本文整理汇总了Java中org.apache.hadoop.hdfs.server.namenode.NameNodeResourceChecker类的典型用法代码示例。如果您正苦于以下问题：Java NameNodeResourceChecker类的具体用法？Java NameNodeResourceChecker怎么用？Java NameNodeResourceChecker使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
NameNodeResourceChecker类属于org.apache.hadoop.hdfs.server.namenode包，在下文中一共展示了NameNodeResourceChecker类的3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: doNNHealthCheckTest
import org.apache.hadoop.hdfs.server.namenode.NameNodeResourceChecker; //导入依赖的package包/类
private void doNNHealthCheckTest() throws IOException {
NameNodeResourceChecker mockResourceChecker = Mockito.mock(
NameNodeResourceChecker.class);
Mockito.doReturn(true).when(mockResourceChecker).hasAvailableDiskSpace();
cluster.getNameNode(0).getNamesystem()
.setNNResourceChecker(mockResourceChecker);
NNHAServiceTarget haTarget = new NNHAServiceTarget(conf,
DFSUtil.getNamenodeNameServiceId(conf), "nn1");
HAServiceProtocol rpc = haTarget.getHealthMonitorProxy(conf, conf.getInt(
HA_HM_RPC_TIMEOUT_KEY, HA_HM_RPC_TIMEOUT_DEFAULT));
// Should not throw error, which indicates healthy.
rpc.monitorHealth();
Mockito.doReturn(false).when(mockResourceChecker).hasAvailableDiskSpace();
try {
// Should throw error - NN is unhealthy.
rpc.monitorHealth();
fail("Should not have succeeded in calling monitorHealth");
} catch (HealthCheckFailedException hcfe) {
GenericTestUtils.assertExceptionContains(
"The NameNode has no resources available", hcfe);
} catch (RemoteException re) {
GenericTestUtils.assertExceptionContains(
"The NameNode has no resources available",
re.unwrapRemoteException(HealthCheckFailedException.class));
}
}
示例2: testThreadDumpCaptureAfterNNStateChange
import org.apache.hadoop.hdfs.server.namenode.NameNodeResourceChecker; //导入依赖的package包/类
/**
* Test that thread dump is captured after NN state changes.
*/
@Test(timeout=60000)
public void testThreadDumpCaptureAfterNNStateChange() throws Exception {
NameNodeResourceChecker mockResourceChecker = Mockito.mock(
NameNodeResourceChecker.class);
Mockito.doReturn(false).when(mockResourceChecker).hasAvailableDiskSpace();
cluster.getNameNode(0).getNamesystem()
.setNNResourceChecker(mockResourceChecker);
waitForHAState(0, HAServiceState.STANDBY);
while (!thr1.zkfc.isThreadDumpCaptured()) {
Thread.sleep(1000);
}
}
示例3: testNNHealthCheck
import org.apache.hadoop.hdfs.server.namenode.NameNodeResourceChecker; //导入依赖的package包/类
@Test
public void testNNHealthCheck() throws IOException {
MiniDFSCluster cluster = null;
try {
Configuration conf = new Configuration();
cluster = new MiniDFSCluster.Builder(conf)
.numDataNodes(0)
.nnTopology(MiniDFSNNTopology.simpleHATopology())
.build();
NameNodeResourceChecker mockResourceChecker = Mockito.mock(
NameNodeResourceChecker.class);
Mockito.doReturn(true).when(mockResourceChecker).hasAvailableDiskSpace();
cluster.getNameNode(0).getNamesystem()
.setNNResourceChecker(mockResourceChecker);
NamenodeProtocols rpc = cluster.getNameNodeRpc(0);
// Should not throw error, which indicates healthy.
rpc.monitorHealth();
Mockito.doReturn(false).when(mockResourceChecker).hasAvailableDiskSpace();
try {
// Should throw error - NN is unhealthy.
rpc.monitorHealth();
fail("Should not have succeeded in calling monitorHealth");
} catch (HealthCheckFailedException hcfe) {
GenericTestUtils.assertExceptionContains(
"The NameNode has no resources available", hcfe);
}
} finally {
if (cluster != null) {
cluster.shutdown();
}
}
}