Hi, I'm NaumanDevOps & Cloud Engineer
I design and build cloud infrastructure for a living, and write about system design and distributed systems in my free time. Welcome to my corner of the internet!
Latest Articles
Deep dives into system design and cloud architecture
Leaderless Replication: Quorums, Chaos, and Cassandra
No leader. No followers. Any node can accept any write. Amazon's Dynamo pioneered this radical approach, and it powers some of the world's largest systems. But without a leader, how do you know what the 'true' value is?
Multi-Leader Replication: When One Leader Isn't Enough
Your users are in Tokyo, London, and New York. A single leader means trans-Pacific latency on every write. Multi-leader replication solves this... but introduces the nightmare of write conflicts.
Problems with Replication Lag: The Consistency Nightmare
You update your profile photo, refresh the page... and your old photo stares back at you. You post a comment, scroll down... and it vanishes. Welcome to replication lag.
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