本文整理汇总了Java中org.apache.hadoop.hdfs.BlockReaderFactory.setFailureInjectorForTesting方法的典型用法代码示例。如果您正苦于以下问题：Java BlockReaderFactory.setFailureInjectorForTesting方法的具体用法？Java BlockReaderFactory.setFailureInjectorForTesting怎么用？Java BlockReaderFactory.setFailureInjectorForTesting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.BlockReaderFactory的用法示例。
在下文中一共展示了BlockReaderFactory.setFailureInjectorForTesting方法的2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: testDataXceiverCleansUpSlotsOnFailure
import org.apache.hadoop.hdfs.BlockReaderFactory; //导入方法依赖的package包/类
@Test(timeout=60000)
public void testDataXceiverCleansUpSlotsOnFailure() throws Exception {
BlockReaderTestUtil.enableShortCircuitShmTracing();
TemporarySocketDirectory sockDir = new TemporarySocketDirectory();
Configuration conf = createShortCircuitConf(
"testDataXceiverCleansUpSlotsOnFailure", sockDir);
conf.setLong(
HdfsClientConfigKeys.Read.ShortCircuit.STREAMS_CACHE_EXPIRY_MS_KEY,
1000000000L);
MiniDFSCluster cluster =
new MiniDFSCluster.Builder(conf).numDataNodes(1).build();
cluster.waitActive();
DistributedFileSystem fs = cluster.getFileSystem();
final Path TEST_PATH1 = new Path("/test_file1");
final Path TEST_PATH2 = new Path("/test_file2");
final int TEST_FILE_LEN = 4096;
final int SEED = 0xFADE1;
DFSTestUtil.createFile(fs, TEST_PATH1, TEST_FILE_LEN,
(short)1, SEED);
DFSTestUtil.createFile(fs, TEST_PATH2, TEST_FILE_LEN,
(short)1, SEED);
// The first read should allocate one shared memory segment and slot.
DFSTestUtil.readFileBuffer(fs, TEST_PATH1);
// The second read should fail, and we should only have 1 segment and 1 slot
// left.
BlockReaderFactory.setFailureInjectorForTesting(
new TestCleanupFailureInjector());
try {
DFSTestUtil.readFileBuffer(fs, TEST_PATH2);
} catch (Throwable t) {
GenericTestUtils.assertExceptionContains("TCP reads were disabled for " +
"testing, but we failed to do a non-TCP read.", t);
}
checkNumberOfSegmentsAndSlots(1, 1,
cluster.getDataNodes().get(0).getShortCircuitRegistry());
cluster.shutdown();
sockDir.close();
}
示例2: testPreReceiptVerificationDfsClientCanDoScr
import org.apache.hadoop.hdfs.BlockReaderFactory; //导入方法依赖的package包/类
@Test(timeout=60000)
public void testPreReceiptVerificationDfsClientCanDoScr() throws Exception {
BlockReaderTestUtil.enableShortCircuitShmTracing();
TemporarySocketDirectory sockDir = new TemporarySocketDirectory();
Configuration conf = createShortCircuitConf(
"testPreReceiptVerificationDfsClientCanDoScr", sockDir);
conf.setLong(
HdfsClientConfigKeys.Read.ShortCircuit.STREAMS_CACHE_EXPIRY_MS_KEY,
1000000000L);
MiniDFSCluster cluster =
new MiniDFSCluster.Builder(conf).numDataNodes(1).build();
cluster.waitActive();
DistributedFileSystem fs = cluster.getFileSystem();
BlockReaderFactory.setFailureInjectorForTesting(
new TestPreReceiptVerificationFailureInjector());
final Path TEST_PATH1 = new Path("/test_file1");
DFSTestUtil.createFile(fs, TEST_PATH1, 4096, (short)1, 0xFADE2);
final Path TEST_PATH2 = new Path("/test_file2");
DFSTestUtil.createFile(fs, TEST_PATH2, 4096, (short)1, 0xFADE2);
DFSTestUtil.readFileBuffer(fs, TEST_PATH1);
DFSTestUtil.readFileBuffer(fs, TEST_PATH2);
ShortCircuitRegistry registry =
cluster.getDataNodes().get(0).getShortCircuitRegistry();
registry.visit(new ShortCircuitRegistry.Visitor() {
@Override
public void accept(HashMap<ShmId, RegisteredShm> segments,
HashMultimap<ExtendedBlockId, Slot> slots) {
Assert.assertEquals(1, segments.size());
Assert.assertEquals(2, slots.size());
}
});
cluster.shutdown();
sockDir.close();
}