r/hadoop

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r/java
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/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/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/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/
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/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/
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/