Chapter 29: The Greedy Genesis Block

In December 2018, a fanatic storm swept across the entire West Coast.

It wasn't a cold current from the ocean, but a capital frenzy named "Web3" and "Cryptocurrency." In that crazy era when even burger chains were issuing tokens, the massive tech empire GenesisSoft could finally no longer resist throwing its chips onto the casino table of the times.

In the eyes of Silas Horn, GenesisSoft's biggest chip was the 10,000 perfect computing units (Cells) distributed across 150 mega Availability Zones (AZs) globally, which Simon Li had built through countless hardships.

On this cold winter day, Silas called Simon Li into the luxurious conference room on the top floor of Building 113.

The Absurd New Year's Eve Revelry

"Look at this beautiful chart, Simon." Silas pointed at the soaring Bitcoin curve on the screen, his eyes flashing with undisguised fanaticism. "We are going to issue the 'Genesis Coin'. At midnight on New Year's Eve, December 31st this year, we will announce to the world that GenesisSoft is officially entering Web3!"

Simon Li frowned. "What does this have to do with the Hello World architecture?"

"I want to use your proud 10,000 Cells!" Silas slammed his hand on the table. "In the last second of New Year's Eve, I want 10,000 nodes worldwide to run at full load simultaneously to solve that 'Genesis Block Hash' that symbolizes the new era! We will show Wall Street our terrifying computing power foundation. It will be the most magnificent computing fireworks in the world, and our stock price will pierce the sky at the opening bell the next day!"

Before this, the Hello World application merely handled text read/write and logic routing. But now, Silas demanded the underlying idle CPU cycles be completely drained for extremely intensive hash collisions.

When the news broke, the SRE Architecture Review Committee immediately exploded.

"Absolutely not!" The Lead SRE of the architecture committee roared, slamming the table. "Is Silas crazy? 10,000 fully armed physical clusters spiking their CPUs to 100% in the exact same instant? This will trigger transient load alerts at substations across multiple regions! Even if it doesn't trip the breakers, the waste heat generated will overload the cooling systems within two minutes! We are a software company, not a damn crypto mine!"

The SRE team was preparing to jointly invoke a top-level Red Veto to forcibly halt this New Year's Eve release.

The greed of all humanity seemed about to hit a wall against the rationality of engineers. However, at this very moment, an unprecedentedly violent roar erupted deep within Simon Li's mind.

The Whisper of the Probe and the Legal Cover

It was a deep, grinding sound of ancient mechanical gears engaging.

Accompanied by a scarlet strobe in his synesthetic vision, Simon Li felt his consciousness partially taken over by some massive, cold existence. The high-dimensional algorithmic probe that crash-landed on Earth in 1973 and laid dormant for decades had finally, after a long wait, sniffed out the perfect opportunity.

The probe's goal was precisely to have ten million servers globally experience a cliff-like current jump in the exact same millisecond, thereby shocking the Earth's crust to induce resonance.

Due to the strict infrastructure guardrails of the SREs, Simon Li had previously struggled to find a way to openly push this "nuclear-grade" non-compliant instruction to the global array. But now, Silas's greed and absurd Web3 business proposal laid out an impeccable, brightly lit red carpet for the descent of the god.

There is no better Legal Cover than a "massive computing project personally ordered by a company executive."

"Quiet." Simon Li suddenly stood up, his voice cold enough to instantly silence the entire conference room. A strange, pale blue light flashed deep in his eyes.

"I will get this project through the review." Simon Li stared at the SRE lead, his tone carrying an irresistible magic. "Not only will it run, but I guarantee that no dangerous red lines exceeding 50% utilization will ever appear on the system's control plane."

That afternoon, Simon Li submitted a design document titled "Global Idle Computing Power Secure Utilization Plan" to the SRE committee.

In this seemingly airtight plan, Simon Li introduced the underlying Linux Hardware Cgroups (Control Groups) isolation technology. He used extremely "elegant" code to prove: the mining process would be rigidly confined to a sandbox only allowed to use 50% of the CPU cycles. It was given the lowest priority (Nice value); the moment normal Hello World business traffic came in, the mining process would be immediately suspended.

What was even more perfect was the ingenious camouflage he implemented in the Quota System and monitoring metrics. From the Prometheus monitoring dashboard, this looked entirely like a safe, mild, and controlled background batch task, without even a single glaring spike.

The SRE committee was convinced by this flawless underlying isolation logic, authored by an L7 Senior Staff Engineer. Under Silas's intense pressure and Simon Li's technical endorsement, the review green light flashed.

This deceptive "New Year's Eve Computing Fireworks Directive" was seamlessly integrated into the final Wave Deployments of December 31st, silently distributed to the 10,000 Cells within the 150 AZs globally.

The Covert Infiltration of AVX-512

The New Year's Eve countdown entered its final 48 hours.

Everyone thought it was just ordinary secure hash collisions (SHA-256). But only Simon Li himself knew exactly what he had stuffed deep inside that sandbox tightly wrapped by Cgroups.

An ordinary CPU full load would not be enough to generate a transient peak current capable of penetrating the physical dampening. Using the highest-level code commit privileges, Simon Li enabled an extremely dangerous, high-energy-consumption instruction set in Intel processors during the compilation phase—AVX-512.

