String localhost = InetAddress.getLocalHost().getHostName();
String path = ZooUtil.getRoot(instance) + Constants.ZTRACERS;
Tracer.getInstance().addReceiver(new ZooSpanClient(zooKeepers, path, localhost, "cingest", 1000));
BatchWriter bw = conn.createBatchWriter(table, maxMemory, maxLatency, maxWriteThreads);
bw = Trace.wrapAll(bw, new CountSampler(1024));
Random r = new Random();
byte[] ingestInstanceId = UUID.randomUUID().toString().getBytes();