Subreddits similar to r/hadoop

31k subs

146k subs

News, Technical discussions, research papers and assorted things of interest related to the Java programming language NO programming help, NO learning Java related questions, NO installing Java questions, NO JVM languages!
https://reddit.com/r/java/

r/apachespark

4k subs

Articles and discussion regarding anything to do with Apache Spark.
https://reddit.com/r/apachespark/

r/scala

27k subs

https://reddit.com/r/scala/

r/datascience

147k subs

A place for data science practitioners and professionals to discuss and debate data science career questions.
https://reddit.com/r/datascience/

r/Database

23k subs

https://reddit.com/r/Database/

r/MachineLearning

769k subs

https://reddit.com/r/MachineLearning/

r/devops

112k subs

https://reddit.com/r/devops/

r/aws

88k subs

News, articles and tools covering Amazon Web Services (AWS), including S3, EC2, SQS, RDS, DynamoDB, IAM, CloudFormation, Route 53, CloudFront, Lambda, VPC, Cloudwatch, Glacier and more.
https://reddit.com/r/aws/

r/Python

419k subs

news about the dynamic, interpreted, interactive, object-oriented, extensible programming language Python
https://reddit.com/r/Python/

r/compsci

618k subs

Computer Science Theory and Application. We share and discuss any content that computer scientists find interesting. People from all walks of life welcome, including hackers, hobbyists, professionals, and academics.
https://reddit.com/r/compsci/

r/programming

2m subs

Computer Programming
https://reddit.com/r/programming/

r/datasets

74k subs

A place to share, find, and discuss Datasets.
https://reddit.com/r/datasets/

r/linuxadmin

134k subs

Expanding Linux SysAdmin knowledge
https://reddit.com/r/linuxadmin/

r/netsec

327k subs

A community for technical news and discussion of information security and closely related topics.
https://reddit.com/r/netsec/

r/docker

71k subs

[Docker](http://www.docker.io) is an open-source project to easily create lightweight, portable, self-sufficient containers from any application. The same container that a developer builds and tests on a laptop can run at scale, in production, on VMs, bare metal, OpenStack clusters, public clouds and more.
https://reddit.com/r/docker/

r/linux

423k subs

All things Linux and GNU/Linux -- this is neither a community exclusively about the kernel Linux, nor is exclusively about the GNU operating system.
https://reddit.com/r/linux/

r/SQL

44k subs

The goal of /r/SQL is to provide a place for interesting and informative SQL content and discussions.
https://reddit.com/r/SQL/

r/golang

87k subs

Gophers of the world unite!
https://reddit.com/r/golang/

r/kubernetes

29k subs

Kubernetes discussion, news, support, and link sharing.
https://reddit.com/r/kubernetes/

r/sysadmin

374k subs

A reddit dedicated to the profession of Computer System Administration.
https://reddit.com/r/sysadmin/

r/elasticsearch

6k subs

Links and discussion for the open source, Lucene-based search engine [Elasticsearch](https://www.elastic.co/products/elasticsearch). Our Code of Conduct - https://www.elastic.co/community/codeofconduct - applies to all interactions here :)
https://reddit.com/r/elasticsearch/

r/startups

364k subs

The place to discuss startup problems and solutions. Startups are companies that are designed to grow and scale rapidly. Join the /r/startups Discord: https://discord.gg/gRuh2pS
https://reddit.com/r/startups/

r/django

59k subs

https://reddit.com/r/django/

r/javascript

688k subs

All about the JavaScript programming language!
https://reddit.com/r/javascript/

r/ansible

17k subs

Automation for the People! A Subreddit dedicated to fostering communication in the Ansible Community.
https://reddit.com/r/ansible/

r/BusinessIntelligence

30k subs

Business Intelligence is the process of utilizing organizational data, technology, analytics, and the knowledge of subject matter experts to create data-driven decisions via dashboards, reports, alerts, and ad-hoc analysis.
https://reddit.com/r/BusinessIntelligence/

r/tableau

19k subs

Tableau makes software for data analysis and visualization that is easy to use and produces beautiful results. /r/Tableau is a place to share news and tips, show off visualizations, and get feedback and help.
https://reddit.com/r/tableau/

r/statistics

84k subs

This is a subreddit for discussion on all things dealing with statistical theory, software, and application. We welcome all researchers, students, professionals, and enthusiasts looking to be a part of an online statistics community.
https://reddit.com/r/statistics/

r/AZURE

24k subs

https://reddit.com/r/AZURE/