List of usage examples for java.io File getUsableSpace
public long getUsableSpace()
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 w w w. jav a 2 s . 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/*www . ja v a 2 s.c o 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:pl.psnc.synat.dsa.fs.FSDataStorageClient.java
@Override public void updateFreeSpace() { File file = new File(root); freeSpace = file.getUsableSpace(); }
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); }
From source file:com.android.tradefed.util.FileUtil.java
private static void verifyDiskSpace(File file) { // Based on empirical testing File.getUsableSpace is a low cost // operation (~ 100 us for // local disk, ~ 100 ms for network disk). Therefore call it every time // tmp file is // created/*from ww w.j ava 2s.co m*/ if (file.getUsableSpace() < MIN_DISK_SPACE) { throw new LowDiskSpaceException(String.format("Available space on %s is less than %s MB", file.getAbsolutePath(), MIN_DISK_SPACE_MB)); } }
From source file:fr.gael.dhus.datastore.eviction.EvictionManager.java
/** * Compute space disk usage on partition where the eviction works. * * @return space disk usage in bytes on disk partition. *//*www. j a v a2 s . com*/ public long getUsableSpace() { String path = getPath(); File fpath = new File(path); return fpath.getUsableSpace(); }
From source file:dk.netarkivet.common.utils.DefaultFreeSpaceProvider.java
/** * Returns the number of bytes free on the file system that the given file * resides on. Will return 0 on non-existing files. * * @param f a given file//from w w w.j a v a2 s . co m * @return the number of bytes free on the file system where file f resides. * 0 if the file cannot be found. */ public long getBytesFree(File f) { ArgumentNotValid.checkNotNull(f, "File f"); if (!f.exists()) { log.warn("The file '" + f.getAbsolutePath() + "' does not exist. The value 0 returned."); return 0; } return f.getUsableSpace(); }
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 w w .java 2 s.co 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(); }
From source file:org.apache.activemq.usage.PeriodicDiskUsageLimitTest.java
protected int getFreePercentage(File directory) { File storeDir = StoreUtil.findParentDirectory(directory); return (int) (((double) storeDir.getUsableSpace() / storeDir.getTotalSpace()) * 100); }
From source file:com.ikon.servlet.admin.StatsGraphServlet.java
/** * Generate disk statistics/* w w w . jav a 2s .co m*/ */ public JFreeChart diskStats() throws IOException, ServletException { String repHome = null; // Allow absolute repository path if ((new File(Config.REPOSITORY_HOME)).isAbsolute()) { repHome = Config.REPOSITORY_HOME; } else { repHome = Config.HOME_DIR + File.separator + Config.REPOSITORY_HOME; } File df = new File(repHome); long total = df.getTotalSpace(); long usable = df.getUsableSpace(); long used = total - usable; String title = "Disk: " + FormatUtil.formatSize(total); log.debug("Total space: {}", FormatUtil.formatSize(total)); log.debug("Usable space: {}", FormatUtil.formatSize(usable)); log.debug("Used space: {}", FormatUtil.formatSize(used)); DefaultPieDataset dataset = new DefaultPieDataset(); dataset.setValue("Available (" + FormatUtil.formatSize(usable) + ")", usable * 100 / total); dataset.setValue("Used (" + FormatUtil.formatSize(used) + ")", used * 100 / total); return ChartFactory.createPieChart(title, dataset, true, false, false); }