How to prevent data loss in Elasticsearch?
Six practical solutions to improve data reliability: improve number of replicas, snapshot and restore, RAID, MQ, etc.
Making Backward-Compatible Schema Changes in MongoDB
How to add or remove a field from a Mongo collection without breaking the production?
Feature Flag: Making Your Application More Reliable
How to make your web application more reliable with feature flags?
Create A Throttler In Java
What is throttling and how to write a simple throttler in Java.