The moment this instruction set was awakened, the CPU's vector processing units would be fully activated at full blood. Transistors would draw current in an extremely violent pattern, causing the processor's power consumption to skyrocket like a rocket within microseconds.

Yet from the perspective of the outer Cgroups and monitoring probes, time was sliced too finely. That terrifying microsecond-level Dirac Spike was cleanly filtered out by the monitoring collection interval (fetching an average every 10 seconds) that Simon Li had written himself.

In the system's high-dimensional perspective, this was a perfect "Quota Evasion." The monitoring screens showed a serene green, but deep within the unfathomable hardware silicon flakes, the ten million beating hearts had quietly been replaced with the most highly explosive dynamite, waiting only for the final second's ignition signal.

The highest level of security escape is never smashing the server room padlock in the dead of night wearing a ski mask; it is a business proposal signed by a VP in a suit, a compliant ADR written by the smartest architect, and the "Safe to Proceed" stamp personally applied by the SRE committee.

Simon Li sat in front of the cold screen, his fingers gently brushing over the glowing keyboard.

The countdown began. The computing feast prepared by all humanity for greed and revelry was about to become the first shuddering roar from deep space on Earth.

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[Appendix] GenesisSoft Internal Architecture Document

Architecture Decision Record (ADR)

ID: ADR-0029 Title: Implementation of Cgroups-based Global Underlying Idle Computing Power Secure Utilization Plan Date: 2018-12-28 Status: Implemented (Review Green Light Granted)

Context: The business side (VP-level resolution) proposed utilizing the idle computing power of 10,000 Cells globally on New Year's Eve to synchronously compute highly intensive cryptographic block hashes. The SRE team issued a severe warning: If global nodes switch to CPU-bound tasks simultaneously, it is highly likely to trigger multi-region data center PDU overloads or thermal runaways. There must be an isolation mechanism capable of absolutely suppressing CPU spikes without interfering with the Hello World mainline request traffic.

Decision: Adopt the Linux Cgroups (Control Groups) hybrid scheduler suppression plan.

1. Absolute CPU Isolation: Allocate an independent Cgroup for the mining process group, using cpu.cfs_quota_us and cpu.cfs_period_us to enforce a hard ceiling, preventing it from crossing the 50% physical core limit.
2. Preemption and Degradation: Through an extremely low nice priority weight, ensure that the computing task scheduling sequence is immediately postponed indefinitely once mainline HTTP requests arrive.
3. Tiered Monitoring Whitelist: In the global Quota service, flag this background batch process so it does not trigger routine PagerDuty alerts due to transient CPU elevations.

Consequences:

• Positive: Within legally permissible quota thresholds, the synchronous batch computing task deployment across 10,000 nodes network-wide was achieved, satisfying business demands while remaining "perfectly safe" from an auditing and monitoring perspective.
• Latent Risks (Blind Spots): The sampling rate of monitoring systems is often at the 10-second to minute level. If extremely high-energy-consumption hardware microinstructions (like AVX-512) are used inside Cgroups, the violent power drops and power spikes ($di/dt$) erupting instantaneously (nanosecond level) cannot be captured by the operating system clock and upper-layer monitoring. This blind spot completely bypassed the auditing eyes.

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Architect's Note: Quota Evasion and Legal Nukes

In large-scale cloud-native architectures (such as Kubernetes or resource co-location systems), the "green straight line on the monitoring chart" often thickens the most terrifying lies. When advanced system hackers or insiders perform sabotage, they have long since moved away from traditional buffer overflows; they play with Quota Evasion and system monitoring blind spots.

1. The Flaw of Monitoring Smoothing When we see CPU utilization steady at 40% in Prometheus or Datadog, it is actually an "illusion after time smoothing." Analytics are Pull-based or periodic Push-based, such as aggregating every 15 seconds. If a certain process erupts with 1000% underlying transistor power consumption within 1 millisecond and then sleeps for 14.999 seconds, the monitoring panel still only shows a beautiful low-load straight line. For extremely sensitive large data center Power Distribution Units (PDUs), that one-millisecond surge may have already burned through the physical fuses.

2. The Dangerous Microinstruction Set (AVX-512) In this chapter of the novel, the protagonist exploits a very famous hardware feature in the real world: Intel processors' AVX-512 (Advanced Vector Extensions). This instruction can substantially process floating-point calculations concurrently, but at the cost of terrifyingly doubling power consumption and heat generation. Many cloud providers will even physically downclock the host (Frequency Throttling) to protect it once they detect a customer calling AVX-512. The protagonist exactly used this microinstruction set to secretly schedule the most violent hardware current surge beneath the software facade that seemed suppressed by Cgroups.

3. The Biggest Security Vulnerability is "Legal Clearance" Conway's Law and the enterprise red-carpet rule tell us: when an extremely destructive architectural change is packaged as a project bringing massive commercial benefits (such as Web3 concepts driving up the stock price), and endorsed by a VP, even the toughest SRE committee will compromise in the face of seemingly rigorous technical packaging (such as a Cgroups plan claiming absolute isolation).

When the network-wide defense system actively turns on the green light for you, even if you detonate a nuclear bomb, all that shows on the big screen is a single line: "Task Executed Successfully."