lets say that you have some machines in europe and some in US I think you just need the ips and configure them in your cluster set up it will work...
On Sat, Aug 31, 2013 at 7:52 AM, Jun Ping Du <[email protected]> wrote: > Hi, > Although you can set datacenter layer on your network topology, it is > never enabled in hadoop as lacking of replica placement and task scheduling > support. There are some work to add layers other than rack and node under > HADOOP-8848 but may not suit for your case. Agree with Adam that a cluster > spanning multiple data centers seems not make sense even for DR case. Do > you have other cases to do such a deployment? > > Thanks, > > Junping > > ------------------------------ > *From: *"Adam Muise" <[email protected]> > *To: *[email protected] > *Sent: *Friday, August 30, 2013 6:26:54 PM > *Subject: *Re: Multidata center support > > > Nothing has changed. DR best practice is still one (or more) clusters per > site and replication is handled via distributed copy or some variation of > it. A cluster spanning multiple data centers is a poor idea right now. > > > > > On Fri, Aug 30, 2013 at 12:35 AM, Rahul Bhattacharjee < > [email protected]> wrote: > >> My take on this. >> >> Why hadoop has to know about data center thing. I think it can be >> installed across multiple data centers , however topology configuration >> would be required to tell which node belongs to which data center and >> switch for block placement. >> >> Thanks, >> Rahul >> >> >> On Fri, Aug 30, 2013 at 12:42 AM, Baskar Duraikannu < >> [email protected]> wrote: >> >>> We have a need to setup hadoop across data centers. Does hadoop support >>> multi data center configuration? I searched through archives and have found >>> that hadoop did not support multi data center configuration some time back. >>> Just wanted to see whether situation has changed. >>> >>> Please help. >>> >> >> > > > -- > * > * > * > * > *Adam Muise* > Solution Engineer > *Hortonworks* > [email protected] > 416-417-4037 > > Hortonworks - Develops, Distributes and Supports Enterprise Apache > Hadoop.<http://hortonworks.com/> > > Hortonworks Virtual Sandbox <http://hortonworks.com/sandbox> > > Hadoop: Disruptive Possibilities by Jeff > Needham<http://hortonworks.com/resources/?did=72&cat=1> > > CONFIDENTIALITY NOTICE > NOTICE: This message is intended for the use of the individual or entity > to which it is addressed and may contain information that is confidential, > privileged and exempt from disclosure under applicable law. If the reader > of this message is not the intended recipient, you are hereby notified that > any printing, copying, dissemination, distribution, disclosure or > forwarding of this communication is strictly prohibited. If you have > received this communication in error, please contact the sender immediately > and delete it from your system. Thank You. > >
