S(Subhashish (Subh) Bhattacharjeeinbytefreak.dev·Mar 4 · 9 min readHigh-Watermark in Distributed Systems: A Deep Dive with Apache KafkaLet me start with a simple question. When a producer sends a message to Kafka, the leader broker writes it down to its local disk and sends the acknowledgment back. Is this considered done and availab00
S(Subhashish (Subh) Bhattacharjeeinbytefreak.dev·Feb 11 · 3 min readWhen Bloom Filters Fail: False Positives, Memory Trade-offs, Production LessonsIn my previous article, Bloom Filter: Definitely No, Probably Yes, we saw that a Bloom filter acts like a ‘magic’ toolbox to perform quick operations on large datasets to determine whether a value is certainly not in the set. However, this 'definitel...00
S(Subhashish (Subh) Bhattacharjeeinbytefreak.dev·Feb 3 · 5 min readBloom Filter: Definitely No, Probably YesIn large-scale distributed systems, knowing what you don’t have is often more valuable than knowing what you do. Let’s understand with a practical example. Imagine you are building a recommendation engine for a blogging site like Hashnode or Medium, ...00
S(Subhashish (Subh) Bhattacharjeeinbytefreak.dev·Jan 22 · 4 min readConcurrency vs. Parallelism: A Coffee Shop Guide for DevelopersIf you ask ten developers to explain the difference between concurrency and parallelism, you might get ten slightly different answers. It’s one of those fundamental concepts that is easy to grasp abstractly but tricky to visualize in practice. To und...00
S(Subhashish (Subh) Bhattacharjeeinbytefreak.dev·May 28, 2025 · 8 min readFrom Modulo to Consistent Hashing: Optimizing Distributed Storage🔥 Ever tried scaling a single database past its limits? You’ll quickly encounter massive rebalance storms and downtime. While a single-server setup might handle initial workloads easily, expanding to tens or hundreds of millions of users demands dis...00
