Practical Postgres Survival Guide Published for Startup Engineers

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A technical blog post titled 'The Startup's Postgres Survival Guide' has been published by Hatchet, a software company. The guide appears to offer practical advice for startups using PostgreSQL as their database. The article was shared on Hacker News, where it received 7 points. At the time of reporting, the post had not yet generated any comments on the platform.

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Machines dominate Bitcoin's OP_RETURN data, outwriting humans 45 to 1

A full census of every OP_RETURN output on the Bitcoin blockchain, from the genesis block to block 958,893, reveals that human-readable messages have never been the majority of data written to the chain. The Runes token protocol alone, launched at the April 2024 halving, generated 171 million OP_RETURN outputs in roughly two years — about 45 times more than all human-readable messages in Bitcoin's entire history. Even at peak human activity during the BRC-20 boom era, human-readable text accounted for only 13.5% of OP_RETURN outputs. Before Runes, binary timestamping protocols like Veriblock and OMNI dominated, comprising over 98% of pre-ordinals OP_RETURN data. The findings suggest Bitcoin's data-carrier space has always been machine-driven, with the dominant user shifting from timestamping protocols to token-minting engines rather than from humans to machines.

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ProgrammingDEV Community ·

Mingxin FX100 Hits 90% Line-Rate on 100GbE, Easing LLM Inference Bottlenecks

Mingxin's FX100 all-flash NVMe-oF storage array achieved roughly 90% line-rate utilization on a single 100GbE port in benchmark tests, delivering approximately 11.25 GB/s of effective bandwidth. This figure is 60–80% higher than the sequential read speed of a typical single PCIe Gen4 NVMe drive, effectively removing the network as a primary bottleneck in LLM inference workloads. In long-context deployments involving a 480-billion-parameter model running on eight GPUs, FX100 cut median time-to-first-token by 26–32% compared to baseline storage configurations. When paired with LMCache's parallel read-patching in a single-card, 16-concurrency cold-read test using Qwen2.5-32B, TTFT dropped from 37.97 seconds to 9.30 seconds — a 4.1x improvement — while bandwidth rose 5.3x to 5.23 GB/s. The results suggest that high port utilization allows concurrent GPU requests to avoid bandwidth contention, enabling inference frameworks such as vLLM to access remote KV Cache with latency approaching that of local storage.

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ProgrammingDEV Community ·

Developer ports Rust KVM hypervisor to ARM64, resolves boot errors to run binaries

A developer working on a Rust-based KVM hypervisor documented the process of porting it to ARM64 architecture, encountering an ENOEXEC error when attempting to access CPU registers via KVM_GET_ONE_REG. Tracing the error through Linux kernel source code on Bootlin Elixir revealed that the vCPU must be initialized via KVM_ARM_VCPU_INIT before register access is permitted. To determine the correct initialization parameters, the developer used a GDB script to intercept and decode the ioctl call from a reference implementation, extracting the target value of 5 and zeroed feature flags. After implementing KVM_ARM_VCPU_INIT in Rust with these values, register get and set operations began working correctly. The developer then tackled a further issue where KVM_RUN never returned, experimenting with signal handlers to interrupt execution and retrieve register state synchronously.

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ProgrammingDEV Community ·

TypeScript 6.0 --noEmit Flag Can Cut CI Build Times by Up to 80%

TypeScript 6.0 introduces a build approach where the compiler is used solely for type-checking rather than code generation, enabled by the --noEmit flag. This configuration prevents tsc from writing output files, allowing it to complete type validation 40-60% faster by skipping transformation and file I/O. Modern bundlers like esbuild and swc, which strip TypeScript syntax 10-20 times faster than tsc transpiles, can then handle code generation in parallel. Running type-checking and transpilation concurrently in CI pipelines can reduce total build times by 60-80% without compromising type safety. The trade-off is that declaration files for libraries still require tsc output, but application builds no longer need to invoke the compiler's emit logic.

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