int num = 0;
String outDir = String.format("/tmp/cass/%03d/ks/table",num++);
CQLSSTableWriter.Builder builder = CQLSSTableWriter.builder();
builder.inDirectory(new File(outDir))
       .forTable(schema)
       .using(insert)
       .withPartitioner(new Murmur3Partitioner());
CQLSSTableWriter writer = builder.build();