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HDFS-9282. Make data directory count and storage raw capacity related tests FsDataset-agnostic. (Tony Wu via lei) 

(cherry picked from commit 5a1a54c9f5d9a8f7585000fe33ef106e62dbb43a)
This commit is contained in:
Lei Xu 2015-11-05 10:45:46 -08:00
parent 7a2a17cb5f
commit 489c920c9a
7 changed files with 62 additions and 10 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -827,6 +827,9 @@ Release 2.8.0 - UNRELEASED
HDFS-9372. Remove dead code in DataStorage.recoverTransitionRead.
(Duo Zhang via wheat9)
HDFS-9282. Make data directory count and storage raw capacity related tests
FsDataset-agnostic. (Tony Wu via lei)
BUG FIXES
HDFS-8091: ACLStatus and XAttributes should be presented to

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/MiniDFSCluster.java
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@ -192,6 +192,8 @@ public class MiniDFSCluster {
public Builder(Configuration conf) {
this.conf = conf;
this.storagesPerDatanode =
FsDatasetTestUtils.Factory.getFactory(conf).getDefaultNumOfDataDirs();
}
/**

5
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/FsDatasetImplTestUtilsFactory.java
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@ -29,4 +29,9 @@ public final class FsDatasetImplTestUtilsFactory
public FsDatasetTestUtils newInstance(DataNode datanode) {
return new FsDatasetImplTestUtils(datanode);
}
@Override
public int getDefaultNumOfDataDirs() {
return FsDatasetImplTestUtils.DEFAULT_NUM_OF_DATA_DIRS;
}
}

19
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/FsDatasetTestUtils.java
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@ -67,6 +67,14 @@ public interface FsDatasetTestUtils {
public boolean isSimulated() {
return false;
}
/**
* Get the default number of data directories for underlying storage per
* DataNode.
*
* @return The default number of data dirs per DataNode.
*/
abstract public int getDefaultNumOfDataDirs();
}
/**
@ -213,4 +221,15 @@ public interface FsDatasetTestUtils {
* @return Replica for the block.
*/
Replica fetchReplica(ExtendedBlock block);
/**
* @return The default value of number of data dirs per DataNode in
* MiniDFSCluster.
*/
int getDefaultNumOfDataDirs();
/**
* Obtain the raw capacity of underlying storage per DataNode.
*/
long getRawCapacity() throws IOException;
}

8
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeMultipleRegistrations.java
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@ -97,7 +97,9 @@ public class TestDataNodeMultipleRegistrations {
LOG.info("vol " + i++ + ") " + e.getKey() + ": " + e.getValue());
}
// number of volumes should be 2 - [data1, data2]
assertEquals("number of volumes is wrong", 2, volInfos.size());
assertEquals("number of volumes is wrong",
cluster.getFsDatasetTestUtils(0).getDefaultNumOfDataDirs(),
volInfos.size());
for (BPOfferService bpos : dn.getAllBpOs()) {
LOG.info("BP: " + bpos);
@ -164,7 +166,9 @@ public class TestDataNodeMultipleRegistrations {
LOG.info("vol " + i++ + ") " + e.getKey() + ": " + e.getValue());
}
// number of volumes should be 2 - [data1, data2]
assertEquals("number of volumes is wrong", 2, volInfos.size());
assertEquals("number of volumes is wrong",
cluster.getFsDatasetTestUtils(0).getDefaultNumOfDataDirs(),
volInfos.size());
for (BPOfferService bpos : dn.getAllBpOs()) {
LOG.info("reg: bpid=" + "; name=" + bpos.bpRegistration + "; sid="

21
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImplTestUtils.java
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@ -24,6 +24,7 @@ import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.fs.DF;
import org.apache.hadoop.hdfs.protocol.Block;
import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
import org.apache.hadoop.hdfs.server.datanode.DataNode;
@ -57,6 +58,11 @@ public class FsDatasetImplTestUtils implements FsDatasetTestUtils {
LogFactory.getLog(FsDatasetImplTestUtils.class);
private final FsDatasetImpl dataset;
/**
* By default we assume 2 data directories (volumes) per DataNode.
*/
public static final int DEFAULT_NUM_OF_DATA_DIRS = 2;
/**
* A reference to the replica that is used to corrupt block / meta later.
*/
@ -322,4 +328,19 @@ public class FsDatasetImplTestUtils implements FsDatasetTestUtils {
public Replica fetchReplica(ExtendedBlock block) {
return dataset.fetchReplicaInfo(block.getBlockPoolId(), block.getBlockId());
}
@Override
public int getDefaultNumOfDataDirs() {
return this.DEFAULT_NUM_OF_DATA_DIRS;
}
@Override
public long getRawCapacity() throws IOException {
try (FsVolumeReferences volRefs = dataset.getFsVolumeReferences()) {
Preconditions.checkState(volRefs.size() != 0);
DF df = new DF(new File(volRefs.get(0).getBasePath()),
dataset.datanode.getConf());
return df.getCapacity();
}
}
}

10
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNamenodeCapacityReport.java
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@ -21,7 +21,6 @@ package org.apache.hadoop.hdfs.server.namenode;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
@ -29,7 +28,6 @@ import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.DF;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.DFSOutputStream;
@ -45,6 +43,7 @@ import org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor;
import org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager;
import org.apache.hadoop.hdfs.server.datanode.DataNode;
import org.apache.hadoop.hdfs.server.datanode.DataNodeTestUtils;
import org.apache.hadoop.hdfs.server.datanode.FsDatasetTestUtils;
import org.junit.Test;
@ -111,8 +110,6 @@ public class TestNamenodeCapacityReport {
configCapacity));
}
DF df = new DF(new File(cluster.getDataDirectory()), conf);
//
// Currently two data directories are created by the data node
// in the MiniDFSCluster. This results in each data directory having
@ -123,9 +120,10 @@ public class TestNamenodeCapacityReport {
// So multiply the disk capacity and reserved space by two
// for accommodating it
//
int numOfDataDirs = 2;
final FsDatasetTestUtils utils = cluster.getFsDatasetTestUtils(0);
int numOfDataDirs = utils.getDefaultNumOfDataDirs();
long diskCapacity = numOfDataDirs * df.getCapacity();
long diskCapacity = numOfDataDirs * utils.getRawCapacity();
reserved *= numOfDataDirs;
configCapacity = namesystem.getCapacityTotal();