On Thu, Nov 20, 2014 at 7:00 AM, Andreas Finke <Andreas.Finke@solvians.com> wrote:

we upgraded a 6 node Cluster from Cassandra 2.0.7 to 2.1.1 recently sticking to this guide:

 

http://www.datastax.com/documentation/upgrade/doc/upgrade/cassandra/upgradeCassandraDetails.html

 

After upgrade cluster was less responsive than before. One node did not came up at all. When checking the data directory, we discovered a huge amount of SSTABLES:


That seems like rather a severe issue on upgrade. I personally would file a JIRA at :

http://issues.apache.org

Are you using level or size tiered compaction?

=Rob