On Fri, Jan 3, 2014 at 3:33 PM, Mullen, Robert <robert.mul...@pearson.com>wrote:
> I have a multi region cluster with 3 nodes in each data center, ec2 > us-east and and west. Prior to upgrading to 2.0.2 from 1.2.6, the owns % > of each node was 100%, which made sense because I had a replication factor > of 3 for each data center. After upgrading to 2.0.2 each node claims to > own about 17% of the data now. > First, why would you upgrade to 2.0.2 when higher versions exist? Second, are you running in production? If so, read this : https://engineering.eventbrite.com/what-version-of-cassandra-should-i-run/ > So a couple of questions: > 1. Any idea why the owns % would have changed from 100% to 17% per node > after upgrade? > Because the display of this information has changed repeatedly over the years, including for bugfixes. https://issues.apache.org/jira/browse/CASSANDRA-3412 https://issues.apache.org/jira/browse/CASSANDRA-5076 https://issues.apache.org/jira/browse/CASSANDRA-4598 https://issues.apache.org/jira/browse/CASSANDRA-6168 https://issues.apache.org/jira/browse/CASSANDRA-5954 etc. 2. Is there anything else I can do to get the data back in sync between the > nodes other than nodetool repair? > What do you mean by "the counts are different across the nodes now"? It is pretty unlikely that you have lost any data, from what you have described. =Rob
