Data is redistributed temporarily (indefinitely) until the primary node comes 
back online. So primary ownership of data would not be changed but your keys 
could be living on another physical node if any of the primary replicas were 
down.

So to answer your question directly: Yes (in the narrowest definition)


On March 24, 2014 at 10:34:22, Jeff Peck ([email protected]) wrote:

Thank you. So, does that mean that no redistribution of data would occur unless 
the node is manually removed?

- Jeff


On Mar 24, 2014, at 1:31 PM, Seth Thomas <[email protected]> wrote:

Jeff,

When a node is no longer responding a process called hinted handoff[1] takes 
over and ensure that your N (replication) value is met by allowing other nodes 
to temporarily take responsibility for the vnodes of the downed node. This node 
can return to the cluster and will resume operations for the vnodes it’s 
primarily responsible for or you could remove the node[2] from the cluster 
which would redistribute the primary responsibly among the remaining nodes. I’d 
also give our docs on replication[3] a look for more information.

Seth Thomas

[1] http://docs.basho.com/riak/latest/theory/concepts/glossary/#Hinted-Handoff
[2] 
http://docs.basho.com/riak/latest/ops/running/nodes/adding-removing/#Removing-a-Node-From-a-Cluster
[3] http://docs.basho.com/riak/latest/theory/concepts/Replication/


On March 24, 2014 at 9:33:17, Jeff Peck ([email protected]) wrote:

Is there a description of what happens internally when a node goes down? I am 
curious if any there would be any sort of reshuffling or redistribution of data 
in the remaining vnodes? Or would the node simply be unavailable until 
restarted? 

Thanks, 
Jeff 
_______________________________________________ 
riak-users mailing list 
[email protected] 
http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com

_______________________________________________
riak-users mailing list
[email protected]
http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com

Reply via email to