Package org.apache.hadoop.hdfs.server.namenode

Examples of org.apache.hadoop.hdfs.server.namenode.FSNamesystem.readUnlock()

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      namesystem.readLock();
      Collection<Block> dnBlocks =
        namesystem.getBlockManager().excessReplicateMap.get(lastDNid);
      assertEquals("Replicas on node " + lastDNid + " should have been deleted",
          SMALL_FILE_LENGTH / SMALL_BLOCK_SIZE, dnBlocks.size());
      namesystem.readUnlock();
      for(BlockLocation location : locs)
        assertEquals("Block should still have 4 replicas",
            4, location.getNames().length);
    } finally {
      if(fs != null) fs.close();
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      namesystem.readLock();
      Collection<Block> dnBlocks =
        namesystem.getBlockManager().excessReplicateMap.get(lastDNid);
      assertEquals("Replicas on node " + lastDNid + " should have been deleted",
          SMALL_FILE_LENGTH / SMALL_BLOCK_SIZE, dnBlocks.size());
      namesystem.readUnlock();
      for(BlockLocation location : locs)
        assertEquals("Block should still have 4 replicas",
            4, location.getNames().length);
    } finally {
      if(fs != null) fs.close();
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      namesystem.readLock();
      Collection<Block> dnBlocks =
        namesystem.getBlockManager().excessReplicateMap.get(lastDNid);
      assertEquals("Replicas on node " + lastDNid + " should have been deleted",
          SMALL_FILE_LENGTH / SMALL_BLOCK_SIZE, dnBlocks.size());
      namesystem.readUnlock();
      for(BlockLocation location : locs)
        assertEquals("Block should still have 4 replicas",
            4, location.getNames().length);
    } finally {
      if(fs != null) fs.close();
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