Author: arp
Date: Tue Oct 22 17:24:52 2013
New Revision: 1534707
URL: http://svn.apache.org/r1534707
Log:
Merging r1534279 through r1534706 from trunk to branch HDFS-2832
Added:
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementStatus.java
- copied unchanged from r1534706,
hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementStatus.java
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementStatusDefault.java
- copied unchanged from r1534706,
hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementStatusDefault.java
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/explorer-block-info.dust.html
- copied unchanged from r1534706,
hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/explorer-block-info.dust.html
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/explorer.dust.html
- copied unchanged from r1534706,
hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/explorer.dust.html
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/explorer.html
- copied unchanged from r1534706,
hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/explorer.html
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/explorer.js
- copied unchanged from r1534706,
hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/explorer.js
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/site/apt/HdfsNfsGateway.apt.vm
- copied unchanged from r1534706,
hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/site/apt/HdfsNfsGateway.apt.vm
Modified:
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/ (props
changed)
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/pom.xml
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/
(props changed)
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicy.java
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyDefault.java
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/web/resources/DatanodeWebHdfsMethods.java
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NamenodeFsck.java
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/
(props changed)
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.dust.html
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFsck.java
Propchange: hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/
------------------------------------------------------------------------------
Merged /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs:r1534279-1534706
Modified:
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
URL:
http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt?rev=1534707&r1=1534706&r2=1534707&view=diff
==============================================================================
---
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
(original)
+++
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
Tue Oct 22 17:24:52 2013
@@ -261,6 +261,9 @@ Release 2.3.0 - UNRELEASED
HDFS-5379. Update links to datanode information in dfshealth.html. (Haohui
Mai via jing9)
+ HDFS-5382. Implement the UI of browsing filesystems in HTML 5 page. (Haohui
+ Mai via jing9)
+
IMPROVEMENTS
HDFS-5267. Remove volatile from LightWeightHashSet. (Junping Du via llu)
@@ -329,6 +332,9 @@ Release 2.3.0 - UNRELEASED
HDFS-4511. Cover package org.apache.hadoop.hdfs.tools with unit test
(Andrey Klochkov via jeagles)
+ HDFS-4885. Improve the verifyBlockPlacement() API in BlockPlacementPolicy.
+ (Junping Du via szetszwo)
+
OPTIMIZATIONS
HDFS-5239. Allow FSNamesystem lock fairness to be configurable (daryn)
@@ -369,6 +375,9 @@ Release 2.3.0 - UNRELEASED
HDFS-5336. DataNode should not output 'StartupProgress' metrics.
(Akira Ajisaka via cnauroth)
+ HDFS-5400. DFS_CLIENT_MMAP_CACHE_THREAD_RUNS_PER_TIMEOUT constant is set
+ to the wrong value. (Colin Patrick McCabe)
+
Release 2.2.1 - UNRELEASED
INCOMPATIBLE CHANGES
@@ -419,6 +428,8 @@ Release 2.2.1 - UNRELEASED
and range in error message. (Kousuke Saruta via suresh)
HDFS-5365. Fix libhdfs compile error on FreeBSD9. (Radim Kolar via
cnauroth)
+
+ HDFS-5347. Add HDFS NFS user guide. (brandonli)
Release 2.2.0 - 2013-10-13
Modified:
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/pom.xml
URL:
http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/pom.xml?rev=1534707&r1=1534706&r2=1534707&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/pom.xml
(original)
+++ hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/pom.xml
Tue Oct 22 17:24:52 2013
@@ -550,6 +550,8 @@ http://maven.apache.org/xsd/maven-4.0.0.
