For your second question, I think unless you already have data replica in new hdfs datanode, otherwise hdfs would copy the block from other exist datanode.
On Tue, Jun 23, 2015 at 7:51 PM, Sebastien Brennion < [email protected]> wrote: > Hi, > > > - I would like to know it there is a way to make mesos dispatch in > priority spark jobs, on instances, that also contain hdfs service, to > prevent all Data going over the network ? > > > - What I also not sure about, is how to handle the storage, if hdfs is > running in mesos ? What happend when hdfs_1 is moved from mesos_worker_1 to > mesos_worker_2, do all Data have to be copied ? How are handling this ? > > > Regards > > Sébastien > -- Best Regards, Haosdent Huang
