https://tuanhiep.github.io/principal/tags/concurrency/Recent content in Concurrency on Tuan Hiep TRAN — The Principal CraftHugo -- 0.162.1en-usFri, 01 May 2026 00:00:00 +0000https://tuanhiep.github.io/principal/posts/series_4/1.the_illusion_of_non_blocking_and_thread_starvation/Fri, 01 May 2026 00:00:00 +0000https://tuanhiep.github.io/principal/posts/series_4/1.the_illusion_of_non_blocking_and_thread_starvation/When 5% CPU utilization meets 503 Service Unavailable. Dissecting the cost of waiting and the quantitative failure of hybrid execution models.https://tuanhiep.github.io/principal/posts/series_3/2.concurrency_collapse_thread_starvation/Sat, 18 Apr 2026 00:00:00 +0000https://tuanhiep.github.io/principal/posts/series_3/2.concurrency_collapse_thread_starvation/Asynchronous frameworks do not eliminate latency; they merely shift the bottleneck. We dissect how a single blocking I/O call inside a reactive pipeline can trigger a catastrophic thread starvation event.https://tuanhiep.github.io/principal/posts/series_2/2.turning_postgresql_into_a_lock_free_queue/Thu, 02 Apr 2026 00:00:00 +0000https://tuanhiep.github.io/principal/posts/series_2/2.turning_postgresql_into_a_lock_free_queue/How to resolve massive database lock contention without deploying Kafka. We explore Quantitative Capacity, the Law of Non-Blocking Acquisition, and the SKIP LOCKED paradigm.