Date

use of java.util.Date in project hadoop by apache.

the class RollingFileSystemSinkTestBase method getNowNotTopOfHour.

/**
   * Return a calendar based on the current time.  If the current time is very
   * near the top of the hour (less than 20 seconds), sleep until the new hour
   * before returning a new Calendar instance.
   *
   * @return a new Calendar instance that isn't near the top of the hour
   * @throws InterruptedException if interrupted while sleeping
   */
public Calendar getNowNotTopOfHour() throws InterruptedException {
    Calendar now = Calendar.getInstance(TimeZone.getTimeZone("GMT"));
    // so that we don't get confused by the directory rolling
    if ((now.get(Calendar.MINUTE) == 59) && (now.get(Calendar.SECOND) > 40)) {
        Thread.sleep((61 - now.get(Calendar.SECOND)) * 1000L);
        now.setTime(new Date());
    }
    return now;
}

Example 73 with Date

use of java.util.Date in project hadoop by apache.

the class TestSetTimes method testTimesAtClose.

/**
   * Tests mod time change at close in DFS.
   */
@Test
public void testTimesAtClose() throws IOException {
    Configuration conf = new HdfsConfiguration();
    // 2s
    final int MAX_IDLE_TIME = 2000;
    int replicas = 1;
    // parameter initialization
    conf.setInt("ipc.client.connection.maxidletime", MAX_IDLE_TIME);
    conf.setInt(DFSConfigKeys.DFS_NAMENODE_HEARTBEAT_RECHECK_INTERVAL_KEY, 1000);
    conf.setInt(DFSConfigKeys.DFS_HEARTBEAT_INTERVAL_KEY, 1);
    conf.setInt(DFSConfigKeys.DFS_DATANODE_HANDLER_COUNT_KEY, 50);
    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(numDatanodes).build();
    cluster.waitActive();
    InetSocketAddress addr = new InetSocketAddress("localhost", cluster.getNameNodePort());
    DFSClient client = new DFSClient(addr, conf);
    DatanodeInfo[] info = client.datanodeReport(DatanodeReportType.LIVE);
    assertEquals("Number of Datanodes ", numDatanodes, info.length);
    FileSystem fileSys = cluster.getFileSystem();
    assertTrue(fileSys instanceof DistributedFileSystem);
    try {
        // create a new file and write to it
        Path file1 = new Path("/simple.dat");
        FSDataOutputStream stm = writeFile(fileSys, file1, replicas);
        System.out.println("Created and wrote file simple.dat");
        FileStatus statBeforeClose = fileSys.getFileStatus(file1);
        long mtimeBeforeClose = statBeforeClose.getModificationTime();
        String mdateBeforeClose = dateForm.format(new Date(mtimeBeforeClose));
        System.out.println("mtime on " + file1 + " before close is " + mdateBeforeClose + " (" + mtimeBeforeClose + ")");
        assertTrue(mtimeBeforeClose != 0);
        //close file after writing
        stm.close();
        System.out.println("Closed file.");
        FileStatus statAfterClose = fileSys.getFileStatus(file1);
        long mtimeAfterClose = statAfterClose.getModificationTime();
        String mdateAfterClose = dateForm.format(new Date(mtimeAfterClose));
        System.out.println("mtime on " + file1 + " after close is " + mdateAfterClose + " (" + mtimeAfterClose + ")");
        assertTrue(mtimeAfterClose != 0);
        assertTrue(mtimeBeforeClose != mtimeAfterClose);
        cleanupFile(fileSys, file1);
    } catch (IOException e) {
        info = client.datanodeReport(DatanodeReportType.ALL);
        printDatanodeReport(info);
        throw e;
    } finally {
        fileSys.close();
        cluster.shutdown();
    }
}

Example 74 with Date

use of java.util.Date in project hadoop by apache.

the class TestSetTimes method testTimes.

