Sysadmin Tools 🇺🇦
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Sysadmin/DevOps tools, news and other interesting things from modern IT world.
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We replaced Redis with MySQL for inventory reservations—and it scaled

https://shopify.engineering/scaling-inventory-reservations

#mysql #redis #shopify
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Nanotdb

Single-binary observability, time-series database, and built-in dashboard for Raspberry Pi, edge devices, and local metrics.


https://github.com/aymanhs/nanotdb

#timeseries #db #monitoring #observability
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Warpgate

Fully transparent SSH, HTTPS, Kubernetes, MySQL and Postgres bastion/PAM that doesn't need additional client-side software.


https://github.com/warp-tech/warpgate

#wireguard #ssh #security #firewall #vpn
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Deploying k3s on Hetzner Cloud on Private Network with Cluster Autoscaling

https://community.hetzner.com/tutorials/deploy-k3s-on-hetzner-with-autoscaling

#k8s #kubernetes #k3s #hetzner #cloud
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From ClickHouse to RocksDB: How We Rebuilt Solana’s Archival Layer

https://www.helius.dev/blog/migrating-from-clickhouse-to-rocksdb

#clickhouse #rockdb
Forwarded from Max K
We’re excited to introduce opensource vmestimator, a new component in the VictoriaMetrics ecosystem.

vmestimator measures metrics cardinality across arbitrary label dimensions and exposes the results as Prometheus-compatible metrics. It helps to understand where cardinality comes from, track how it evolves over time, and build early-warning alerts before cardinality becomes a problem.

If you’re operating Prometheus-compatible monitoring systems and want realtime visibility into metric cardinality, give vmestimator a try. We’d love to hear your feedback and learn more about your use cases.

Read more about its design and configuration in the documentation, or explore it yourself in the playground.
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ArcadeDB

Multi-Model Database, one DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Vector Embeddings.


https://github.com/ArcadeData/arcadedb

#observability #monitoring #logs #metrics #tsdb #sql #nosql
PgDog

PgDog is a proxy for scaling PostgreSQL. It supports connection pooling, load balancing queries and sharding entire databases. Written in Rust, PgDog is fast, secure and can manage thousands of connections on commodity hardware.


https://github.com/pgdogdev/pgdog

#postgres #sql #proxy #database #rust
Introducing kiac: Real Kubernetes Nodes on Your Mac, Each Its Own Lightweight VM

https://blog.kubesimplify.com/introducing-kiac-kubernetes-in-apple-containers

#k8s #kubernetes #containers
Postgres Is Enough

A curated directory of PostgreSQL extensions and tools that can replace specialized databases. Before adding Redis, Elasticsearch, Kafka, or MongoDB to your stack, see what Postgres can do.


https://github.com/agoodway/postgresisenough

#postgres #redis #kafka #analytics #api #search #database #nosql #mongodb
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Cerberus

Cerberus lets you keep your metrics, logs, and traces in ClickHouse and go on querying them from Grafana with PromQL, LogQL, and TraceQL — as if Prometheus, Loki, and Tempo were still doing the work.

https://github.com/tsouza/cerberus

#observability #monitoring #prometheus #clickhouse #loki #grafana #otel #opentelemetry
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Tune in to the Q2 VictoriaMetrics Virtual Meetup Live 🤨

🗓 July 16th at 5 pm GMT / 6 pm CEST / 9 am PDT
📍https://www.youtube.com/live/E9DauzMUSO8

Agenda:
🟣 VictoriaMetrics Roadmap Update
🌎 Community Story by Kirill Kobylianskii from Trade Republic:
"Running VictoriaMetrics and Mimir Side by Side at ~100M active series"
🚀 Anomaly Detection & Cloud
🧵 VictoriaTraces Roadmap Update
☁️ VictoriaMetrics Cloud Updates
📌 VictoriaLogs Roadmap Updates
🫂 Community News + AMA

Don't miss the chance to learn, ask questions, and connect with the VictoriaMetrics community😉
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Sysadmin Tools 🇺🇦 pinned «Tune in to the Q2 VictoriaMetrics Virtual Meetup Live 🤨 🗓 July 16th at 5 pm GMT / 6 pm CEST / 9 am PDT 📍https://www.youtube.com/live/E9DauzMUSO8 Agenda: 🟣 VictoriaMetrics Roadmap Update 🌎 Community Story by Kirill Kobylianskii from Trade Republic:…»
Databasement

Self-hosted database backup manager with a web UI. Schedule, backup, and restore MySQL, PostgreSQL, MariaDB, Microsoft SQL Server, MongoDB, SQLite & Redis to S3, SFTP, or local storage. SSH Tunnel support.


https://github.com/David-Crty/databasement

#backup #databases #postgresql #mysql #mongodb #s3 #mssql #redis