Johannes Lichtenberger

I'm working on an Open Source temporal NoSQL document storage system called SirixDB written in Java (and a module in Kotlin) in my spare time.

Germany Joined on Dec 26, 2018 https://sirix.io

Education

MSc Information Engineering

Johannes Lichtenberger

Oct 1 '21

Hacktoberfest: Contribute to our temporal database system

#hacktoberfest #database #java #kotlin

1 min read

Hacktoberfest 2021 Guide and Resources!

Would be awesome, happy to help you getting into the project ...

Oct 5 '21

Hacktoberfest 2021 Guide and Resources!

I'm working on a temporal data store in my spare time (curren...

Oct 5 '21

Hacktoberfest 2021 is Here 🎃

You're invited to work on a database system, tailored to stor...

Oct 1 '21

Svelte now has an accessible drag and drop library

Excellent, we have an open Hacktoberfest issue where we envis...

Oct 3 '20

First ever Post on DEV🔥

Wohoo, keep contributing :-)

Oct 2 '20

Practice your Svelte skills during Hacktoberfest 👩‍💻👨‍💻

I've made a very good experience with Hacktoberfest contribut...

Oct 1 '20

Practice your Svelte skills during Hacktoberfest 👩‍💻👨‍💻

Looking forward to your contributions :-)

Oct 1 '20

Hacktoberfest: 69 Beginner-Friendly Projects You Can Contribute To

Thanks a lot for mentioning SirixDB. Indeed we have a lot of ...

Sep 30 '20

View all 134 comments

Johannes Lichtenberger

Oct 13 '20

Contributors wanted: Practice your Svelte and TypeScript skills 👩‍💻👨‍💻

#contributorswanted #opensource #webdev #svelte

2 min read

Johannes Lichtenberger for SirixDB

Oct 7 '20

Create a Rust-Client during Hacktoberfest

#contributorswanted #hacktoberfest #rust #rest

1 min read

Johannes Lichtenberger for SirixDB

Oct 6 '20

Query the full history of your JSON database

#contributorswanted #hacktoberfest #java #database

7 min read

Johannes Lichtenberger for SirixDB

Oct 4 '20

Contribute to An Evolutionary Database System during #Hacktoberfest (technology stack: Java, Kotlin, Vert.x)

#hacktoberfest #contributorswanted #java #kotlin

1 min read

Johannes Lichtenberger for SirixDB

Sep 30 '20

Practice your Svelte skills during Hacktoberfest 👩‍💻👨‍💻

#hacktoberfest #svelte #webdev #typescript

29 4

2 min read

Johannes Lichtenberger

Sep 28 '20

A Hacktoberfest Project for Java/Kotlin Backend and Svelte/Typescript Frontend developers 👩‍💻👨‍💻

#showdev #hacktoberfest #webdev #contributorswanted

3 min read

Johannes Lichtenberger

Sep 18 '20

Help to build an evolutionary, accumulate-only Database System

#hacktoberfest #opensource #database

6 1

1 min read

Johannes Lichtenberger

Sep 8 '20

Best way to be able to spend more time on an Open Source project?

#discuss #help #opensource

10 2

1 min read

Johannes Lichtenberger

Aug 31 '20

VLDB 2020 (very large databases conference) for free

#database

1 min read

Johannes Lichtenberger

Aug 20 '20

Source of an Van Emde Boas Tree Layout for Binary Search Trees

#help #discuss

1 min read

Johannes Lichtenberger

Aug 19 '20

How to prepare for Hacktoberfest as a project owner?

#discuss #database

1 min read

Johannes Lichtenberger

Feb 24 '20

Blake3 Crytopgrahic Hash Function / Java Implementation?

#discuss #java

3 3

1 min read

Johannes Lichtenberger

Feb 16 '20

What are the advantages/disadvantages of memory mapped files for a DBMS?

#discuss #help

2 min read

Johannes Lichtenberger

Feb 8 '20

Rolling, secure hashes for nodes in a tree / How to reduce on-disk space consumption?

#help #discuss #java #kotlin

1 min read

Johannes Lichtenberger

Feb 3 '20

What interesting stuff are you working on?

