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From z..@apache.org
Subject [44/52] [abbrv] hadoop git commit: HDFS-7652. Process block reports for erasure coded blocks. Contributed by Zhe Zhang
Date Mon, 23 Feb 2015 19:37:32 GMT
HDFS-7652. Process block reports for erasure coded blocks. Contributed by Zhe Zhang


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/6caf9c77
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/6caf9c77
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/6caf9c77

Branch: refs/heads/HDFS-7285
Commit: 6caf9c77c60321897c536101a801fcdba8e981ff
Parents: 6d6fffc
Author: Zhe Zhang <zhz@apache.org>
Authored: Mon Feb 9 10:27:14 2015 -0800
Committer: Zhe Zhang <zhz@apache.org>
Committed: Mon Feb 23 11:19:51 2015 -0800

----------------------------------------------------------------------
 .../server/blockmanagement/BlockIdManager.java    |  8 ++++++++
 .../hdfs/server/blockmanagement/BlockManager.java | 18 +++++++++++++-----
 2 files changed, 21 insertions(+), 5 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/6caf9c77/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockIdManager.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockIdManager.java
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockIdManager.java
index c8b9d20..e7f8a05 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockIdManager.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockIdManager.java
@@ -211,4 +211,12 @@ public class BlockIdManager {
       .LAST_RESERVED_BLOCK_ID);
     generationStampV1Limit = GenerationStamp.GRANDFATHER_GENERATION_STAMP;
   }
+
+  public static boolean isStripedBlockID(long id) {
+    return id < 0;
+  }
+
+  public static long convertToGroupID(long id) {
+    return id & (~(HdfsConstants.MAX_BLOCKS_IN_GROUP - 1));
+  }
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/6caf9c77/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
index 58a8b94..f4369b6 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
@@ -1876,7 +1876,7 @@ public class BlockManager {
           break;
         }
 
-        BlockInfoContiguous bi = blocksMap.getStoredBlock(b);
+        BlockInfoContiguous bi = getStoredBlock(b);
         if (bi == null) {
           if (LOG.isDebugEnabled()) {
             LOG.debug("BLOCK* rescanPostponedMisreplicatedBlocks: " +
@@ -1981,7 +1981,7 @@ public class BlockManager {
         continue;
       }
       
-      BlockInfoContiguous storedBlock = blocksMap.getStoredBlock(iblk);
+      BlockInfoContiguous storedBlock = getStoredBlock(iblk);
       // If block does not belong to any file, we are done.
       if (storedBlock == null) continue;
       
@@ -2123,7 +2123,7 @@ public class BlockManager {
     }
     
     // find block by blockId
-    BlockInfoContiguous storedBlock = blocksMap.getStoredBlock(block);
+    BlockInfoContiguous storedBlock = getStoredBlock(block);
     if(storedBlock == null) {
       // If blocksMap does not contain reported block id,
       // the replica should be removed from the data-node.
@@ -2414,7 +2414,7 @@ public class BlockManager {
     DatanodeDescriptor node = storageInfo.getDatanodeDescriptor();
     if (block instanceof BlockInfoContiguousUnderConstruction) {
       //refresh our copy in case the block got completed in another thread
-      storedBlock = blocksMap.getStoredBlock(block);
+      storedBlock = getStoredBlock(block);
     } else {
       storedBlock = block;
     }
@@ -3360,7 +3360,15 @@ public class BlockManager {
   }
 
   public BlockInfoContiguous getStoredBlock(Block block) {
-    return blocksMap.getStoredBlock(block);
+    BlockInfoContiguous info = null;
+    if (BlockIdManager.isStripedBlockID(block.getBlockId())) {
+      info = blocksMap.getStoredBlock(
+          new Block(BlockIdManager.convertToGroupID(block.getBlockId())));
+    }
+    if (info == null) {
+      info = blocksMap.getStoredBlock(block);
+    }
+    return info;
   }
 
   /** updates a block in under replication queue */


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