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svn merge -c 1331598 from trunk for HDFS-3331. In namenode, check superuser privilege for setBalancerBandwidth and acquire the write lock for finalizeUpgrade. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1331599 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Tsz-wo Sze 2012-04-27 21:18:59 +00:00
parent 73c378c1e7
commit 5b56599766
4 changed files with 26 additions and 9 deletions
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6
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -798,7 +798,11 @@ Release 0.23.3 - UNRELEASED
HDFS-3321. Fix safe mode turn off tip message. (Ravi Prakash via szetszwo)
HDFS-3334. Fix ByteRangeInputStream stream leakage. (Daryn Sharp via szetszwo)
HDFS-3334. Fix ByteRangeInputStream stream leakage. (Daryn Sharp via
szetszwo)
HDFS-3331. In namenode, check superuser privilege for setBalancerBandwidth
and acquire the write lock for finalizeUpgrade. (szetszwo)
Release 0.23.2 - UNRELEASED

1
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeManager.java
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@ -651,7 +651,6 @@ public class DatanodeManager {
* checks if any of the hosts have changed states:
*/
public void refreshNodes(final Configuration conf) throws IOException {
namesystem.checkSuperuserPrivilege();
refreshHostsReader(conf);
namesystem.writeLock();
try {

20
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
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@ -3332,8 +3332,26 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
}
void finalizeUpgrade() throws IOException {
writeLock();
try {
checkOperation(OperationCategory.WRITE);
checkSuperuserPrivilege();
getFSImage().finalizeUpgrade();
} finally {
writeUnlock();
}
}
void refreshNodes() throws IOException {
checkOperation(OperationCategory.UNCHECKED);
checkSuperuserPrivilege();
getFSImage().finalizeUpgrade();
getBlockManager().getDatanodeManager().refreshNodes(new HdfsConfiguration());
}
void setBalancerBandwidth(long bandwidth) throws IOException {
checkOperation(OperationCategory.UNCHECKED);
checkSuperuserPrivilege();
getBlockManager().getDatanodeManager().setBalancerBandwidth(bandwidth);
}
/**

8
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
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@ -708,9 +708,7 @@ class NameNodeRpcServer implements NamenodeProtocols {
@Override // ClientProtocol
public void refreshNodes() throws IOException {
namesystem.checkOperation(OperationCategory.UNCHECKED);
namesystem.getBlockManager().getDatanodeManager().refreshNodes(
new HdfsConfiguration());
namesystem.refreshNodes();
}
@Override // NamenodeProtocol
@ -733,7 +731,6 @@ class NameNodeRpcServer implements NamenodeProtocols {
@Override // ClientProtocol
public void finalizeUpgrade() throws IOException {
namesystem.checkOperation(OperationCategory.WRITE);
namesystem.finalizeUpgrade();
}
@ -773,8 +770,7 @@ class NameNodeRpcServer implements NamenodeProtocols {
*/
@Override // ClientProtocol
public void setBalancerBandwidth(long bandwidth) throws IOException {
namesystem.checkOperation(OperationCategory.UNCHECKED);
namesystem.getBlockManager().getDatanodeManager().setBalancerBandwidth(bandwidth);
namesystem.setBalancerBandwidth(bandwidth);
}
@Override // ClientProtocol