Example usage for java.io File getTotalSpace

Introduction

In this page you can find the example usage for java.io File getTotalSpace.

Prototype

public long getTotalSpace() 

Source Link

Document

Returns the size of the partition named by this abstract pathname.

Usage

From source file:com.glaf.core.util.FileUtils.java

/**
 * ??//from   www .  ja va  2s  .  co m
 */
public static double getDiskPartitionSpaceUsedPercent(final String path) {
    if (null == path || path.isEmpty())
        return -1;

    try {
        File file = new File(path);
        if (!file.exists()) {
            boolean result = file.mkdirs();
            if (!result) {
            }
        }

        long totalSpace = file.getTotalSpace();
        long freeSpace = file.getFreeSpace();
        long usedSpace = totalSpace - freeSpace;
        if (totalSpace > 0) {
            return usedSpace / (double) totalSpace;
        }
    } catch (Exception e) {
        return -1;
    }

    return -1;
}

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From source file:com.aliyun.odps.mapred.unittest.MRUnitTest.java

/**
 * ?.//  w ww.j a  v  a  2  s. c  o  m
 * 
 * <p>
 * ????__schema__???
 * schema?[<proj>.<table_name>,]<col_name>:<col_type
 * >(,<col_name>:<col_type>)*<br />
 * 
 * <ul>
 * <li>proj.tablename,a:string,b:bigint,c:double
 * <li>a:string,b:bigint,c:double
 * </ul>
 * 
 * @param dir
 *          
 * @return  {@link List}
 * @throws IOException
 * 
 * @see {@link #writeRecords(File, List, String)}
 */
public static List<Record> readRecords(File dir) throws IOException {
    List<Record> records = new ArrayList<Record>();
    TableMeta meta = SchemaUtils.readSchema(dir);
    File dataFile = new File(dir, "data");
    if (!dataFile.exists()) {
        return records;
    }
    Counter emptyCounter = counters.findCounter(JobCounter.__EMPTY_WILL_NOT_SHOW);
    RecordReader reader = new CSVRecordReader(
            new FileSplit(dataFile, meta.getCols(), 0, dataFile.getTotalSpace()), meta, emptyCounter,
            emptyCounter, counters, WareHouse.getInstance().getInputColumnSeperator());

    Record r = reader.read();
    while (r != null) {
        records.add(r.clone());
        r = reader.read();
    }
    reader.close();

    return records;
}

---

From source file:org.apache.bookkeeper.util.TestDiskChecker.java

/**
 * Check the disk full/*from   ww w .j av  a2  s.  c  o m*/
 */
@Test(expected = DiskOutOfSpaceException.class)
public void testCheckDiskFull() throws IOException {
    File file = createTempDir("DiskCheck", "test");
    long usableSpace = file.getUsableSpace();
    long totalSpace = file.getTotalSpace();
    float threshold = (1f - ((float) usableSpace / (float) totalSpace)) * 0.5f;
    diskChecker.setDiskSpaceThreshold(threshold, threshold);
    diskChecker.checkDiskFull(file);
}

---

From source file:org.apache.bookkeeper.util.TestDiskChecker.java

@Test(expected = DiskWarnThresholdException.class)
public void testDiskWarnThresholdException() throws IOException {
    File file = createTempDir("DiskCheck", "test");
    long usableSpace = file.getUsableSpace();
    long totalSpace = file.getTotalSpace();
    float diskSpaceThreshold = (1f - ((float) usableSpace / (float) totalSpace));
    float diskWarnThreshold = (1f - ((float) usableSpace / (float) totalSpace)) * 0.5f;
    diskChecker.setDiskSpaceThreshold(diskSpaceThreshold, diskWarnThreshold);
    diskChecker.checkDiskFull(file);//from  www  . j ava 2s . c o m
}

---

From source file:org.apache.bookkeeper.util.TestDiskChecker.java

/**
 * Check disk full on non exist file. in this case it should check for
 * parent file/*from   w  w w.j  a v  a 2  s .  co  m*/
 */
@Test(timeout = 30000, expected = DiskOutOfSpaceException.class)
public void testCheckDiskFullOnNonExistFile() throws IOException {
    File file = createTempDir("DiskCheck", "test");
    long usableSpace = file.getUsableSpace();
    long totalSpace = file.getTotalSpace();
    float threshold = (1f - ((float) usableSpace / (float) totalSpace)) * 0.5f;
    diskChecker.setDiskSpaceThreshold(threshold, threshold);
    assertTrue(file.delete());
    diskChecker.checkDiskFull(file);
}

---

From source file:org.apache.hadoop.yarn.server.nodemanager.TestLocalDirsHandlerService.java

@Test
public void testGetFullDirs() throws Exception {
    Configuration conf = new YarnConfiguration();

    conf.set(CommonConfigurationKeys.FS_PERMISSIONS_UMASK_KEY, "077");
    FileContext localFs = FileContext.getLocalFSFileContext(conf);

