Tushar Choudhary.

SDE @ Syfe. I build low-latency, robust financial trading and payment systems that move money across continents, and write about the internals underneath them.

Recent writing Archive · 11

01 Sep 27, 2026 · 15 min Index this, index that. How does Kafka do it?Almost every Kafka topic runs with index.interval.bytes at its default, and the docs tell you not to worry … 15 min read 02 Sep 20, 2026 · 14 min The batch is the unit: what Kafka actually writes to diskKafka's API hands you one message at a time, so it's natural to assume one message is what gets stored. It … 14 min read 03 Sep 15, 2026 · 8 min Three stores, two cursors: where an SSE consumer should resumeEvery SSE guide ends at Last-Event-ID: resume from the last id you saw. That's correct for one failure mode, … 8 min read 04 Aug 15, 2026 · 7 min Camel sorts your URI parameters, except when it doesn'tApache Camel normalises endpoint URIs by sorting query parameters, so param order shouldn't matter. It does if … 7 min read 05 Jun 14, 2026 · 4 min How jemalloc solves SMP — simplifiedA simplified explanation of how jemalloc's arenas and thread caches solve the SMP scalability problem that … 4 min read 06 Jul 8, 2024 · 2 min Week 6 with GSoCThe sixth week was mainly focused on improving the code structure as well as implementation of the … 2 min read

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