--- title: "Kamran Ali (@atechguide) | Hashnode" description: "Principal Engineer @Atlassian. Read the latest articles by Kamran Ali on Hashnode." url: "https://hashnode.com/@atechguide" --- @atechguide # Kamran Ali @atechguide · India · Joined May 2022 Principal Engineer @Atlassian [Website](https://atech.guide/) ### [Scaling Caching at Etsy: A Story of handlings 1,000,000's of lookups / sec](https://atech.guide/consistent-hashing-cache-smearing-etsy?utm_source=hashnode&utm_medium=feed) How Consistent Hashing and Cache Smearing Handle Millions of Lookups per Second 4 min read · [atech.guide](https://atech.guide/consistent-hashing-cache-smearing-etsy?utm_source=hashnode&utm_medium=feed) [Sep 1, 2024](https://hashnode.com/posts/consistent-hashing-cache-smearing-etsy/66d479a24f0331e97652f135) ### [Mastering Database Scalability: Figma's Approach to Vertical Partitioning Database Explained](https://atech.guide/database-scaling-vertical-partitioning-figma?utm_source=hashnode&utm_medium=feed) A Deep Dive into How Figma Strategically Vertically Partitioned Their Database to Improve Performance 5 min read · [atech.guide](https://atech.guide/database-scaling-vertical-partitioning-figma?utm_source=hashnode&utm_medium=feed) [Aug 30, 2024](https://hashnode.com/posts/database-scaling-vertical-partitioning-figma/66d1bc8fb9a5c9032c83e4ce) ### [From Spark to Ray: Amazon's $120MM/year Cost-Saving Journey](https://atech.guide/amazon-spark-to-ray-migration?utm_source=hashnode&utm_medium=feed) How Amazon's BDT team tackled Exabyte-Scale Data Processing and Achieved Massive Efficiency Gains 4 min read · [atech.guide](https://atech.guide/amazon-spark-to-ray-migration?utm_source=hashnode&utm_medium=feed) [Aug 28, 2024](https://hashnode.com/posts/amazon-spark-to-ray-migration/66cf234666a971d495ccec6e) ### [How Reddit Achieved 100k Reads/Sec for Media Metadata](https://atech.guide/how-reddit-achieved-100k-reads-persec-for-media-metadata?utm_source=hashnode&utm_medium=feed) Lessons from Reddit's System Design to Ace Your Next Interview 3 min read · [atech.guide](https://atech.guide/how-reddit-achieved-100k-reads-persec-for-media-metadata?utm_source=hashnode&utm_medium=feed) [Aug 26, 2024](https://hashnode.com/posts/how-reddit-achieved-100k-reads-persec-for-media-metadata/66cc6e317d5f587417ebe0ec) ### [How Discord Stores Trillions of Messages](https://atech.guide/how-discord-stores-trillions-of-messages?utm_source=hashnode&utm_medium=feed) Discord's Secret Weapon: The Tech Behind Trillion-Message Storage 2 min read · [atech.guide](https://atech.guide/how-discord-stores-trillions-of-messages?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/how-discord-stores-trillions-of-messages/66cc07fb6ab461be1c85517e) [Aug 26, 2024](https://hashnode.com/posts/how-discord-stores-trillions-of-messages/66cc07fb6ab461be1c85517e)