Change Advisory Board

Tag: Distributed systems

  • Stone, Soul, and Software

    Stone, Soul, and Software

    The philosophical principles underlying human conduct and ancient wisdom traditions establish a framework for understanding order and morality. Marcus Aurelius emphasized that the body is perishable, merely a “little flesh and breath” or a “network, a contexture of nerves, veins, and arteries”, while the rational soul should seek to know itself and choose its own nature. The end for rational animals is to follow reason, be content with destiny, and understand that the Universe is transformation. This pursuit of wisdom is paralleled in Freemasonry, which holds that all elevating and benign religions share fundamental truths. Masonry, founded on Geometry, or the fifth science, utilizes symbols like the Rough Ashlar, representing the unpolished mind awaiting cultivation through liberal education, and the pillars Boaz and Jachin, which denote strength and stability.

    Ancient texts, particularly the King James Version (KJV) of the Bible, have shaped modern language and literature. The KJV has contributed more to English than perhaps any other literary source, providing phrases like “The spirit indeed is willing, but the flesh is weak” (Matthew 26:41) and introducing words like helpmate, derived from “help meet for him” in Genesis. Its influence is evident across English literature in works by Shakespeare, John Milton (Paradise Lost), Herman Melville (Moby-Dick), and C.S. Lewis. The original KJV included the Old Testament, New Testament, and the Apocrypha, though the Apocrypha was later removed in the 1800s by scholars concerned about contradictions and whether the books were divinely inspired. The KJV is textually connected to the Textus Receptus, and resources like the King James Bible Dictionary exist to clarify its content, covering topics such as Strong’s Numbers.

    In modern technology, Site Reliability Engineering (SRE) embodies a structured approach to maintaining complex systems, focusing on reliability as the “most fundamental feature of any product”. SRE, which originated from asking a software engineer to design an operations team, caps operational work (toil)—defined as manual, repetitive work that scales linearly—at 50% of an engineer’s time to ensure focus on engineering projects. Core SRE principles include managing service risk using error budgets, employing automation to maximize consistency and reduce costs, and utilizing distributed consensus algorithms like Paxos and Chubby to manage critical state reliably across failures. Monitoring is essential, prioritizing actionable alerts (immediate human intervention) and classifying outputs clearly (Alerts, Tickets, Logging). These practices, particularly preparedness, postmortem analysis, and automation, align with fundamental lessons learned across other high-reliability industries, such as the nuclear navy, defense, and aviation.

    Source #01: Site Reliability Engineering edited by Betsy Beyer, Chris Jones, Jennifer Petoff, and Niall Richard Murphy

    Source #02: Contribution of the King James Bible to the English Language – International Journal of Applied Research

  • The Architecture of Eternity

    The Architecture of Eternity

    Freemasonry’s Moral OS and the Birth of Human Reliability

    This episode of The Cab Call traces the long arc of Masonic history as if it were the version-history of humanity’s oldest moral operating system. Instead of treating the Craft as a museum of rituals, we explore it as a living reliability framework—prophecy, practice, and interpretation—evolving over thousands of years to keep human beings resilient in a world full of entropy.

    We move from the prophetic era, where symbols like the Cube and Square encoded universal laws of stability, through the great operative builders who carried those laws through collapsing empires and dark ages. The Comacine Masters, the Roman Collegia, the cathedral architects—all appear not as quaint historical footnotes but as early maintainers of an ethical architecture designed to produce both strong buildings and strong men.

    The episode follows the rise of Speculative Masonry, when the craft stopped building cathedrals and began building character instead, and culminates with the 1717 Grand Lodge—the moment Masonry became a universal, non-sectarian system for producing “Good men and True.” Across the entire journey, we frame the fraternity as a blueprint for human reliability engineering: an attempt to harmonize fallible people with immutable moral laws the same way an engineer harmonizes fallible systems with physical ones.

    It’s an episode about continuity across collapse, symbols that outlast empires, and why an ancient institution built for stoneworkers still feels modern in an era of distributed systems and digital drift.

    Source #1: The Builders. A Story and Study of Masonry by Joseph Fort Newton, Litt. D.

  • The Trestle-board and the SLO

    The Trestle-board and the SLO

    Join us as we uncover how the timeless lessons of structure, planning, and meticulous refinement, taught within the degrees of the Entered Apprentice, Fellow Craft, and Master Mason, are utilized by modern Site Reliability Engineers (SREs). These lessons are crucial for designing, deploying, and maintaining reliable computing systems.

    What You Will Learn:
     – The Blueprint for Reliability: Adherence to Design. Discover how SREs apply the principles of the Trestle-board (used by the Master-workman to draw his designs) to their infrastructure. We discuss the foundational importance of explicit planning, focusing on translating business goals into measurable Service Level Objectives (SLOs). The goal is to build a “spiritual building” (the reliable service) that achieves figure, strength, and beauty.
     – Refining the Rough Ashlar: Eliminating Toil. Learn how the SRE mandate to eliminate toil directly mirrors the builders’ transition from the Rough Ashlar (representing a crude, imperfect state) to the Perfect Ashlar (a stone ready by the hands of the workmen). Toil is the manual, repetitive, automatable work that lacks enduring value and scales linearly with service growth. SREs dedicate their time to engineering work (at least 50% of their focus) to write software that replaces this manual labor, ensuring staff scales sublinearly with system size.
     – Searching for Truth: Mastery Through Failure. The diligent worker must search to the foundations of knowledge to find the Truth buried under error. We explore SRE’s commitment to rigorous self-assessment, particularly through blameless postmortems following significant incidents. This practice is essential for finding the root causes of failures, improving systems, and making the organization more resilient as a whole.
     – The Discipline of the Craft: Understand the emphasis SRE places on high standards for workmanship and conduct. Just as the craft requires “virtuous education”, SREs prioritize continuous learning and structured training, including studying the liberal ARTS AND SCIENCES, to master the complexity of distributed systems. We look at how practicing mental discipline, combined with preparation exercises like disaster role-playing, aids in maintaining rational, focused, and deliberate cognitive functions during emergencies.
    This episode demonstrates that whether erecting physical edifices or building the world’s largest cloud services, success hinges on meticulous execution, relentless refinement, and an unwavering commitment to quality and Fidelity.

    Source #1: Duncan’s Masonic Ritual & Monitor (1866) by Malcom C. Duncan

    Source #2: Site Reliability Engineering edited by Betsy Beyer, Chris Jones, Jennifer Petoff, and Niall Richard Murphy