YCSB-read.java

public Status read(String table, String key, Set<String> fields,
                 Map<String, ByteIterator> result) {
	try (final TraceScope span = tracer.newScope(scopeStringRead)) {
  		long ist = measurements.getIntendedtartTimeNs();
		long st = System.nanoTime();
		Status res = db.read(table, key, fields, result);
		long en = System.nanoTime();
		measure("READ", res, ist, st, en);
		measurements.reportStatus("READ", res);
		return res;
	}
}