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92 changes: 92 additions & 0 deletions
92
...java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeNetworkErrorsWithDefaultConf.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| package org.apache.hadoop.hdfs.server.datanode; | ||
|
|
||
| import org.apache.hadoop.conf.Configuration; | ||
| import org.apache.hadoop.fs.FSDataOutputStream; | ||
| import org.apache.hadoop.fs.Path; | ||
| import org.apache.hadoop.hdfs.HdfsConfiguration; | ||
| import org.apache.hadoop.hdfs.MiniDFSCluster; | ||
| import org.apache.hadoop.io.IOUtils; | ||
| import org.apache.hadoop.metrics2.MetricsRecordBuilder; | ||
| import org.apache.hadoop.test.GenericTestUtils; | ||
| import org.apache.hadoop.util.Lists; | ||
| import org.junit.Assert; | ||
| import org.junit.Test; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
| import javax.management.MBeanServer; | ||
| import javax.management.ObjectName; | ||
| import java.io.Closeable; | ||
| import java.io.IOException; | ||
| import java.lang.management.ManagementFactory; | ||
| import java.util.List; | ||
| import java.util.function.Supplier; | ||
|
|
||
| import static org.apache.hadoop.test.MetricsAsserts.getLongCounter; | ||
| import static org.apache.hadoop.test.MetricsAsserts.getMetrics; | ||
|
|
||
| public class TestDataNodeNetworkErrorsWithDefaultConf { | ||
| private static final Logger LOG = | ||
| LoggerFactory.getLogger(TestDataNodeNetworkErrorsWithDefaultConf.class); | ||
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| @Test(timeout = 60000) | ||
| public void testDatanodeNetworkErrorsMetricDefaultConf() throws Exception { | ||
| final Configuration conf = new HdfsConfiguration(); | ||
| final MiniDFSCluster cluster = | ||
| new MiniDFSCluster.Builder(conf).numDataNodes(6).build(); | ||
| cluster.waitActive(); | ||
| final List<FSDataOutputStream> streams = Lists.newArrayList(); | ||
| DataNodeFaultInjector oldInjector = DataNodeFaultInjector.get(); | ||
| DataNodeFaultInjector newInjector = new DataNodeFaultInjector() { | ||
| public void incrementDatanodeNetworkErrors(DataXceiver dataXceiver) { | ||
| dataXceiver.incrDatanodeNetworkErrorsWithPort(); | ||
| } | ||
| }; | ||
| DataNodeFaultInjector.set(newInjector); | ||
| try { | ||
| GenericTestUtils.waitFor(new Supplier<Boolean>() { | ||
| @Override | ||
| public Boolean get() { | ||
| try { | ||
| for (int i = 0; i < 100; i++) { | ||
| final Path path = new Path("/test" + i); | ||
| final FSDataOutputStream out = | ||
| cluster.getFileSystem().create(path, (short) 3); | ||
| streams.add(out); | ||
| out.writeBytes("old gs data\n"); | ||
| out.hflush(); | ||
| } | ||
| } catch (IOException e) { | ||
| e.printStackTrace(); | ||
| } | ||
|
|
||
| final MetricsRecordBuilder dnMetrics = | ||
| getMetrics(cluster.getDataNodes().get(0).getMetrics().name()); | ||
| long datanodeNetworkErrors = getLongCounter("DatanodeNetworkErrors", dnMetrics); | ||
| return datanodeNetworkErrors > 10; | ||
| } | ||
| }, 1000, 60000); | ||
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|
||
| final MBeanServer mbs = ManagementFactory.getPlatformMBeanServer(); | ||
| final ObjectName mxbeanName = | ||
| new ObjectName("Hadoop:service=DataNode,name=DataNodeInfo"); | ||
| final Object dnc = | ||
| mbs.getAttribute(mxbeanName, "DatanodeNetworkCounts"); | ||
| // Compute number of DatanodeNetworkCounts. | ||
| final String allDnc = dnc.toString(); | ||
| int oldStringLength = allDnc.length(); | ||
| String keyword = "key=networkErrors, value"; | ||
| int newStringLength = allDnc.replace(keyword, "").length(); | ||
| int networkErrorsCount = (oldStringLength - newStringLength) / keyword.length(); | ||
| final MetricsRecordBuilder dnMetrics = | ||
| getMetrics(cluster.getDataNodes().get(0).getMetrics().name()); | ||
| long datanodeNetworkErrors = getLongCounter("DatanodeNetworkErrors", dnMetrics); | ||
| Assert.assertEquals(datanodeNetworkErrors, networkErrorsCount); | ||
| } finally { | ||
| IOUtils.cleanupWithLogger(LOG, streams.toArray(new Closeable[0])); | ||
