Thanks for d response. It helps. :-) On 11 Nov 2013 14:04, "unmesha sreeveni" <unmeshab...@gmail.com> wrote:
> I guess it is TCP . > > The server is > DataXceiverServer<http://www.grepcode.com/file/repository.cloudera.com/content/repositories/releases/org.apache.hadoop/hadoop-hdfs/2.0.0-cdh4.3.0/org/apache/hadoop/hdfs/server/datanode/DataXceiverServer.java?av=f> > and > the client is > DFSClient<http://www.grepcode.com/file/repository.cloudera.com/content/repositories/releases/org.apache.hadoop/hadoop-hdfs/2.0.0-cdh4.3.0/org/apache/hadoop/hdfs/DFSClient.java#DFSClient>. > Basiclly, they use the Java Socket API. > > DataXceiverServer<http://www.grepcode.com/file/repository.cloudera.com/content/repositories/releases/org.apache.hadoop/hadoop-hdfs/2.0.0-cdh4.3.0/org/apache/hadoop/hdfs/server/datanode/DataXceiverServer.java?av=f> > : > http://www.grepcode.com/file/repository.cloudera.com/content/repositories/releases/org.apache.hadoop/hadoop-hdfs/2.0.0-cdh4.3.0/org/apache/hadoop/hdfs/server/datanode/DataXceiverServer.java?av=f > > > > On Mon, Nov 11, 2013 at 12:11 PM, Harsh J <ha...@cloudera.com> wrote: > >> Neither of those. We stream data directly over a TCP network socket. >> >> Please read http://wiki.apache.org/hadoop/FAQ#Does_Hadoop_require_SSH.3F >> regarding your SSH confusion. >> >> On Mon, Nov 11, 2013 at 10:21 AM, rab ra <rab...@gmail.com> wrote: >> > Hello >> > >> > I have a question. To transfer the files to datanodes what protocol >> hadoop >> > uses? SSH or http or https >> >> >> >> -- >> Harsh J >> > > > > -- > *Thanks & Regards* > > Unmesha Sreeveni U.B > > *Junior Developer* > > *Amrita Center For Cyber Security * > > > * Amritapuri.www.amrita.edu/cyber/ <http://www.amrita.edu/cyber/>* >