/**
   * Tests mod & access time in DFS.
   */
@Test
public void testTimes() throws IOException {
    Configuration conf = new HdfsConfiguration();
    // 2s
    final int MAX_IDLE_TIME = 2000;
    conf.setInt("ipc.client.connection.maxidletime", MAX_IDLE_TIME);
    conf.setInt(DFSConfigKeys.DFS_NAMENODE_HEARTBEAT_RECHECK_INTERVAL_KEY, 1000);
    conf.setInt(DFSConfigKeys.DFS_HEARTBEAT_INTERVAL_KEY, 1);
    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(numDatanodes).build();
    cluster.waitActive();
    final int nnport = cluster.getNameNodePort();
    InetSocketAddress addr = new InetSocketAddress("localhost", cluster.getNameNodePort());
    DFSClient client = new DFSClient(addr, conf);
    DatanodeInfo[] info = client.datanodeReport(DatanodeReportType.LIVE);
    assertEquals("Number of Datanodes ", numDatanodes, info.length);
    FileSystem fileSys = cluster.getFileSystem();
    int replicas = 1;
    assertTrue(fileSys instanceof DistributedFileSystem);
    try {
        //
        // create file and record atime/mtime
        //
        System.out.println("Creating testdir1 and testdir1/test1.dat.");
        Path dir1 = new Path("testdir1");
        Path file1 = new Path(dir1, "test1.dat");
        FSDataOutputStream stm = writeFile(fileSys, file1, replicas);
        FileStatus stat = fileSys.getFileStatus(file1);
        long atimeBeforeClose = stat.getAccessTime();
        String adate = dateForm.format(new Date(atimeBeforeClose));
        System.out.println("atime on " + file1 + " before close is " + adate + " (" + atimeBeforeClose + ")");
        assertTrue(atimeBeforeClose != 0);
        stm.close();
        stat = fileSys.getFileStatus(file1);
        long atime1 = stat.getAccessTime();
        long mtime1 = stat.getModificationTime();
        adate = dateForm.format(new Date(atime1));
        String mdate = dateForm.format(new Date(mtime1));
        System.out.println("atime on " + file1 + " is " + adate + " (" + atime1 + ")");
        System.out.println("mtime on " + file1 + " is " + mdate + " (" + mtime1 + ")");
        assertTrue(atime1 != 0);
        //
        // record dir times
        //
        stat = fileSys.getFileStatus(dir1);
        long mdir1 = stat.getAccessTime();
        assertTrue(mdir1 == 0);
        // set the access time to be one day in the past
        long atime2 = atime1 - (24L * 3600L * 1000L);
        fileSys.setTimes(file1, -1, atime2);
        // check new access time on file
        stat = fileSys.getFileStatus(file1);
        long atime3 = stat.getAccessTime();
        String adate3 = dateForm.format(new Date(atime3));
        System.out.println("new atime on " + file1 + " is " + adate3 + " (" + atime3 + ")");
        assertTrue(atime2 == atime3);
        assertTrue(mtime1 == stat.getModificationTime());
        // set the modification time to be 1 hour in the past
        long mtime2 = mtime1 - (3600L * 1000L);
        fileSys.setTimes(file1, mtime2, -1);
        // check new modification time on file
        stat = fileSys.getFileStatus(file1);
        long mtime3 = stat.getModificationTime();
        String mdate3 = dateForm.format(new Date(mtime3));
        System.out.println("new mtime on " + file1 + " is " + mdate3 + " (" + mtime3 + ")");
        assertTrue(atime2 == stat.getAccessTime());
        assertTrue(mtime2 == mtime3);
        long mtime4 = Time.now() - (3600L * 1000L);
        long atime4 = Time.now();
        fileSys.setTimes(dir1, mtime4, atime4);
        // check new modification time on file
        stat = fileSys.getFileStatus(dir1);
        assertTrue("Not matching the modification times", mtime4 == stat.getModificationTime());
        assertTrue("Not matching the access times", atime4 == stat.getAccessTime());
        Path nonExistingDir = new Path(dir1, "/nonExistingDir/");
        try {
            fileSys.setTimes(nonExistingDir, mtime4, atime4);
            fail("Expecting FileNotFoundException");
        } catch (FileNotFoundException e) {
            assertTrue(e.getMessage().contains("File/Directory " + nonExistingDir.toString() + " does not exist."));
        }
        // shutdown cluster and restart
        cluster.shutdown();
        try {
            Thread.sleep(2 * MAX_IDLE_TIME);
        } catch (InterruptedException e) {
        }
        cluster = new MiniDFSCluster.Builder(conf).nameNodePort(nnport).format(false).build();
        cluster.waitActive();
        fileSys = cluster.getFileSystem();
        // verify that access times and modification times persist after a
        // cluster restart.
        System.out.println("Verifying times after cluster restart");
        stat = fileSys.getFileStatus(file1);
        assertTrue(atime2 == stat.getAccessTime());
        assertTrue(mtime3 == stat.getModificationTime());
        cleanupFile(fileSys, file1);
        cleanupFile(fileSys, dir1);
    } catch (IOException e) {
        info = client.datanodeReport(DatanodeReportType.ALL);
        printDatanodeReport(info);
        throw e;
    } finally {
        fileSys.close();
        cluster.shutdown();
    }
}

Example 75 with Date

use of java.util.Date in project hadoop by apache.

the class FSNamesystem method getTopUserOpCounts.

// FSNamesystemMBean
@Override
public String getTopUserOpCounts() {
    if (!topConf.isEnabled) {
        return null;
    }
    Date now = new Date();
    final List<RollingWindowManager.TopWindow> topWindows = topMetrics.getTopWindows();
    Map<String, Object> topMap = new TreeMap<String, Object>();
    topMap.put("windows", topWindows);
    topMap.put("timestamp", DFSUtil.dateToIso8601String(now));
    try {
        return JsonUtil.toJsonString(topMap);
    } catch (IOException e) {
        LOG.warn("Failed to fetch TopUser metrics", e);
    }
    return null;
}