Thanks for the pointer, Naama On Tue, Jun 24, 2008 at 3:02 PM, Ahmad Humayun <[EMAIL PROTECTED]> 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 <[EMAIL PROTECTED]> 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 <[EMAIL PROTECTED]> 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 <[EMAIL PROTECTED]> > > > To: [email protected] > > > 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 > -- 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)