<exclude>src/main/webapps/static/dust-full-2.0.0.min.js</exclude>
<exclude>src/main/webapps/static/dust-helpers-1.1.1.min.js</exclude>
<exclude>src/main/webapps/hdfs/dfshealth.dust.html</exclude>
+
<exclude>src/main/webapps/hdfs/explorer-block-info.dust.html</exclude>
+ <exclude>src/main/webapps/hdfs/explorer.dust.html</exclude>
</excludes>
</configuration>
</plugin>
Propchange:
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/
------------------------------------------------------------------------------
Merged
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java:r1534279-1534706
Modified:
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
URL:
http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java?rev=1534707&r1=1534706&r2=1534707&view=diff
==============================================================================
---
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
(original)
+++
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
Tue Oct 22 17:24:52 2013
@@ -383,7 +383,7 @@ public class DFSConfigKeys extends Commo
public static final int DFS_CLIENT_MMAP_CACHE_SIZE_DEFAULT = 1024;
public static final String DFS_CLIENT_MMAP_CACHE_TIMEOUT_MS =
"dfs.client.mmap.cache.timeout.ms";
public static final long DFS_CLIENT_MMAP_CACHE_TIMEOUT_MS_DEFAULT = 15 * 60
* 1000;
- public static final String DFS_CLIENT_MMAP_CACHE_THREAD_RUNS_PER_TIMEOUT =
"dfs.client.mmap.cache.timeout.ms";
+ public static final String DFS_CLIENT_MMAP_CACHE_THREAD_RUNS_PER_TIMEOUT =
"dfs.client.mmap.cache.thread.runs.per.timeout";
public static final int
DFS_CLIENT_MMAP_CACHE_THREAD_RUNS_PER_TIMEOUT_DEFAULT = 4;
// property for fsimage compression
Modified:
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicy.java
URL:
http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicy.java?rev=1534707&r1=1534706&r2=1534707&view=diff
==============================================================================
---
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicy.java
(original)
+++
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicy.java
Tue Oct 22 17:24:52 2013
@@ -100,18 +100,17 @@ public abstract class BlockPlacementPoli
}
/**
- * Verify that the block is replicated on at least minRacks different racks
- * if there is more than minRacks rack in the system.
+ * Verify if the block's placement meets requirement of placement policy,
+ * i.e. replicas are placed on no less than minRacks racks in the system.
*
* @param srcPath the full pathname of the file to be verified
* @param lBlk block with locations
- * @param minRacks number of racks the block should be replicated to
- * @return the difference between the required and the actual number of racks
- * the block is replicated to.
- */
- abstract public int verifyBlockPlacement(String srcPath,
- LocatedBlock lBlk,
- int minRacks);
+ * @param numOfReplicas replica number of file to be verified
+ * @return the result of verification
+ */
+ abstract public BlockPlacementStatus verifyBlockPlacement(String srcPath,
+ LocatedBlock lBlk,
+ int numOfReplicas);
/**
* Decide whether deleting the specified replica of the block still makes
* the block conform to the configured block placement policy.
Modified:
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyDefault.java
URL:
http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyDefault.java?rev=1534707&r1=1534706&r2=1534707&view=diff
==============================================================================
---
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyDefault.java
(original)
+++
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyDefault.java
Tue Oct 22 17:24:52 2013
@@ -698,22 +698,22 @@ public class BlockPlacementPolicyDefault
}
@Override
- public int verifyBlockPlacement(String srcPath,
- LocatedBlock lBlk,
- int minRacks) {
+ public BlockPlacementStatus verifyBlockPlacement(String srcPath,
+ LocatedBlock lBlk, int numberOfReplicas) {
DatanodeInfo[] locs = lBlk.getLocations();
if (locs == null)
locs = DatanodeDescriptor.EMPTY_ARRAY;
int numRacks = clusterMap.getNumOfRacks();
if(numRacks <= 1) // only one rack
- return 0;
- minRacks = Math.min(minRacks, numRacks);
+ return new BlockPlacementStatusDefault(
+ Math.min(numRacks, numberOfReplicas), numRacks);
+ int minRacks = Math.min(2, numberOfReplicas);
// 1. Check that all locations are different.
// 2. Count locations on different racks.
Set<String> racks = new TreeSet<String>();
for (DatanodeInfo dn : locs)
racks.add(dn.getNetworkLocation());
- return minRacks - racks.size();
+ return new BlockPlacementStatusDefault(racks.size(), minRacks);
}
@Override
Modified:
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/web/resources/DatanodeWebHdfsMethods.java
URL:
http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/web/resources/DatanodeWebHdfsMethods.java?rev=1534707&r1=1534706&r2=1534707&view=diff
==============================================================================
---
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/web/resources/DatanodeWebHdfsMethods.java
(original)
+++
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/web/resources/DatanodeWebHdfsMethods.java
Tue Oct 22 17:24:52 2013
@@ -413,8 +413,15 @@ public class DatanodeWebHdfsMethods {
final long n = length.getValue() != null ?
Math.min(length.getValue(), in.getVisibleLength() - offset.getValue())
:
in.getVisibleLength() - offset.getValue();
- return Response.ok(new OpenEntity(in, n, dfsclient)).type(
- MediaType.APPLICATION_OCTET_STREAM).build();
+
+ /**
+ * Allow the Web UI to perform an AJAX request to get the data.
