public void beforeApplyModels()
{
if (clientMode)
return;
ColumnFamilyStore cfs = Table.open(oldCfm.tableName).getColumnFamilyStore(oldCfm.cfName);
cfs.snapshot(Table.getTimestampedSnapshotName(null));
}
void applyModels() throws IOException
{
logger.debug("Updating " + oldCfm + " to " + newCfm);