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Juncheng Yang
Personal blog · blog.jasony.me/system/cachesystemsdata
Juncheng Yang's personal blog at blog.jasony.me covers systems and data. Since 2023, 5 different Hacker News readers have linked it 5 times, most often “FIFO Is Better Than LRU: The Power of Lazy Promotion and Quick Demotion”. It is still writing: the last post was on 2026-08-16, and you can follow it by feed.
Too few sampled comments (1) to say how often HN recommends it.?
Why HN links it
One comment links these posts for notes on implementing lock-free FIFO queues, tied to the S3-FIFO cache eviction work. No outside praise or criticism of the writing appears in the thread.
Summarised by Claude from a sample of 1 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
Juncheng Yang writes about storage systems, cache design, machine-learning infrastructure, and the practice of systems research.
Most-linked posts?
- FIFO Is Better Than LRU: The Power of Lazy Promotion and Quick Demotion3 people · 3 mentions · first linked 2024-04-07
What Hacker News says?
1. I wrote a bit on how to implement lock-free FIFO queues here https://blog.jasony.me/system/cache/2023/12/28/fifo , let me know if any part is not clear or not correct. Moving an object from the small queue to the main queue can be viewed as two operations: evicting the item from the small queue and inserting it into the main queue. 2. I am not criticizing the design decision in Caffeine. It is good because most p…
Comment linking /system/cache/2023/12/28/fifo
on “Otter, Fastest Go in-memory cache based on S3-FIFO algorithm”Submitted FIFO queues are all you need for cache eviction as a story · 4 points
HN discussionSubmitted FIFO Is Better Than LRU: The Power of Lazy Promotion and Quick Demotion as a story · 3 points
HN discussionSubmitted FIFO Is Better Than LRU: The Power of Lazy Promotion and Quick Demotion as a story · 2 points
HN discussionSubmitted FIFO Is Better Than LRU: The Power of Lazy Promotion and Quick Demotion as a story · 2 points
HN discussion