+ */
+ return Response.ok(new OpenEntity(in, n, dfsclient))
+ .type(MediaType.APPLICATION_OCTET_STREAM)
+ .header("Access-Control-Allow-Methods", "GET")
+ .header("Access-Control-Allow-Origin", "*")
+ .build();
}
case GETFILECHECKSUM:
{
Modified:
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NamenodeFsck.java
URL:
http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NamenodeFsck.java?rev=1534707&r1=1534706&r2=1534707&view=diff
==============================================================================
---
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NamenodeFsck.java
(original)
+++
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NamenodeFsck.java
Tue Oct 22 17:24:52 2013
@@ -50,6 +50,7 @@ import org.apache.hadoop.hdfs.protocol.H
import org.apache.hadoop.hdfs.protocol.LocatedBlock;
import org.apache.hadoop.hdfs.protocol.LocatedBlocks;
import org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicy;
+import org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementStatus;
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants;
import org.apache.hadoop.hdfs.server.datanode.CachingStrategy;
import org.apache.hadoop.net.NetUtils;
@@ -374,9 +375,10 @@ public class NamenodeFsck {
locs.length + " replica(s).");
}
// verify block placement policy
- int missingRacks = BlockPlacementPolicy.getInstance(conf, null,
networktopology).
- verifyBlockPlacement(path, lBlk,
Math.min(2,targetFileReplication));
- if (missingRacks > 0) {
+ BlockPlacementStatus blockPlacementStatus =
+ BlockPlacementPolicy.getInstance(conf, null, networktopology).
+ verifyBlockPlacement(path, lBlk, targetFileReplication);
+ if (!blockPlacementStatus.isPlacementPolicySatisfied()) {
res.numMisReplicatedBlocks++;
misReplicatedPerFile++;
if (!showFiles) {
@@ -385,9 +387,7 @@ public class NamenodeFsck {
out.print(path + ": ");
}
out.println(" Replica placement policy is violated for " +
- block +
- ". Block should be additionally replicated on " +
- missingRacks + " more rack(s).");
+ block + ". " + blockPlacementStatus.getErrorDescription());
}
report.append(i + ". " + blkName + " len=" + block.getNumBytes());
if (locs.length == 0) {
Propchange:
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/
------------------------------------------------------------------------------
Merged
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs:r1533208-1534706
Modified:
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.dust.html
URL:
http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.dust.html?rev=1534707&r1=1534706&r2=1534707&view=diff
==============================================================================
---
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.dust.html
(original)
+++
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.dust.html
Tue Oct 22 17:24:52 2013
@@ -47,7 +47,7 @@
</div>
</div>
-<a id="browse-dir-first" style="cursor:pointer">Browse the filesystem</a> <a
href="/logs/">NameNode Logs</a>
+<a href="explorer.html">Browse the filesystem</a> <a href="/logs/">NameNode
Logs</a>
<hr/>
@@ -56,7 +56,7 @@
<div class="panel-body">
<p>
- Security is
{#nnstat}{#SecurityModeEnabled}on{:else}off{/SecurityModeEnabled}{/nnstat}.</p>
+ Security is
{#nnstat}{#SecurityEnabled}on{:else}off{/SecurityEnabled}{/nnstat}.</p>
<p>{#nn}{#Safemode}{.}{:else}Safemode is off.{/Safemode}{/nn}</p>
<p>
@@ -207,7 +207,7 @@
</thead>
{#nn.LiveNodes}
<tr>
- <td><a class="browse-dir-links" info-http-addr="{infoAddr}"
info-https-addr="{infoSecureAddr}">{name}</a> ({xferaddr})</td>
+ <td>{name} ({xferaddr})</td>
<td>{lastContact}</td>
<td>{adminState}</td>
<td>{capacity|fmt_bytes}</td>
Modified:
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js
URL:
http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js?rev=1534707&r1=1534706&r2=1534707&view=diff
==============================================================================
---
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js
(original)
+++
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js
Tue Oct 22 17:24:52 2013
@@ -19,19 +19,6 @@
"use strict";
var data = {};
- function generate_browse_dn_link(info_http_addr, info_https_addr) {
- var is_https = window.location.protocol === 'https:';
- var authority = is_https ? info_https_addr : info_http_addr;