#discuss

5 8

1 min read

Johannes Lichtenberger

Dec 25 '19

Designing a Novel Temporal Database Storage Engine for Byte-Addressable Non-Volatile Memory

#showdev #database #kotlin

6 2

8 min read

Johannes Lichtenberger

Dec 21 '19

Using Apache Kafka for horizontal scaling of a temporal document store?

#discuss #database #kotlin #java

2 min read

Johannes Lichtenberger

Dec 12 '19

What was your biggest win this year?

#discuss

8 10

1 min read

Johannes Lichtenberger

Dec 2 '19

GraphQL for PostgreSQL - Why?

#discuss #postgres #database #graphql

11 18

1 min read

Johannes Lichtenberger

Nov 20 '19

Something similar to #Hacktoberfest for Supporting Open Source projects?

#discuss #opensource #contributorswanted #hacktoberfest

1 min read

Johannes Lichtenberger

Nov 17 '19

How to Implement Nuxt.js/Vue.js OAuth2 Authentication With an External REST-API Server (based on Vert.x/Kotlin) and Keycloak 🐬

#vue #javascript #typescript #kotlin

83 13

8 min read

Johannes Lichtenberger

Nov 14 '19

Building a Frontend for a Temporal Document Store Together (Vue.js Composition API, Nuxt.js, TypeScript, D3.js) 👩‍💻👨‍💻

#contributorswanted #vue #typescript #javascript

7 min read

Johannes Lichtenberger

Nov 12 '19

Java Fibers (Project Loom) vs. Kotlin Coroutines...

#discuss #java #kotin

5 6

1 min read

Johannes Lichtenberger

Oct 23 '19

OAuth2 auth with Nuxt.js/Vue.js (frontend), Vert.x (backend for BL) and Keycloak (auth server) 👩‍💻👨‍💻

#help #hacktoberfest #vue #contributorswanted

11 11

2 min read

Johannes Lichtenberger

Oct 19 '19

SirixDB Roadmap 🎃🎉

#discuss #hacktoberfest #contributorswanted #kotlin

6 2

1 min read

Johannes Lichtenberger

Oct 18 '19

Vue.js OAuth2 authentication / Backend: Vert.x, Auth server is Keycloak

#hacktoberfest #contributorswanted #vue

1 min read

Johannes Lichtenberger

Oct 11 '19

Mixing Kotlin and Java in a single module of a multi-module Maven or Gradle project

#discuss #kotlin #java

1 min read

Johannes Lichtenberger

Oct 9 '19

#Hacktoberfest / Issue with Nuxt.js, TypeScript and Element-UI

#discuss #hacktoberfest #contributorswanted #typescript

7 4

1 min read

Johannes Lichtenberger

Oct 9 '19

#Hacktoberfest / Testing a Test-Setup for a temporal REST-API

#help #hacktoberfest #contributorswanted #docker

6 8

1 min read

Johannes Lichtenberger

Oct 4 '19

Building a web frontend with Vue.js v3, Typescript and D3.js during #Hacktoberfest together

#vue #typescript #d3 #hacktoberfest

20 7

1 min read

Johannes Lichtenberger

Oct 4 '19

Help with maven multi-module project / Java module system (with a PR)

#help #discuss #java #hacktoberfest

1 min read

Johannes Lichtenberger

Oct 3 '19

Thank you so much, for all the #Hacktoberfest contributions so far 🎃🎉

#hacktoberfest #contributorswanted #opensource

1 min read

Johannes Lichtenberger

Oct 1 '19

Working on a Versioned, Temporal NoSQL Document Store During Hacktoberfest 👩‍💻👨‍💻

#help #hacktoberfest #contributorswanted

3 min read

Johannes Lichtenberger

Sep 26 '19

Searching Contributors (Hacktoberfest) / Open Source project (SirixDB) / building a Vue.js and D3.js frontend

#help #hacktoberfest #contributorswanted #showdev

6 10

5 min read

Johannes Lichtenberger

Sep 25 '19

Searching Contributors / Open Source project (SirixDB) / building a Vue.js and D3.js frontend

#help #hacktoberfest #contributorswanted #discuss

4 min read

Johannes Lichtenberger

Sep 21 '19

Apache Pulsar vs. Apache Kafka

#discuss #java #distributedsystems #kotlin

1 min read

Johannes Lichtenberger

Sep 18 '19

Help speeding up website / Mobile View

#help #webdev #html #javascript

7 20

1 min read

Johannes Lichtenberger

Sep 14 '19

Thoughts on GraphQL and REST / JSONiq

#discuss #webdev #graphql #javascript

1 min read

Johannes Lichtenberger

Sep 12 '19

Vue.js or React with D3?

