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Quotes

Created: / Updated: / Status: draft / Readability: 1 / 1 minute read (~75 words)
quotes 2

Marcus Aurelius
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  • The happiness of your life depends upon the quality of your thoughts.

Seneca
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  • People are frugal in guarding their personal property; but as soon as it comes to squandering time they are most wasteful of the one thing in which it is right to be stingy.
  • He who spares the wicked injures the good.

Zeno
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  • No loss should be more regrettable to us than losing our time, for it’s irretrievable.

Incident investigation

Created: / Updated: / Status: draft / Readability: 5 / 2 minutes read (~212 words)
processes 48 work 15

  • Define the incident owner

  • Define the incident secretary/communicator

  • Create and document

    • Summary
    • Observations (link to metrics dashboards with absolute timestamps as much as possible)
      • Screenshots
        • Who took the screenshot
        • Link to get the graph/data
        • Associated conclusions
      • Links to logs
    • Hypotheses/theories
      • Who made them
      • When
      • If they have been validated/invalidated
    • The actions taken
      • By whom
      • If it had the desired effect
    • etc.

  • In the situation where an incident has been caused by the introduction of a code regression, revert the change and deploy as soon as possible

  • Start by reducing/relieving the impact of the incident before searching for a root cause

  • Use multiple data sources when data sources do not agree

  • Diagram all the implicated systems and the relationship to one another in order to identify the potential locations where the problem might be

  • Test your hypotheses to verify if they hold or not

  • Develop a procedure over time that can be followed to diagnose similar issues

  • Write down a list of improvement suggestions in order for the incident not to reproduce itself in the future or to lessen its impact

  • Once the incident is completed, have a summary of the conclusions at the top of the document with a link to the sections in the document explaining the rationale behind the conclusions

Yearly review

Created: / Updated: / Status: draft / Readability: 5 / 1 minute read (~63 words)
processes 48 work 15

Trigger
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Every year, either at the beginning or end of the year.

Duration
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A few hours spread over the course of a few days.

Steps
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  • Review year according to various facets
  • Plan the next year according to the same facets

Notes
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  • I use a mind map software to do my yearly review and plan.

References
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