tl;dr: Decommissioning datacenters by running nodetool decommission on a
node deletes the data on the decommissioned node - is this expected ?
I am trying our some tests on my multi-datacenter setup. Somewhere in the
docs I read that decommissioning a node will stream its data to other nodes
but
On Thu, Aug 7, 2014 at 8:26 AM, srmore comom...@gmail.com wrote:
tl;dr: Decommissioning datacenters by running nodetool decommission on a
node deletes the data on the decommissioned node - is this expected ?
What does deletes mean? What does lost all my keyspaces (and data) mean?
=Rob
Hello Rob
Sorry for being ambiguous. By deletes I mean that running decommission I
can no longer see any keyspaces owned by this node or replicated by other
nodes using the cfstats command. I am also seeing the same behavior when I
remove a single node from a cluster (without datacenters).
On
On Thu, Aug 7, 2014 at 10:04 AM, srmore comom...@gmail.com wrote:
Sorry for being ambiguous. By deletes I mean that running decommission
I can no longer see any keyspaces owned by this node or replicated by other
nodes using the cfstats command. I am also seeing the same behavior when I
On Thu, Aug 7, 2014 at 12:27 PM, Robert Coli rc...@eventbrite.com wrote:
On Thu, Aug 7, 2014 at 10:04 AM, srmore comom...@gmail.com wrote:
Sorry for being ambiguous. By deletes I mean that running decommission
I can no longer see any keyspaces owned by this node or replicated by other
nodes
My reading is it didn't forget the schema. It lost the data.
My reading is decomissioning worked fine. Possibly when you changed the
replication on a keyspace to include a second data center, the data didn't
get replicated.
When you ADD a datacenter, you need to do a nodetool rebuild to get
Thanks for the detailed reply Ken, this really helps. I also realized that
I wasn't doing a 'nodetool rebuild' after reading your email. I was
following the steps mentioned here
http://www.datastax.com/documentation/cassandra/1.2/cassandra/operations/ops_decomission_dc_t.html
I do a test with
I tried using 'nodetool rebuild' after I add the datacenters,date same
outcome, and after I decommission my keyspaces are getting wiped out, I
don't understand this.
On Thu, Aug 7, 2014 at 1:54 PM, srmore comom...@gmail.com wrote:
Thanks for the detailed reply Ken, this really helps. I also
On Thu, Aug 7, 2014 at 12:29 PM, srmore comom...@gmail.com wrote:
I tried using 'nodetool rebuild' after I add the datacenters,date same
outcome, and after I decommission my keyspaces are getting wiped out, I
don't understand this.
File a JIRA with steps to reproduce the issue, and someone
