本文整理汇总了Java中org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi.getVolumes方法的典型用法代码示例。如果您正苦于以下问题：Java FsDatasetSpi.getVolumes方法的具体用法？Java FsDatasetSpi.getVolumes怎么用？Java FsDatasetSpi.getVolumes使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi的用法示例。
在下文中一共展示了FsDatasetSpi.getVolumes方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: isValid
import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi; //导入方法依赖的package包/类
/** Is the given volume still valid in the dataset? */
private static boolean isValid(final FsDatasetSpi<?> dataset,
final FsVolumeSpi volume) {
for (FsVolumeSpi vol : dataset.getVolumes()) {
if (vol == volume) {
return true;
}
}
return false;
}
示例2: isValid
import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi; //导入方法依赖的package包/类
/**
* Is the given volume still valid in the dataset?
*/
private static boolean isValid(final FsDatasetSpi<?> dataset,
final FsVolumeSpi volume) {
for (FsVolumeSpi vol : dataset.getVolumes()) {
if (vol == volume) {
return true;
}
}
return false;
}
示例3: testAddVolumeFailures
import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi; //导入方法依赖的package包/类
@Test
public void testAddVolumeFailures() throws IOException {
startDFSCluster(1, 1);
final String dataDir = cluster.getDataDirectory();
DataNode dn = cluster.getDataNodes().get(0);
List<String> newDirs = Lists.newArrayList();
final int NUM_NEW_DIRS = 4;
for (int i = 0; i < NUM_NEW_DIRS; i++) {
File newVolume = new File(dataDir, "new_vol" + i);
newDirs.add(newVolume.toString());
if (i % 2 == 0) {
// Make addVolume() fail.
newVolume.createNewFile();
}
}
String newValue = dn.getConf().get(DFS_DATANODE_DATA_DIR_KEY) + "," +
Joiner.on(",").join(newDirs);
try {
dn.reconfigurePropertyImpl(DFS_DATANODE_DATA_DIR_KEY, newValue);
fail("Expect to throw IOException.");
} catch (ReconfigurationException e) {
String errorMessage = e.getCause().getMessage();
String messages[] = errorMessage.split("\\r?\\n");
assertEquals(2, messages.length);
assertThat(messages[0], containsString("new_vol0"));
assertThat(messages[1], containsString("new_vol2"));
}
// Make sure that vol0 and vol2's metadata are not left in memory.
FsDatasetSpi<?> dataset = dn.getFSDataset();
for (FsVolumeSpi volume : dataset.getVolumes()) {
assertThat(volume.getBasePath(), is(not(anyOf(
is(newDirs.get(0)), is(newDirs.get(2))))));
}
DataStorage storage = dn.getStorage();
for (int i = 0; i < storage.getNumStorageDirs(); i++) {
Storage.StorageDirectory sd = storage.getStorageDir(i);
assertThat(sd.getRoot().toString(),
is(not(anyOf(is(newDirs.get(0)), is(newDirs.get(2))))));
}
// The newly effective conf does not have vol0 and vol2.
String[] effectiveVolumes =
dn.getConf().get(DFS_DATANODE_DATA_DIR_KEY).split(",");
assertEquals(4, effectiveVolumes.length);
for (String ev : effectiveVolumes) {
assertThat(StorageLocation.parse(ev).getFile().getCanonicalPath(),
is(not(anyOf(is(newDirs.get(0)), is(newDirs.get(2))))));
}
}
示例4: testAddVolumeFailures
import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi; //导入方法依赖的package包/类
@Test
public void testAddVolumeFailures() throws IOException {
startDFSCluster(1, 1);
final String dataDir = cluster.getDataDirectory();
DataNode dn = cluster.getDataNodes().get(0);
List<String> newDirs = Lists.newArrayList();
final int NUM_NEW_DIRS = 4;
for (int i = 0; i < NUM_NEW_DIRS; i++) {
File newVolume = new File(dataDir, "new_vol" + i);
newDirs.add(newVolume.toString());
if (i % 2 == 0) {
// Make addVolume() fail.
newVolume.createNewFile();
}
}
String newValue = dn.getConf().get(DFS_DATANODE_DATA_DIR_KEY) + "," +
Joiner.on(",").join(newDirs);
try {
dn.reconfigurePropertyImpl(DFS_DATANODE_DATA_DIR_KEY, newValue);
fail("Expect to throw IOException.");
} catch (ReconfigurationException e) {
String errorMessage = e.getCause().getMessage();
String messages[] = errorMessage.split("\\r?\\n");
assertEquals(2, messages.length);
assertThat(messages[0], containsString("new_vol0"));
assertThat(messages[1], containsString("new_vol2"));
}
// Make sure that vol0 and vol2's metadata are not left in memory.
FsDatasetSpi<?> dataset = dn.getFSDataset();
for (FsVolumeSpi volume : dataset.getVolumes()) {
assertThat(volume.getBasePath(), is(not(anyOf(
is(newDirs.get(0)), is(newDirs.get(2))))));
}
DataStorage storage = dn.getStorage();
for (int i = 0; i < storage.getNumStorageDirs(); i++) {
Storage.StorageDirectory sd = storage.getStorageDir(i);
assertThat(sd.getRoot().toString(),
is(not(anyOf(is(newDirs.get(0)), is(newDirs.get(2))))));
}
// The newly effective conf does not have vol0 and vol2.
String[] effectiveVolumes =
dn.getConf().get(DFS_DATANODE_DATA_DIR_KEY).split(",");
assertEquals(4, effectiveVolumes.length);
for (String ev : effectiveVolumes) {
assertThat(new File(ev).getCanonicalPath(),
is(not(anyOf(is(newDirs.get(0)), is(newDirs.get(2))))));
}
}