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From e..@apache.org
Subject svn commit: r1242572 - in /hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs: CHANGES.HDFS-1623.txt src/main/java/org/apache/hadoop/hdfs/DistributedFileSystem.java src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
Date Thu, 09 Feb 2012 22:33:20 GMT
Author: eli
Date: Thu Feb  9 22:33:20 2012
New Revision: 1242572

URL: http://svn.apache.org/viewvc?rev=1242572&view=rev
Log:
HDFS-2922. HA: close out operation categories. Contributed by Eli Collins

Modified:
    hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-1623.txt
    hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DistributedFileSystem.java
    hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java

Modified: hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-1623.txt
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-1623.txt?rev=1242572&r1=1242571&r2=1242572&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-1623.txt
(original)
+++ hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-1623.txt
Thu Feb  9 22:33:20 2012
@@ -192,3 +192,5 @@ HDFS-2924. Standby checkpointing fails t
 HDFS-2915. HA: TestFailureOfSharedDir.testFailureOfSharedDir() has race condition. (Bikas
Saha via jitendra)
 
 HDFS-2912. Namenode not shutting down when shared edits dir is inaccessible. (Bikas Saha
via atm)
+
+HDFS-2922. HA: close out operation categories. (eli)

Modified: hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DistributedFileSystem.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DistributedFileSystem.java?rev=1242572&r1=1242571&r2=1242572&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DistributedFileSystem.java
(original)
+++ hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DistributedFileSystem.java
Thu Feb  9 22:33:20 2012
@@ -681,7 +681,7 @@ public class DistributedFileSystem exten
   }
 
   /*
-   * Requests the namenode to dump data strcutures into specified 
+   * Requests the namenode to dump data structures into specified 
    * file.
    */
   public void metaSave(String pathname) throws IOException {
@@ -699,7 +699,7 @@ public class DistributedFileSystem exten
    * we can consider figuring out exactly which block is corrupt.
    */
   // We do not see a need for user to report block checksum errors and do not  
-  // want to rely on user to report block corruptions.
+  // want to rely on user to report block corruption.
   @Deprecated
   public boolean reportChecksumFailure(Path f, 
     FSDataInputStream in, long inPos, 

Modified: hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java?rev=1242572&r1=1242571&r2=1242572&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
(original)
+++ hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
Thu Feb  9 22:33:20 2012
@@ -697,7 +697,7 @@ class NameNodeRpcServer implements Namen
   @Override // ClientProtocol
   public DatanodeInfo[] getDatanodeReport(DatanodeReportType type)
       throws IOException {
-    // TODO(HA): decide on OperationCategory for this
+    namesystem.checkOperation(OperationCategory.READ);
     DatanodeInfo results[] = namesystem.datanodeReport(type);
     if (results == null ) {
       throw new IOException("Cannot find datanode report");
@@ -707,32 +707,32 @@ class NameNodeRpcServer implements Namen
     
   @Override // ClientProtocol
   public boolean setSafeMode(SafeModeAction action) throws IOException {
-    // TODO:HA decide on OperationCategory for this
+    // NB: not checking OperationCategory so this works on a standby
     return namesystem.setSafeMode(action);
   }
   @Override // ClientProtocol
   public boolean restoreFailedStorage(String arg) 
       throws AccessControlException {
-    // TODO:HA decide on OperationCategory for this
+    // NB: not checking OperationCategory so this works on a standby
     return namesystem.restoreFailedStorage(arg);
   }
 
   @Override // ClientProtocol
   public void saveNamespace() throws IOException {
-    // TODO:HA decide on OperationCategory for this
+    // NB: not checking OperationCategory so this works on a standby
     namesystem.saveNamespace();
   }
 
   @Override // ClientProtocol
   public void refreshNodes() throws IOException {
-    // TODO:HA decide on OperationCategory for this
+    // NB: not checking OperationCategory so this works on a standby
     namesystem.getBlockManager().getDatanodeManager().refreshNodes(
         new HdfsConfiguration());
   }
 
   @Override // NamenodeProtocol
-  public long getTransactionID() {
-    // TODO:HA decide on OperationCategory for this
+  public long getTransactionID()  throws IOException {
+    namesystem.checkOperation(OperationCategory.READ);
     return namesystem.getEditLog().getSyncTxId();
   }
 
@@ -744,26 +744,26 @@ class NameNodeRpcServer implements Namen
   @Override // NamenodeProtocol
   public RemoteEditLogManifest getEditLogManifest(long sinceTxId)
   throws IOException {
-    // TODO:HA decide on OperationCategory for this
+    namesystem.checkOperation(OperationCategory.READ);
     return namesystem.getEditLog().getEditLogManifest(sinceTxId);
   }
     
   @Override // ClientProtocol
   public void finalizeUpgrade() throws IOException {
-    // TODO:HA decide on OperationCategory for this
+    namesystem.checkOperation(OperationCategory.WRITE);
     namesystem.finalizeUpgrade();
   }
 
   @Override // ClientProtocol
   public UpgradeStatusReport distributedUpgradeProgress(UpgradeAction action)
       throws IOException {
-    // TODO:HA decide on OperationCategory for this
+    namesystem.checkOperation(OperationCategory.READ);
     return namesystem.distributedUpgradeProgress(action);
   }
 
   @Override // ClientProtocol
   public void metaSave(String filename) throws IOException {
-    // TODO:HA decide on OperationCategory for this
+    // NB: not checking OperationCategory so this works on a standby
     namesystem.metaSave(filename);
   }
   @Override // ClientProtocol
@@ -784,12 +784,12 @@ class NameNodeRpcServer implements Namen
   /**
    * Tell all datanodes to use a new, non-persistent bandwidth value for
    * dfs.datanode.balance.bandwidthPerSec.
-   * @param bandwidth Blanacer bandwidth in bytes per second for all datanodes.
+   * @param bandwidth Balancer bandwidth in bytes per second for all datanodes.
    * @throws IOException
    */
   @Override // ClientProtocol
   public void setBalancerBandwidth(long bandwidth) throws IOException {
-    // TODO:HA decide on OperationCategory for this
+    // NB: not checking OperationCategory so this works on a standby
     namesystem.getBlockManager().getDatanodeManager().setBalancerBandwidth(bandwidth);
   }
   



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