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From "Sangmin Lee" <sangmin....@gmail.com>
Subject Re: Start point for source code
Date Mon, 30 Jun 2008 20:30:48 GMT
thank you for sharing your valuable doc.

-sangmin

On Tue, Jun 24, 2008 at 7:02 AM, Ahmad Humayun <ahmad.humyn@gmail.com>
wrote:

> 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<http://suraj.lums.edu.pk/%7Eahmadh/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 <http://suraj.lums.edu.pk/%7Eahmadh>
> +92 321 4457315
>

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