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Hi there šŸ‘‹

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

  • ā› Iā€™m currently working on BBoxDB - a distributed key-bounding-box-value database for multi-dimensional data implemented from scratch.

  • šŸ”­ 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.

  • šŸŒ You can find more about my and my projects on my website

  • šŸ“« How to reach me: [email protected]

  • āš” 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.

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Jan Nidzwetzki's Projects

bboxdb icon bboxdb

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 addition, data streams are supported.

berlinmodplayer icon berlinmodplayer

BerlinMod Player is a tool that creates a stream of coordinate updates from BerlinMod data. The tool can be used to benchmark geo-spatial stream processing sytems.

bitfinex-v2-wss-api-java icon bitfinex-v2-wss-api-java

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.

changed-files icon changed-files

:octocat: Github action to retrieve all (added, copied, modified, deleted, renamed, type changed, unmerged, unknown) files with support for push and pull request events.

chrootfs icon chrootfs

chrootfs is a virtual filesystem for chroot environments. The project implements a lighweight FUSE FS overlay over a exsting filesystem.

cpp-driver icon cpp-driver

DataStax C/C++ Driver for Apache Cassandra http://datastax.github.io/cpp-driver/

crypto-bot icon crypto-bot

This repository contains a crypto currency trading bot. The bot implements some strategies (donchian, ema, atr) and works on the Bitfinex crypto currency exchange.

docs icon docs

The open-source repo for docs.github.com

mysql-ha-cloud icon mysql-ha-cloud

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, and backups.

pg_debug_scan icon pg_debug_scan

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

pgrx icon pgrx

Build Postgres Extensions with Rust!

pic icon pic

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).

pigeon icon pigeon

A spatial extension to Pig Latin

saslpolicyd icon saslpolicyd

Policy Daemon for Postfix. Detects the abuse of SASL accounts.

secondo icon secondo

The SECONDO database (Read-Only CVS mirror)

sleepuntil icon sleepuntil

A program that sleeps until a certain time is reached

spatialhadoop2 icon spatialhadoop2

The second generation of SpatialHadoop that ships as an extension

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