til

Today I Learned

This repository serves as a collection of things learned by people working in AGSX. TIL entries are short, straightforward posts on things we learn day to day, regardless of technology or programming language.

Apache Ranger

• Ambari Managed Ranger Will Auto-Generate Services

Celery

• Getting Started with Celery

Hadoop: HDFS

• What is HDFS
• Ensuring Free Disk Space on Data Node Directories
• Aggressiveness of NameNode in Block Replication
• Setting Log Level of HDFS Filesystem Shell

Hadoop: PIG vs HIVE

• PIG vs HIVE

Hadoop: YARN

• Container Spawn Problems with YARN
• General Overview of YARN

HBase

• Introduction on HBase

Pig

• Basic Pig

Java

• Reading and Using JStat to Read Java Heap Usage and Java GC
• Getting JMap Outputs

Ansible

• Using YAML Notation in Writing Tasks
• Ansible OS X El Capitan installation issues

Networking

• Debugging using TCPDump for Client-Server Problem

Python

• Learning Python
• Python Functions
• String Formatting
• Python Basic File Manipulation

Django

• About Django

SQLite3

• Basic SQLite3

Contributing

If you want to share your learnings for today, please check out CONTRIBUTING.md

License

Check the LICENSE file