-
- var nn_info_port = window.location.port;
- if (nn_info_port === "") {
- nn_info_port = is_https ? 443 : 80;
- }
-
- var l = '//' + authority +
'/browseDirectory.jsp?dir=%2F&namenodeInfoPort=' +
- nn_info_port + '&nnaddr=' + data.nnstat.HostAndPort;
- return l;
- }
function render() {
var helpers = {
@@ -56,24 +43,7 @@
load_templates(dust, TEMPLATES, function() {
dust.render('dfshealth', base.push(data), function(err, out) {
-
- $('#panel').append(out);
-
- $('#browse-dir-first').click(function () {
- var len = data.nn.LiveNodes.length;
- if (len < 1) {
- show_err_msg('Cannot browse the DFS since there are no live nodes
available.');
- return false;
- }
-
- var dn = data.nn.LiveNodes[Math.floor(Math.random() * len)];
- window.location.href = generate_browse_dn_link(dn.infoAddr,
dn.infoSecureAddr);
- });
-
- $('.browse-dir-links').click(function () {
- var http_addr = $(this).attr('info-http-addr'), https_addr =
$(this).attr('info-https-addr');
- window.location.href = generate_browse_dn_link(http_addr,
https_addr);
- });
+ $('#panel').html(out);
});
}, function () {
show_err_msg('Failed to load the page.');
Modified:
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFsck.java
URL:
http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFsck.java?rev=1534707&r1=1534706&r2=1534707&view=diff
==============================================================================
---
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFsck.java
(original)
+++
hadoop/common/branches/HDFS-2832/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFsck.java
Tue Oct 22 17:24:52 2013
@@ -83,7 +83,6 @@ import org.apache.log4j.RollingFileAppen
import org.junit.Test;
import com.google.common.collect.Sets;
-import org.mockito.Mockito;
import static org.mockito.Mockito.*;
/**
@@ -892,6 +891,80 @@ public class TestFsck {
}
}
}
+
+ /**
+ * Tests that the # of misreplaced replicas is correct
+ * @throws IOException
+ */
+ @Test
+ public void testFsckMisPlacedReplicas() throws IOException {
+ // Desired replication factor
+ final short REPL_FACTOR = 2;
+ // Number of replicas to actually start
+ short NUM_DN = 2;
+ // Number of blocks to write
+ final short NUM_BLOCKS = 3;
+ // Set a small-ish blocksize
+ final long blockSize = 512;
+
+ String [] racks = {"/rack1", "/rack1"};
+ String [] hosts = {"host1", "host2"};
+
+ Configuration conf = new Configuration();
+ conf.setLong(DFSConfigKeys.DFS_BLOCK_SIZE_KEY, blockSize);
+
+ MiniDFSCluster cluster = null;
+ DistributedFileSystem dfs = null;
+
+ try {
+ // Startup a minicluster
+ cluster =
+ new MiniDFSCluster.Builder(conf).numDataNodes(NUM_DN).hosts(hosts)
+ .racks(racks).build();
+ assertNotNull("Failed Cluster Creation", cluster);
+ cluster.waitClusterUp();
+ dfs = (DistributedFileSystem) cluster.getFileSystem();
+ assertNotNull("Failed to get FileSystem", dfs);
+
+ // Create a file that will be intentionally under-replicated
+ final String pathString = new String("/testfile");
+ final Path path = new Path(pathString);
+ long fileLen = blockSize * NUM_BLOCKS;
+ DFSTestUtil.createFile(dfs, path, fileLen, REPL_FACTOR, 1);
+
+ // Create an under-replicated file
+ NameNode namenode = cluster.getNameNode();
+ NetworkTopology nettop = cluster.getNamesystem().getBlockManager()
+ .getDatanodeManager().getNetworkTopology();
+ // Add a new node on different rack, so previous blocks' replicas
+ // are considered to be misplaced
+ nettop.add(DFSTestUtil.getDatanodeDescriptor("/rack2", "/host3"));
+ NUM_DN++;
+
+ Map<String,String[]> pmap = new HashMap<String, String[]>();
+ Writer result = new StringWriter();
+ PrintWriter out = new PrintWriter(result, true);
+ InetAddress remoteAddress = InetAddress.getLocalHost();
+ NamenodeFsck fsck = new NamenodeFsck(conf, namenode, nettop, pmap, out,
+ NUM_DN, (short)REPL_FACTOR, remoteAddress);
+
+ // Run the fsck and check the Result
+ final HdfsFileStatus file =
+ namenode.getRpcServer().getFileInfo(pathString);
+ assertNotNull(file);
+ Result res = new Result(conf);
+ fsck.check(pathString, file, res);
+ // check misReplicatedBlock number.
+ assertEquals(res.numMisReplicatedBlocks, NUM_BLOCKS);
+ } finally {
+ if(dfs != null) {
+ dfs.close();
+ }
+ if(cluster != null) {
+ cluster.shutdown();
+ }
+ }
+ }
/** Test fsck with FileNotFound */
@Test
