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From "Ahmad Humayun" <ahmad.hu...@gmail.com>
Subject Re: Start point for source code
Date Tue, 24 Jun 2008 12:02:47 GMT
When we were looking into Hadoop code....we attempted to make a doc out of
it....you might want to check it out:
http://suraj.lums.edu.pk/~ahmadh/resources/docs/hadoop_call_trace.doc

regards,

On Tue, Jun 24, 2008 at 3:09 PM, Naama Kraus <naamakraus@gmail.com> wrote:

> 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
> >
> >
>
>
> --
> oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo 00 oo
> 00 oo 00 oo
> "If you want your children to be intelligent, read them fairy tales. If you
> want them to be more intelligent, read them more fairy tales." (Albert
> Einstein)
>



-- 
Ahmad Humayun
Research Assistant
Computer Science Dpt., LUMS
http://suraj.lums.edu.pk/~ahmadh
+92 321 4457315

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