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From Jitendra Nath Pandey <jiten...@yahoo-inc.com>
Subject Re: where can I find the protocol between the nodes?
Date Thu, 08 Apr 2010 17:11:33 GMT
Checkout the interfaces that different services implement.
 For example Namenode implements ClientProtocol, DatanodeProtocol and a few
All these protocols should have javadoc telling about their purpose.

Data transfer between client and datanode is not over RPC protocol, rather
client sets up a socket connection and streams the data.

On 4/8/10 12:47 AM, "Chen Bangzhong" <bangzhong@gmail.com> wrote:

> For example, the protocol between the client and the namenode? the protocol
> between client and datanode for transfer?
> I googled, but no finding.
> thanks

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