try {
conn.tableOperations().create(opts.getTableName());
} catch (TableExistsException tee) {}
BatchWriter bw = conn.createBatchWriter(opts.getTableName(), bwOpts.getBatchWriterConfig());
bw = Trace.wrapAll(bw, new CountSampler(1024));
Random r = new Random();
byte[] ingestInstanceId = UUID.randomUUID().toString().getBytes(Constants.UTF8);