Hi all, When I look at the wiki the procedure to change the column family is :
1. Empty the commitlog with "nodetool drain." 2. Shutdown Cassandra and verify that there is no remaining data in the commitlog. 3. Delete the sstable files (-Data.db, -Index.db, and -Filter.db) for any CFs removed, and rename the files for any CFs that were renamed. 4. Make necessary changes to your storage-conf.xml. 5. Start Cassandra back up and your edits should take effect. ** How do we check that the commitlog is empty ? as it seems that there are still files in the commit log directory after a drain ? Is it necessary to shutdown all nodes in a ring before changing the storage-conf.xml files ? On linux is a "kill -9" acceptable as a cassandra shutdown ? Thanks for answer. Jean-Yves **
