This post covers essential DNS record types such as A, CNAME, AAAA, PTR, MX, NS, SRV, and TXT records. It further explains the concepts of polling vs. webhooks, differentiates API from SDK, discusses Netflix's use of Java in their microservices architecture, and provides a guide on Big O notation for writing efficient

Table of contents
8 Most Important System Design Concepts You Should KnowDNS Record Types You Should Know!Polling Vs WebhooksAPI Vs SDK!How Netflix Really Uses Java?Big O Notation 101: The Secret to Writing Efficient AlgorithmsThe Ultimate Kubernetes Command CheatsheetSPONSOR USSort: