Posts

All the articles I've posted.

• System Design - How Apache Kafka Works

  16 Apr, 2026

  How Apache Kafka works internally: the distributed commit log, partitions, replication with ISR, producer batching, consumer groups, zero-copy transfer, and source code walkthrough from the apache/kafka repository.

• LeetCode 49 Group Anagrams

  16 Apr, 2026

  Solutions for LeetCode 49, medium, tags: array, hash table, string, sorting.

• LeetCode 155 Min Stack

  16 Apr, 2026

  Solutions for LeetCode 155, medium, tags: stack, design.

• System Design - How gRPC Works

  15 Apr, 2026

  How gRPC works under the hood: Protocol Buffers serialization, HTTP/2 framing, the four RPC patterns (unary, server streaming, client streaming, bidirectional), channel and transport architecture, interceptors, and a source code walkthrough from the grpc/grpc-go repository.

• LeetCode 238 Product of Array Except Self

  15 Apr, 2026

  Solutions for LeetCode 238, medium, tags: array, prefix sum.

• LeetCode 560 Subarray Sum Equals K

  15 Apr, 2026

  Solutions for LeetCode 560, medium, tags: array, hash table, prefix sum.