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Home » How much is too much?
fastlane

How much is too much?

August 12, 2014
Clifford F. Lynch
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In the past year, tens of thousands of words have been written about "big data" and how to manage it. The fact of the matter is that big data is simply a new term for an old condition. Almost from the first day that technology became widely used in managing the supply chain, we've had more data than we could use. Rather than spending time and resources trying to manage what we don't need, I think it might be interesting to try to reduce the amount of data to that which we really can use effectively. This could be particularly important in managing the performance of logistics service providers (LSPs), where in too many cases, outsourcers will become so enamored of data that they measure far more than they need to.

In 1610, Galileo Galilei said, "We must measure what can be measured, and make measurable what cannot be measured." (Over the years, this statement has evolved into the more direct, oft-quoted axiom, "You cannot manage what you cannot measure.") But today, some 400 years later, many supply chain managers still struggle with the application of that premise. Different companies will have different criteria for measuring their LSPs' performance. For example, a pharmaceutical client would be much more concerned about batch controls and error rates than an appliance manufacturer would. But four basic rules should apply over all industries and providers:

  • The first axiom is the tried and true, "You can't manage what you can't measure." This is particularly valid for outsourced operations. If you do not know how the provider is performing against agreed-upon standards and benchmarks, it will be impossible to evaluate not only its performance, but also the client's own customer service.
  • Make measurable what cannot be measured. The task here will be to identify activities in discrete segments against which you can establish measurable and achievable standards. A common mistake is to establish standards that are so vague they are absolutely meaningless. This creates additional work for both parties. Once the activities have been identified, then their importance can be determined.
  • Measure only what is important and actionable. This is the area where a lot of big data is generated. It also often leads to "report abuse." Some managers will become so fascinated with the reports themselves that they will insist on measuring trivia. If it doesn't have an impact on the operation or the operation's cost, efficiency, or customer service, forget it. While every company has its unique needs, in a typical warehouse operation, the measurement of eight to 10 basic areas should be sufficient. Examples of these are productivity, order-fill rate, on-time performance, inventory variations, order cycle time, line-item accuracy, number of orders handled, and space utilization. You really don't need to know how many orders were loaded at Door 5 by employees wearing blue shirts.
  • Measurement must be balanced. Too many measurements can bury the operation in details and lead to friction between the parties. Too few or too general evaluations make the performance difficult to manage. Timing should be balanced as well. There is no need to measure everything every day.

Certainly, as our technology continues to improve, we will learn more about our supply chains, i.e., generate more and "bigger" data, and the information no doubt will be helpful. The phrase "Information is power" probably has been quoted on millions of occasions; but in my mind, the real power lies in being able to take the information and use it effectively. This includes rejecting the information you don't need to manage your activities.

Supply Chain Services Business Management & Finance
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Clifford F. Lynch is principal of C.F. Lynch & Associates, a provider of logistics management advisory services, and author of Logistics Outsourcing ? A Management Guide and co-author of The Role of Transportation in the Supply Chain. He can be reached at cliff@cflynch.com.

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