Hacker News headlines

2

Taming the Bias: Unbiased* Safepoint-Based Stack Walking in JFR (mostlynerdless.de)

2 months ago | tanelpoder | mostlynerdless.de | newest

3

Why does /etc/resolv.conf point at 127.0.0.53? (unix.stackexchange.com)

2 months ago | tanelpoder | stackexchange.com | newest

3

AI Is Like Outsourcing (brentozar.com)

2 months ago | tanelpoder | brentozar.com | newest

1

Spanner's Columnar Engine Unites OLTP and OLAP (cloud.google.com)

2 months ago | tanelpoder | google.com | newest

1

Not So Direct I/O (jmcph4.dev)

2 months ago | tanelpoder | jmcph4.dev | newest

3

Bash Gotchas [[ ]] vs. [ ] (linuxnews.dev)

2 months ago | tanelpoder | linuxnews.dev | newest

3

Parallelizing Linux Writeback (linuxnews.dev)

2 months ago | tanelpoder | linuxnews.dev | newest

3

Spatial Joins in DuckDB (duckdb.org)

2 months ago | tanelpoder | duckdb.org | newest

2

A proxy-execution baby step (lwn.net)

2 months ago | tanelpoder | lwn.net | newest

1

Checkpointing CUDA Applications with CRIU (2024) (nvidia.com)

2 months ago | tanelpoder | nvidia.com | newest

3

Bouncing on trampolines to run eBPF programs (bootlin.com)

2 months ago | tanelpoder | bootlin.com | frontpage

2

When to Hire a Computer Performance Engineering Team (brendangregg.com)

2 months ago | tanelpoder | brendangregg.com | newest

2

Stack traces for Postgres errors with backtrace_functions (enterprisedb.com)

2 months ago | tanelpoder | enterprisedb.com | newest

2

SFrame Stack Trace Format (sourceware.org)

2 months ago | tanelpoder | sourceware.org | newest

2

Diagnose and mitigate PostgreSQL lock manager contention (amazon.com)

3 months ago | tanelpoder | amazon.com | newest

1

Off-CPU Profiling (polarsignals.com)

3 months ago | tanelpoder | polarsignals.com | newest

2

Containerlab: Container-based networking labs with custom topologies (github.com/srl-labs)

3 months ago | tanelpoder | github.com | frontpage

2

Devfiler: Universal Profiling as a Desktop App (github.com/elastic)

3 months ago | tanelpoder | github.com | newest

1

Self-Driving Postgres (postgres.ai)

3 months ago | tanelpoder | postgres.ai | newest

1

The Pg_meminfo Postgres Extension (github.com/bonesmoses)

3 months ago | tanelpoder | github.com | newest

2

Nvidia Bringing CUDA to RISC-V (phoronix.com)

3 months ago | tanelpoder | phoronix.com | newest

2

Java Async Profiler manual by use cases (2022) (krzysztofslusarski.github.io)

3 months ago | tanelpoder | github.io | newest

1

AsyncProfiler 4.1 with OpenTelemetry profiling signal support (github.com/async-profiler)

3 months ago | tanelpoder | github.com | newest

3

Dynamic Speculative End of File Preallocation in XFS (oracle.com)

3 months ago | tanelpoder | oracle.com | newest

2

SnapBPF: Exploiting eBPF for Serverless Snapshot Prefetching [pdf] (acm.org)

3 months ago | tanelpoder | acm.org | newest

2

Outer Joining with ANSI SQL-89 and SQL-92 (salvis.com)

3 months ago | tanelpoder | salvis.com | newest

2

Accessing new kernel features from Python (lwn.net)

3 months ago | tanelpoder | lwn.net | newest

1

eBPF: Connecting with Container Runtimes (h0x0er.github.io)

3 months ago | tanelpoder | github.io | newest

2

Fast, reliable configuration distribution to workload containers at scale (datadoghq.com)

3 months ago | tanelpoder | datadoghq.com | frontpage

1

A Survey and Evaluation of Database Management System Extensibility [pdf] (vldb.org)

3 months ago | tanelpoder | vldb.org | newest

1

DuckLake v0.2 (duckdb.org)

3 months ago | tanelpoder | duckdb.org | newest

2

Comet 3I/Atlas (nasa.gov)

3 months ago | tanelpoder | nasa.gov | frontpage

4

Traceroute Lies. A Typical Misinterpretation of Output (2017) (movingpackets.net)

3 months ago | tanelpoder | movingpackets.net | newest

1

Digging into Intel Flat Memory Mode for CXL Memory (intel.com)

3 months ago | tanelpoder | intel.com | newest

18

Copper is Faster than Fiber (2017) [pdf] (arista.com)