| if (cluster != null) { | ||
| cluster.shutdown(); | ||
| } | ||
| DataNodeFaultInjector.set(oldInjector); | ||
| } | ||
| } | ||
| } |
91 changes: 91 additions & 0 deletions
91
...st/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeNetworkErrorsWithTopNConf.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| package org.apache.hadoop.hdfs.server.datanode; | ||
|
|
||
| import org.apache.hadoop.conf.Configuration; | ||
| import org.apache.hadoop.fs.FSDataOutputStream; | ||
| import org.apache.hadoop.fs.Path; | ||
| import org.apache.hadoop.hdfs.DFSConfigKeys; | ||
| import org.apache.hadoop.hdfs.HdfsConfiguration; | ||
| import org.apache.hadoop.hdfs.MiniDFSCluster; | ||
| import org.apache.hadoop.io.IOUtils; | ||
| import org.apache.hadoop.metrics2.MetricsRecordBuilder; | ||
| import org.apache.hadoop.test.GenericTestUtils; | ||
| import org.apache.hadoop.util.Lists; | ||
| import org.junit.Assert; | ||
| import org.junit.Test; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| import javax.management.MBeanServer; | ||
| import javax.management.ObjectName; | ||
| import java.io.Closeable; | ||
| import java.io.IOException; | ||
| import java.lang.management.ManagementFactory; | ||
| import java.util.List; | ||
| import java.util.function.Supplier; | ||
|
|
||
| import static org.apache.hadoop.test.MetricsAsserts.getLongCounter; | ||
| import static org.apache.hadoop.test.MetricsAsserts.getMetrics; | ||
|
|
||
| public class TestDataNodeNetworkErrorsWithTopNConf { | ||
| private static final Logger LOG = | ||
| LoggerFactory.getLogger(TestDataNodeNetworkErrorsWithTopNConf.class); | ||
|
|
||
| @Test(timeout=60000) | ||
| public void testDatanodeNetworkErrorsMetricTopN() throws Exception { | ||
| final Configuration conf = new HdfsConfiguration(); | ||
| conf.setInt(DFSConfigKeys.DFS_DATANODE_NETWORKERRORS_DISPLAY_TOPCOUNT, 2); | ||
| final MiniDFSCluster cluster = | ||
| new MiniDFSCluster.Builder(conf).numDataNodes(6).build(); | ||
| cluster.waitActive(); | ||
| final List<FSDataOutputStream> streams = Lists.newArrayList(); | ||
| DataNodeFaultInjector oldInjector = DataNodeFaultInjector.get(); | ||
| DataNodeFaultInjector newInjector = new DataNodeFaultInjector() { | ||
| public void incrementDatanodeNetworkErrors(DataXceiver dataXceiver) { | ||
| dataXceiver.incrDatanodeNetworkErrorsWithPort(); | ||
| } | ||
| }; | ||
| DataNodeFaultInjector.set(newInjector); | ||
| try { | ||
| GenericTestUtils.waitFor(new Supplier<Boolean>() { | ||
| @Override | ||
| public Boolean get() { | ||
| try { | ||
| for (int i = 0; i < 100; i++) { | ||
| final Path path = new Path("/test" + i); | ||
| final FSDataOutputStream out = | ||
| cluster.getFileSystem().create(path, (short) 3); | ||
| streams.add(out); | ||
| out.writeBytes("old gs data\n"); | ||
| out.hflush(); | ||
| } | ||
| } catch (IOException e) { | ||
| e.printStackTrace(); | ||
| } | ||
|
|
||
| final MetricsRecordBuilder dnMetrics = | ||
| getMetrics(cluster.getDataNodes().get(0).getMetrics().name()); | ||
| long datanodeNetworkErrors = getLongCounter("DatanodeNetworkErrors", dnMetrics); | ||
| return datanodeNetworkErrors > 10; | ||
| } | ||
| }, 1000, 60000); | ||
| final MBeanServer mbs = ManagementFactory.getPlatformMBeanServer(); | ||
| final ObjectName mxbeanName = | ||
| new ObjectName("Hadoop:service=DataNode,name=DataNodeInfo"); | ||
| final Object dnc = | ||
| mbs.getAttribute(mxbeanName, "DatanodeNetworkCounts"); | ||
| // Compute number of DatanodeNetworkCounts. | ||
| final String allDnc = dnc.toString(); | ||
| int oldStringLength = allDnc.length(); | ||
| String keyword = "key=networkErrors, value"; | ||
| int newStringLength = allDnc.replace(keyword, "").length(); | ||
| int networkErrorsCount = (oldStringLength - newStringLength) / keyword.length(); | ||
| Assert.assertEquals(2, networkErrorsCount); | ||
| } finally { | ||
| IOUtils.cleanupWithLogger(LOG, streams.toArray(new Closeable[0])); | ||
| if (cluster != null) { | ||
| cluster.shutdown(); | ||
| } | ||
| DataNodeFaultInjector.set(oldInjector); | ||
| } | ||
| } | ||
| } |