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Working from home
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Working from home
107 followers · 88 following

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Achievement: Starstruckx2Achievement: Pair Extraordinairex2Achievement: Pull Sharkx3Achievement: YOLOAchievement: QuickdrawAchievement: Arctic Code Vault Contributor

Achievements

Achievement: Starstruckx2Achievement: Pair Extraordinairex2Achievement: Pull Sharkx3Achievement: YOLOAchievement: QuickdrawAchievement: Arctic Code Vault Contributor

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@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.

  • ⛁ I’m currently working on PostgreSQL Lock Tracer - a tool collection to gain deep insights into PostgreSQL's locking activities and troubleshoot performance-related issues.

  • 🎓 Previously, I was active in database research and have created systems like BBoxDB or Distributed SECONDO

  • 🌍 You can find more about me 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

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  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 58 9

  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 91 53

  3. pg-lock-tracer pg-lock-tracer Public

    An eBPF based lock tracer for PostgreSQL

    Python 165 21

  4. pg_debug_scan pg_debug_scan Public

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

    Rust 7

  5. pg_plan_alternatives pg_plan_alternatives Public

    An eBPF based query planning tracer for PostgreSQL

    Python 35 3

  6. planexplorer planexplorer Public

    Plan Explorer is a web application for visualizing PostgreSQL query plans

    TypeScript 25 2