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75 followers · 75 following

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Achievement: Pair Extraordinairex2Achievement: Pull Sharkx3Achievement: YOLOAchievement: QuickdrawAchievement: Arctic Code Vault ContributorAchievement: Starstruck
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Achievements

Achievement: Pair Extraordinairex2Achievement: Pull Sharkx3Achievement: YOLOAchievement: QuickdrawAchievement: Arctic Code Vault ContributorAchievement: Starstruck
BetaSend feedback

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  • Pro

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@timescale @secondo-database
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jnidzwetzki/README.md

Hi there 👋

Website ReserchGate Google Scholar LinkedIn Mail

I am Jan, a software developer and computer scientist with a focus on distributed databases and distributed systems.

  • ⛁ I’m currently working on BBoxDB - a distributed key-bounding-box-value database for multi-dimensional data implemented from scratch.

  • 🔭 In addition, I work actively on PostgreSQL Lock Tracer - a tool collection to gain deep insights into PostgreSQL's locking activities and troubleshoot performance-related issues.

  • 🌍 You can find more about my and my projects on my website

  • 📫 How to reach me: jnidzwetzki@gmx.de

  • ⚡ Fun fact: My first installed Linux Distribution was a SuSE 6.1 (Kernel 2.2.6) in 1999, and my first computer was a Pentium 1 with 100 MHz and 16 MB RAM running Windows 95.

📝 Latest Blog posts

✅ Statistics

Pinned

  1. bboxdb bboxdb Public

    BBoxDB is a scalable, highly available, and distributed data store for multi-dimensional big data. The software supports operations like multi-dimensional range queries and spatial joins. In additi…

    Java 50 8

  2. bitfinex-v2-wss-api-java bitfinex-v2-wss-api-java Public

    This project provides a Java client library for the Bitfinex WebSocket API (v2). Public and private channels (candles, ticks, executed trades, (raw) orderbooks, orders, and wallets) are implemented.

    Java 89 55

  3. pic pic Public

    This project contains some assemby code for 8-bit PIC microcontroller (e.g., a driver for seven-segment leds or a driver for a ultrasonic sensor).

    Assembly 1

  4. mysql-ha-cloud mysql-ha-cloud Public

    This container image provides a highly available and replicated MySQL installation in Kubernetes or Docker Swarm. Consul, ProxySQL, and XtraBackup are used for leader election, load distribution, a…

    Python 35 15

  5. pg-lock-tracer pg-lock-tracer Public

    A eBPF based lock tracer for the PostgreSQL database

    Python 121 14

  6. pg_debug_scan pg_debug_scan Public

    PostgreSQL extension to debug table scans. The extension is intended to illustrate MVCC in PostgreSQL.

    Rust 5