Sysadmin Tools 🇺🇦

Incident Report: Spotify Outage on April 16, 2025 https://engineering.atspotify.com/2025/05/incident-report-spotify-outage-on-april-16-2025 #spotify #outage #incident

MySQL Query Optimization with Releem https://vladmihalcea.com/mysql-query-optimization-releem #mysql #performance

How I Enhanced Loki to Support Petabyte-Scale Log Queries https://honganan.github.io/2025/03/07/How-I-Enhanced-Loki-to-Support-Petabyte-Scale-Log-Queries #logs #observability #loki

VictoriaMetrics Components: Getting Started https://victoriametrics.com/blog/victoriametrics-getting-started #monitoring #observability #victoriametrics #opentelemetry

brush

bash/POSIX-compatible shell implemented in Rust

https://github.com/reubeno/brush #shell #bash #rust #posix

How to Extend Percona Monitoring and Management to Add Logging Functionality https://www.percona.com/blog/how-to-extend-percona-monitoring-and-management-to-add-logging-functionality #logs #observability #monitoring #percona #pmm #loki #victorialogs

Cloud Snitch

Map visualization and firewall for AWS activity, inspired by Little Snitch for macOS.

https://github.com/ccbrown/cloud-snitch #aws #firewall #cloud #monitoring #cloudtrail

OpenTelemetry traces to Parquet: the good and the good https://www.parseable.com/blog/opentelemetry-traces-to-parquet-the-good-and-the-good #traces #monitoring #observability #opentelemetry

The Day Anubis Saved Our Websites From a DDoS Attack https://fabulous.systems/posts/2025/05/anubis-saved-our-websites-from-a-ddos-attack #ai #ddos #anubis #monitoring

VictoriaMetrics : Effective alerts, from theory to practice https://blog.ogenki.io/post/series/observability/alerts #monitoring #observability #victoriametrics

The better alternative to Graphite monitoring tool https://valyala.medium.com/the-better-alternative-to-graphite-monitoring-tool-60874e67f422 #monitoring #observability #graphite #prometheus #influxdb #victoriametrics

The talks from KubeCon Europe 2025 are now available on YouTube. This playlist features 379 videos. Note that recordings from the co-located events have not yet been uploaded, but they will be there by the end of this week. Currently, you can find the videos from ArgoCon (34 talks) and Cloud Native Telco Day (11 talks) only. Finally, the event graphical snapshot highlighting its main stats — such as the record-setting 12418 overall attendees for KubeCon — is attached to this post. #events #video

Two decades of Git: A conversation with creator Linus Torvalds https://www.youtube.com/watch?v=sCr_gb8rdEI #git #github #gitlab #vcs

Audit Log metrics

This app parses audit log and sends them to VictoriaMetrics. Grafana dashboard is rendering stats derived from those to find noisy apps or requests taking too much time.

https://github.com/vrutkovs/audit-log-stats #k8s #kuberenetes #grafana #victorialogs #logs

How We Migrated Terabytes of Metrics from InfluxDB to Grafana Mimir: A Complete Observability Overhaul https://www.cloudraft.io/blog/influxdb-to-grafana-mimir-migration #influxdb #mimir #grafana #monitoring #observability

Meet

Open source alternative to Google Meet and Zoom powered by LiveKit: HD video calls, screen sharing, and chat features. Built with Django and React.

https://github.com/suitenumerique/meet #meet #google #zoom #opensource

ProxLB – Version 1.1.0 of the Advanced Loadbalancer for Proxmox Clusters is Ready https://www.credativ.de/en/blog/credativ-inside/proxlb-version-1-1-0-of-the-advanced-loadbalancer-for-proxmox-clusters-is-ready #proxmox #kvm

Grepping logs remains terrible https://chronicles.mad-scientist.club/tales/grepping-logs-remains-terrible #logs #victorialogs

I've operated petabyte-scale ClickHouse clusters for 5 years

I've been operating large ClickHouse clusters for years. Here's what I've learned about architecture, storage, upgrades, config, testing, costs, and ingestion.

https://www.tinybird.co/blog-posts/what-i-learned-operating-clickhouse #clickhouse #s3 #zookeeper

The Infra to handle 10M Requests in 10 Minutes for $0.0116 https://tonywang.io/blog/infra-10m-requests-10-minutes-0.0116 #aws #hetzner #rackspace #cloudflare