    String localDir1 = new File(testDir, "localDir1").getPath();
    String localDir2 = new File(testDir, "localDir2").getPath();
    String logDir1 = new File(testDir, "logDir1").getPath();
    String logDir2 = new File(testDir, "logDir2").getPath();
    Path localDir1Path = new Path(localDir1);
    Path logDir1Path = new Path(logDir1);
    FsPermission dirPermissions = new FsPermission((short) 0410);
    localFs.mkdir(localDir1Path, dirPermissions, true);
    localFs.mkdir(logDir1Path, dirPermissions, true);

    conf.set(YarnConfiguration.NM_LOCAL_DIRS, localDir1 + "," + localDir2);
    conf.set(YarnConfiguration.NM_LOG_DIRS, logDir1 + "," + logDir2);
    conf.setFloat(YarnConfiguration.NM_MAX_PER_DISK_UTILIZATION_PERCENTAGE, 0.0f);
    NodeManagerMetrics nm = NodeManagerMetrics.create();
    LocalDirsHandlerService dirSvc = new LocalDirsHandlerService(nm);
    dirSvc.init(conf);/*  w  ww. j  av  a  2 s  .c  o  m*/
    Assert.assertEquals(0, dirSvc.getLocalDirs().size());
    Assert.assertEquals(0, dirSvc.getLogDirs().size());
    Assert.assertEquals(1, dirSvc.getDiskFullLocalDirs().size());
    Assert.assertEquals(1, dirSvc.getDiskFullLogDirs().size());
    // check the metrics
    Assert.assertEquals(2, nm.getBadLocalDirs());
    Assert.assertEquals(2, nm.getBadLogDirs());
    Assert.assertEquals(0, nm.getGoodLocalDirsDiskUtilizationPerc());
    Assert.assertEquals(0, nm.getGoodLogDirsDiskUtilizationPerc());

    Assert.assertEquals("", dirSvc.getConfig().get(LocalDirsHandlerService.NM_GOOD_LOCAL_DIRS));
    Assert.assertEquals("", dirSvc.getConfig().get(LocalDirsHandlerService.NM_GOOD_LOG_DIRS));
    Assert.assertEquals(localDir1 + "," + localDir2, dirSvc.getConfig().get(YarnConfiguration.NM_LOCAL_DIRS));
    Assert.assertEquals(logDir1 + "," + logDir2, dirSvc.getConfig().get(YarnConfiguration.NM_LOG_DIRS));

    conf.setFloat(YarnConfiguration.NM_MAX_PER_DISK_UTILIZATION_PERCENTAGE, 100.0f);
    nm = NodeManagerMetrics.create();
    dirSvc = new LocalDirsHandlerService(nm);
    dirSvc.init(conf);
    Assert.assertEquals(1, dirSvc.getLocalDirs().size());
    Assert.assertEquals(1, dirSvc.getLogDirs().size());
    Assert.assertEquals(0, dirSvc.getDiskFullLocalDirs().size());
    Assert.assertEquals(0, dirSvc.getDiskFullLogDirs().size());
    // check the metrics
    File dir = new File(localDir1);
    int utilizationPerc = (int) ((dir.getTotalSpace() - dir.getUsableSpace()) * 100 / dir.getTotalSpace());
    Assert.assertEquals(1, nm.getBadLocalDirs());
    Assert.assertEquals(1, nm.getBadLogDirs());
    Assert.assertEquals(utilizationPerc, nm.getGoodLocalDirsDiskUtilizationPerc());
    Assert.assertEquals(utilizationPerc, nm.getGoodLogDirsDiskUtilizationPerc());

    Assert.assertEquals(localDir2, dirSvc.getConfig().get(LocalDirsHandlerService.NM_GOOD_LOCAL_DIRS));
    Assert.assertEquals(logDir2, dirSvc.getConfig().get(LocalDirsHandlerService.NM_GOOD_LOG_DIRS));
    Assert.assertEquals(localDir1 + "," + localDir2, dirSvc.getConfig().get(YarnConfiguration.NM_LOCAL_DIRS));
    Assert.assertEquals(logDir1 + "," + logDir2, dirSvc.getConfig().get(YarnConfiguration.NM_LOG_DIRS));

    FileUtils.deleteDirectory(new File(localDir1));
    FileUtils.deleteDirectory(new File(localDir2));
    FileUtils.deleteDirectory(new File(logDir1));
    FileUtils.deleteDirectory(new File(logDir2));
    dirSvc.close();
}

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From source file:fr.gael.dhus.datastore.eviction.EvictionManager.java

/**
 * Computes the total space on disk where the eviction works.
 *
 * @return the total space in byte on disk partition.
 *//*from  ww w .  j  a va2  s  .com*/
public long getTotalSpace() {
    String path = getPath();
    File fpath = new File(path);
    return fpath.getTotalSpace();
}

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From source file:org.apache.activemq.usage.PercentDiskUsageLimitTest.java

protected int getFreePercentage() {
    File storeDir = StoreUtil.findParentDirectory(adapter.getDirectory());
    return (int) (((double) storeDir.getUsableSpace() / storeDir.getTotalSpace()) * 100);
}

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From source file:org.apache.samza.monitor.TestLocalStoreMonitor.java

@Test
public void shouldDeleteInActiveLocalStoresOfTheJob() throws Exception {
    File inActiveStoreDir = new File(jobDir, "inActiveStore");
    FileUtils.forceMkdir(inActiveStoreDir);
    File inActiveTaskDir = new File(inActiveStoreDir, "test-task");
    FileUtils.forceMkdir(inActiveTaskDir);
    long inActiveTaskDirSize = inActiveTaskDir.getTotalSpace();
    localStoreMonitor.monitor();//from   ww  w . ja  v  a2 s. c o m
    assertTrue("Inactive task store directory should not exist.", !inActiveTaskDir.exists());
    assertEquals(taskStoreSize + inActiveTaskDirSize,
            localStoreMonitorMetrics.diskSpaceFreedInBytes.getCount());
    assertEquals(2, localStoreMonitorMetrics.noOfDeletedTaskPartitionStores.getCount());
    FileUtils.deleteDirectory(inActiveStoreDir);
}

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From source file:cprasmu.rascam.camera.FileSystemModel.java

public long calculateUsage() {

    File f = new File(initialPath);
    return (long) (((double) (f.getTotalSpace() - f.getFreeSpace()) / (double) f.getTotalSpace()) * 100d);

}

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