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From "Naama Kraus" <naamakr...@gmail.com>
Subject Re: Start point for source code
Date Tue, 24 Jun 2008 10:09:47 GMT
Hi,

Could you please also specify starting points for getting into the map
reduce code ?

Thanks, Naama

On Mon, Jun 23, 2008 at 10:40 PM, lohit <lohit_bv@yahoo.com> wrote:

> Following any hadoop dfs related commands to see what code path it takes
> would be a good start.
> Bulk of hdfs code in org.apache.hadoop.dfs package.
> org.apache.hadoop.fs has generic interface/apis, especially FileSystem.java
> You could follow that and check DistributedFileSystem.java which
> implements/overrides FileSystem apis
> DFSClient.java should be a good start for hdfs client end code.
> On the server side NameNode.java would be a good start. Similarly
> DataNode.java for Data nodes.
>
> Thanks,
> Lohit
>
> ----- Original Message ----
> From: Sangmin Lee <sangmin.dev@gmail.com>
> To: core-dev@hadoop.apache.org
> Sent: Monday, June 23, 2008 12:32:17 PM
> Subject: Start point for source code
>
> Hi all,
>
> I'm a novice for hadoop code and want to hack hdfs code.
> Can any body point me to the startpoint ?
>
> I appreciate your help in advance.
>
> Cheers,
> Sangmin
>
>


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