#discuss #javascript #typescript #react

7 1

1 min read

Johannes Lichtenberger

Sep 12 '19

Move Java-project to Kotlin

#help #refactorit #discuss #java

10 2

1 min read

Johannes Lichtenberger

Sep 8 '19

Manage metadata in JSON (for instance for visualizations)

#discuss #json #java

1 min read

Johannes Lichtenberger

Sep 7 '19

Version Your Database / Future Directions

#discuss #database #kotlin #java

2 min read

Johannes Lichtenberger

Sep 6 '19

In-Memory Performance for Big Data

#discuss #java #database #kotlin

1 min read

Johannes Lichtenberger

Sep 4 '19

Processing.js

#discuss #javascript #help

13 16

1 min read

Johannes Lichtenberger

Sep 2 '19

SirixDB: Importance of Efficiently Retaining the History of Your Data

#showdev #database #kotlin #help

5 min read

Johannes Lichtenberger

Sep 1 '19

Looking for Open Source contributors (and users :-))

#showdev #java #database #json

3 min read

Johannes Lichtenberger

Aug 31 '19

CSS help needed to improve documentation

#css #styles #html

4 4

1 min read

Johannes Lichtenberger

Aug 28 '19

SirixDB - Architecture of an Evolutionary, Temporal Database System

#versioning #json #nosql #database

7 min read

Johannes Lichtenberger

Aug 18 '19

A Guide to SirixDB

#json #versioning #nosql #database

1 min read

Johannes Lichtenberger

May 4 '19

Sirix - Released 0.9.1 (time travel queries and versioning made easy)

#versioning #json #xml #vertx

1 min read

Johannes Lichtenberger

May 3 '19

Asynchronous, Temporal REST With Vert.x, Keycloak and Kotlin Coroutines

#json #rest #asynchronous #coroutines

1 min read

Johannes Lichtenberger

Apr 23 '19

Separating Key Concerns in Query Processing - Set Orientation, Physical Data Independence, and Parallelism

#database #data #query #xquery

1 min read

Johannes Lichtenberger

Apr 23 '19

Pushing Database Versioning to its Limits

#json #xml #versioning #diffing

1 min read

Johannes Lichtenberger

Apr 20 '19

ANN: Version 0.9.0 of Sirix.io - efficient versioning of XML and JSON data / supports time-travel queries and diffing

#showdev #xml #json #temporal

2 min read

Johannes Lichtenberger

Apr 15 '19

Sirix.io - NoSQL document store which efficiently retains the history of your XML and JSON data and allows time-travel queries

#showdev #json #xml #versioning

3 min read

Johannes Lichtenberger

Jan 6 '19

Pushing Database Versioning to Its Limits by Means of a Novel Sliding Snapshot Algorithm and Efficient Time Travel Queries

#versioning #copyonwrite #database #xml

1 min read

Johannes Lichtenberger

Jan 6 '19

How we built a RESTful API with Vert.x, Kotlin Coroutines and Keycloak

#kotlin #coroutines #vertx #keycloak

1 min read

Johannes Lichtenberger

Dec 27 '18

SirixDB - a temporal, versioned storage sytem -- http://sirix.io

#versioning #diffing #xml

1 min read

DEV Community is a community of 850,636 amazing developers

SirixDB

Recent comments

Hacktoberfest 2021 Guide and Resources!

Hacktoberfest 2021 Guide and Resources!

Hacktoberfest 2021 is Here 🎃

Svelte now has an accessible drag and drop library

First ever Post on DEV🔥

Practice your Svelte skills during Hacktoberfest 👩‍💻👨‍💻

Practice your Svelte skills during Hacktoberfest 👩‍💻👨‍💻

Hacktoberfest: 69 Beginner-Friendly Projects You Can Contribute To