This is Fine! A podcast about resilience engineering and software cover image

This is Fine! A podcast about resilience engineering and software

Episode 2 - Does Software Need Safety?

Nov 21, 2024
John Allspaw, a pioneer in resilience engineering known for his impactful work at Etsy and in the DevOps movement, dives into crucial discussions about safety in software. He addresses how traditional safety concepts clash with software development realities. The conversation highlights the necessity of psychological safety for innovation and explores narrative control's role in software perception. They also examine the dynamics of change management in development, including the risks associated with code freezes and fostering open communication during deployments.
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Episode guests

Podcast summary created with Snipd AI

Quick takeaways

  • Code freezes can heighten developer anxiety and lead to mistakes, suggesting a need for a more flexible 'slush' model.
  • Emphasizing psychological safety in software engineering encourages open discussions about risks, promoting a culture of resilience and continuous improvement.

Deep dives

The Impact of Code Freeze Practices

The discussion centers on the timing of code freezes in the software industry, especially as the holiday season approaches. Code freezes are often implemented to prevent changes during critical periods, but they can create problems by forcing a backlog of changes that leads to a spike in activity both before and after the freeze. This results in heightened anxiety among developers who feel pressured to push changes through quickly, which may lead to mistakes and increased risk. Instead of utilizing code freezes, a 'slush' model is suggested, which encourages careful consideration of changes rather than outright stalling modifications, fostering a more proactive and calculated approach.

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