3 months ago | tanelpoder | arista.com | frontpage

1

Application-Oblivious Diagnosis with Strace (fadaiganjaliyev.com)

4 months ago | tanelpoder | fadaiganjaliyev.com | newest

1

DuckDB 1.4 will support producing Polars Lazy Dataframes (github.com/duckdb)

4 months ago | tanelpoder | github.com | newest

2

Arrow-Powered Log Parser (github.com/tfmv)

4 months ago | tanelpoder | github.com | newest

2

SQL Plan Execution FlameGraphs with Loop and Row Counts (tanelpoder.com)

4 months ago | tanelpoder | tanelpoder.com | newest

27

Zed Debugger (zed.dev)

4 months ago | tanelpoder | zed.dev | frontpage

2

The SRE Report 2025 Survey by Catchpoint (catchpoint.com)

4 months ago | tanelpoder | catchpoint.com | newest

1

A collection of sample agents built with Agent Development (ADK) (github.com/google)

4 months ago | tanelpoder | github.com | newest

41

Builder.ai did not "fake AI with 700 engineers" (pragmaticengineer.com)

4 months ago | tanelpoder | pragmaticengineer.com | frontpage

1

SnakeViz: An in-browser Python profile viewer (github.com/jiffyclub)

4 months ago | tanelpoder | github.com | newest

2

AWS open sourcing pgactive: active-active replication extension for PostgreSQL (amazon.com)

4 months ago | tanelpoder | amazon.com | newest

1

Anthropic Teams Use of Claude Code [pdf] (anthropic.com)

4 months ago | tanelpoder | anthropic.com | newest

5

Some CUDA code examples with READMEs (github.com/drkennetz)

4 months ago | tanelpoder | github.com | frontpage

3

An Arrow Flight SQL Server with DuckDB or SQLite back-end execution engines (github.com/gizmodata)

4 months ago | tanelpoder | github.com | frontpage

1

Visualizing Database Query Optimizer Plan and Cost Search Space (2005) [pdf] (vldb.org)

4 months ago | tanelpoder | vldb.org | frontpage

1

Exploring Postgres SQL plan execution "expected" vs. "actual" metrics visually (jnidzwetzki.github.io)

4 months ago | tanelpoder | github.io | newest

13

Welcome to the age of $10/month Lakehouses (tobilg.com)

4 months ago | tanelpoder | tobilg.com | frontpage

10

Catbench Vector Search Demo Has Postgres SQL Throughput, Latency Monitoring Now (tanelpoder.com)

5 months ago | tanelpoder | tanelpoder.com | frontpage

121

Systems Correctness Practices at Amazon Web Services (acm.org)

5 months ago | tanelpoder | acm.org | best

1

Flame Charts: The Time-Aware Sibling of Flame Graphs (polarsignals.com)

5 months ago | tanelpoder | polarsignals.com | newest

1

Modern AI Infrastructure: Performance Landscape (dsovlk.github.io)

5 months ago | tanelpoder | github.io | newest

2

Understanding Cost Models (2020) (justinjaffray.com)

5 months ago | tanelpoder | justinjaffray.com | newest

1

How to debug large, distributed systems: Antithesis (2024) (pragmaticengineer.com)

5 months ago | tanelpoder | pragmaticengineer.com | newest

2

Immutability Changes Everything (2016) (acm.org)

5 months ago | tanelpoder | acm.org | newest

1

Nginx Tutorial: Using OpenTelemetry Tracing to Understand Microservices (2023) (f5.com)

5 months ago | tanelpoder | f5.com | newest

1

Conventional Commits (conventionalcommits.org)

5 months ago | tanelpoder | conventionalcommits.org | newest

1

ScubaDuck is a reimplementation of Meta's Scuba front end query interface (github.com/ezyang)

5 months ago | tanelpoder | github.com | newest

1

SDR-RDMA: Software-Defined Reliability Architecture for Planetary Scale RDMA (arxiv.org)

5 months ago | tanelpoder | arxiv.org | newest

1

SDR-RDMA: Software-Defined Reliability Architecture for Planetary Scale RDMA (arxiv.org)

5 months ago | tanelpoder | arxiv.org | newest

3

Toto: Time-Series-Optimized Transformer for Observability (github.com/datadog)

5 months ago | tanelpoder | github.com | newest

1

Using DuckDB databases as lightweight Data Lake access layer (tobilg.com)

5 months ago | tanelpoder | tobilg.com | newest

34

Direct TLS can speed up your connections (marc-bowes.com)

5 months ago | tanelpoder | marc-bowes.com | best

2

Insights into DeepSeek-V3: Scaling Challenges on Hardware for AI Architectures (arxiv.org)

