Formatting NameNode will cause data loss – in effect you will lose all your
data on DataNodes(rather access to data on DataNodes). NameNode will have no
idea where your data(files) are stored. I don’t think that’s what you’re
looking for.
I am wondering why isn’t there any log information on
Hi,
Is it possible to redirect writes to one particular node i.e. store the primary
replica always on the same node; and have reads served from this primary node.
If the primary node goes down; then hadoop replication works as per its policy;
but when this node comes up it should again become