Simpler model for Namenode's fs Image and edit Logs
Key: HDFS-1073
URL: https://issues.apache.org/jira/browse/HDFS-1073
Project: Hadoop HDFS
Issue Type: Improvement
Reporter:
Hi Jay!
thanks for the answear but i'm asking for what it works it sends?
blockreport is an interface in DatanodeProtocol that has no
declaration.
thanks!
On Thu, Apr 1, 2010 at 5:50 PM, Jay Booth wrote:
> In DataNode:
> public DatanodeProtocol namenode
>
> It's not a reference to an actual n
In DataNode:
public DatanodeProtocol namenode
It's not a reference to an actual namenode, it's a wrapper for a network
protocol created by that RPC.waitForProxy call -- so when it calls
namenode.blockReport, it's sending that information over RPC to the namenode
instance over the network
On Thu,
Hi everyone!
sailing throught the hdfs source code that comes with hadoop 0.20.2, i
could not understand how hdfs sends blockreport to nameNode.
As i can see, in
src/hdfs/org/apache/hadoop/hdfs/server/datanode/DataNode.java we
create this.namenode interface with RPC.waitForProxy call (wich i
coul
