S1E02 The problems at full capacity utilisation

Introduction

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"if everyone is busy we must be productive"

"if someone is idle there must be spare capacity to be utilised"

Traffic congestion theory

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Resource allocation

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Simple allocation

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Complex allocation

Conditions:

  • Size is correct
  • No variation

Estimation

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Normal Distribution

Image result for normal distribution

Gamma distribution

Image result for gamma distribution


Variability

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Now what?

Organisational response 

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Familiar buzz words gets thrown around:

  • Prioritisation
  • Expediting
  • Reallocation
  • Task switching
  • Management focus


"adding human resources to a late software project makes it later" - Brook's Law

What to do

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  1. Communicate risk early
  2. Build slack into the plan
  3. Realise that changing adds overhead

Reading recommendation

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The Phoenix Project by George Spafford, Gene Kim, Kevin Behr

The Phoenix Project cover art

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Outro

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All material available in Confluence:

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