5 months ago | tanelpoder | arxiv.org | newest

5

DuckDB 1.3.0 (duckdb.org)

5 months ago | tanelpoder | duckdb.org | frontpage

1

Oxide Computer Company – Thoughts from an Outsider (rafaeldtinoco.notion.site)

5 months ago | tanelpoder | notion.site | newest

2

Nvidia Licenses NVLink Memory Ports to CPU and Accelerator Makers (nextplatform.com)

5 months ago | tanelpoder | nextplatform.com | newest

1

Proceedings of the VLDB Endowment (2024-2025) (vldb.org)

5 months ago | tanelpoder | vldb.org | newest

15

Memory Consistency Models: A Tutorial (jamesbornholt.com)

5 months ago | tanelpoder | jamesbornholt.com | frontpage

2

Airport for DuckDB (query.farm)

5 months ago | tanelpoder | query.farm | newest

3

eBPF Arena: A Tutorial (fshahinfar1.github.io)

5 months ago | tanelpoder | github.io | newest

3

Am I Online? (antonz.org)

5 months ago | tanelpoder | antonz.org | newest

3

Red Hat Enterprise Linux 10 Reaches GA (phoronix.com)

5 months ago | tanelpoder | phoronix.com | frontpage

4

Temporal: Open-source durable execution system (github.com/temporalio)

5 months ago | tanelpoder | github.com | newest

28

OpenTelemetry protocol with Apache Arrow (opentelemetry.io)

5 months ago | tanelpoder | opentelemetry.io | best

1

Claude 3.7 system prompt with all tools (github.com/asgeirtj)

5 months ago | tanelpoder | github.com | newest

1

Nvidia Sharp In-Network Computing (nvidia.com)

5 months ago | tanelpoder | nvidia.com | newest

1

A GitHub MCP Server Extension for Zed (github.com/loamstudios)

5 months ago | tanelpoder | github.com | newest

1

Incus: System container and virtual machine manager (github.com/lxc)

5 months ago | tanelpoder | github.com | frontpage

2

SoundCloud changes policies to allow AI training on user content (techcrunch.com)

5 months ago | tanelpoder | techcrunch.com | newest

1

Can It Run Doom? An Archive of All Known Ports (canitrundoom.org)

5 months ago | tanelpoder | canitrundoom.org | newest

2

Network observability using TCP handshake round-trip time (redhat.com)

5 months ago | tanelpoder | redhat.com | newest

31

eBPF Mystery: When is IPv4 not IPv4? When it's pretending to be IPv6 (gripdev.xyz)

5 months ago | tanelpoder | gripdev.xyz | frontpage

1

SparkMeasure is a tool for performance troubleshooting Apache Spark jobs (github.com/lucacanali)

5 months ago | tanelpoder | github.com | newest

1

What's New in Grafana v12.0 (grafana.com)

5 months ago | tanelpoder | grafana.com | newest

2

Pg_tracing: Distributed Tracing for PostgreSQL (github.com/datadog)

5 months ago | tanelpoder | github.com | newest

4

Achieving 11M IOPS and 66 GiB/s IO on a Single Threadripper Workstation (2021) (tanelpoder.com)

5 months ago | tanelpoder | tanelpoder.com | frontpage

1

Building Portable eBPF Programs – CO-RE (thegraynode.io)

5 months ago | tanelpoder | thegraynode.io | newest

2

SQL Plan Execution FlameGraphs with Loop and Row Counts (tanelpoder.com)

5 months ago | tanelpoder | tanelpoder.com | newest

1

LLVM-Mca – LLVM Machine Code Analyzer (llvm.org)

6 months ago | tanelpoder | llvm.org | newest

4

Optimizing eBPF I/O latency accounting when running 37M IOPS, on 384 CPUs (tanelpoder.com)

6 months ago | tanelpoder | tanelpoder.com | frontpage

6

Visual Transistor-level Simulation of the 6502 CPU (visual6502.org)

6 months ago | tanelpoder | visual6502.org | frontpage

1

My Notes on CRAQ – Chain Replication with Apportioned Queries (uds5501.github.io)

6 months ago | tanelpoder | github.io | newest

3

Searching for the cause of hung tasks in the Linux kernel (cloudflare.com)

6 months ago | tanelpoder | cloudflare.com | frontpage

4

Show HN: XCapture v3: Linux Performance Analysis with Modern eBPF and DuckDB (tanelpoder.com)

6 months ago | tanelpoder | tanelpoder.com | newest

2

Unifi Drive 2.0 with RAID 6 support apparently coming soon (reddit.com)

6 months ago | tanelpoder | reddit.com | newest

1

Rtabench: A Benchmark for Real-Time Analytics Applications (github.com/timescale)

6 months ago | tanelpoder | github.com | newest