https://blog.incfly.org/Recent content on Incfly ThoughtsHugoen-usSun, 16 Aug 2026 21:27:33 +0000https://blog.incfly.org/2026-08-immense-world-unmeasurable-umwelt/Sun, 16 Aug 2026 21:27:33 +0000https://blog.incfly.org/2026-08-immense-world-unmeasurable-umwelt/An Immense World 写了很多动物的感官：狗怎样闻到时间，鸟怎样看见紫外线，海豹怎样从水流中摸到几分钟前游过的鱼。https://blog.incfly.org/immense-word-colorfulworld-rgb-projection/Sun, 16 Aug 2026 21:09:14 +0000https://blog.incfly.org/immense-word-colorfulworld-rgb-projection/《An Immense World》第三章 “Rurple, Grurple, Yurple” 时留下的一则笔记。那一章谈动物的颜色视觉，我最想弄明白的是：鸟多一种锥细胞，究竟多看见了什么？https://blog.incfly.org/2026-08-computer-history-museum/Mon, 10 Aug 2026 06:01:56 +0000https://blog.incfly.org/2026-08-computer-history-museum/这次去 Computer History Museum，体会到了对于计算量的需求远远早于电子计算机的发明，人们解决这一问题有很多发明。这次也很幸运看到了IBM 1401大型的演示过程。https://blog.incfly.org/2026-08-folsom-powerhouse/Sun, 09 Aug 2026 20:45:47 +0000https://blog.incfly.org/2026-08-folsom-powerhouse/这个周末从太浩湖回来，路上经过 Folsom，我们顺便去看了那里的老水电站。本来只想随便逛一圈，没想到从水轮机、调速器到变压器都保留得很完整，我也趁机了解了一下水力发电和早期交流输电是怎么回事。 这座电站 1895 年开始运行，四台发电机一共 3 MW，升压到 11,000 伏后，把电送到 22 英里外的萨克拉门托。https://blog.incfly.org/2026-03-time-at-clickhouse/Sun, 31 May 2026 04:37:53 +0000https://blog.incfly.org/2026-03-time-at-clickhouse/Back then in 2022, I was interested in learning how to build SaaS products on cloud infrastructure. I joined ClickHouse and spent three and a half years there, had a great time. Put down some notes of what I learned.https://blog.incfly.org/2026-04-greek-trip-2-classic-greek/Sun, 19 Apr 2026 03:49:36 +0000https://blog.incfly.org/2026-04-greek-trip-2-classic-greek/走完克里特和迈锡尼文明，这次我们这次回到雅典，游览卫城和广场，看黄金时代的希腊人是如何生活。来之前我对希腊的理解大概是雅典为主的民主城邦，诞生了苏格拉底这样的哲学家。但旅途中文物景点都反复提及时代，有了点细化的理解。https://blog.incfly.org/2026-04-greek-trip-1-crete-and-mycenae/Mon, 13 Apr 2026 03:53:34 +0000https://blog.incfly.org/2026-04-greek-trip-1-crete-and-mycenae/希腊旅游归来，从克里特、迈锡尼、古典时期的希腊，几千年的历史，不一样性格的文明。这一篇我们专注于克里特和迈锡尼文明。https://blog.incfly.org/2026-02-chinese-immigrants-in-california/Sun, 08 Feb 2026 04:30:14 +0000https://blog.incfly.org/2026-02-chinese-immigrants-in-california/Recently, while preparing for a topic on Chinese culture and the Lunar New Year, I researched the history of early Chinese immigrants. I learned so much that I felt compelled to document and share these stories more broadly.https://blog.incfly.org/database-queue-getting-the-semantics-right/Fri, 30 Jan 2026 04:34:19 +0000https://blog.incfly.org/database-queue-getting-the-semantics-right/We often have a pattern of database writes combined with a message queue. But ensuring correctness is hard.https://blog.incfly.org/2026-01-mushroom-walk/Sun, 11 Jan 2026 04:08:12 +0000https://blog.incfly.org/2026-01-mushroom-walk/Mushroom walk with MSSF foraging activity, I didn&rsquo;t find anything edible, others found some chantereles and black trumpet on the way back. but a fun event and a nice place to hike!https://blog.incfly.org/2025-12-hawaii-kilauea-volcano-eruption/Fri, 26 Dec 2025 22:15:10 +0000https://blog.incfly.org/2025-12-hawaii-kilauea-volcano-eruption/Hawaii Big Island Kilauea volcano has been periodically erupt for a year since 2024. We made a last minute to go after the eruption. The rarity to see a geological move, to see experience a lava dance from distance safely, is so fulfilling. This is a lifetime experience.https://blog.incfly.org/2025-11-lanzarote/Sat, 08 Nov 2025 14:47:21 +0000https://blog.incfly.org/2025-11-lanzarote/西北非的一个离岸小岛，从天空上的看下去，荒山曼地，寸草不生，被造物主遗弃的火山岛。怎么都没想到，lanzorote，会这么惊喜、迷人。https://blog.incfly.org/parallelize-clickhouse-aggregation-merge-for-fixed-hash-map/Mon, 13 Oct 2025 18:11:16 +0000https://blog.incfly.org/parallelize-clickhouse-aggregation-merge-for-fixed-hash-map/The idea is simple but learned a lot of ClickHouse aggregation, so want to jot it down.https://blog.incfly.org/book-review-the-barron-on-the-tree/Mon, 06 Oct 2025 03:45:18 +0000https://blog.incfly.org/book-review-the-barron-on-the-tree/第一次读可能是接近十年以前，印象不深，这次重新捡起来说来也巧。老舍的《骆驼祥子》看了一半都很纳闷：就这，为什么是经典？和当语文老师的我妈交流，她说的倒很潇洒，很正常现代中国文学好东西不多。然后就把这本重新捡起来看了。https://blog.incfly.org/2025-09-07-sf-botanical-garden-visit/Thu, 11 Sep 2025 05:36:46 +0000https://blog.incfly.org/2025-09-07-sf-botanical-garden-visit/Visited SF botanical garden for reaping off the benefits of memership. Lots of findings!https://blog.incfly.org/2025-09-09-foster-city-dawn-bird-watching/Wed, 10 Sep 2025 03:03:56 +0000https://blog.incfly.org/2025-09-09-foster-city-dawn-bird-watching/只有看过之后才发现这么种类细节https://blog.incfly.org/2024-12-maui/Tue, 02 Sep 2025 01:30:47 +0000https://blog.incfly.org/2024-12-maui/去年12月去的夏威夷茂伊岛，这篇真的拖的太久了，赶紧整理一下。https://blog.incfly.org/cilium-in-eks-and-vpc-peering/Tue, 02 Sep 2025 00:09:38 +0000https://blog.incfly.org/cilium-in-eks-and-vpc-peering/I recently need to setup VPC peering across different EKS clusters. We use Cilium with routing-mode: native. When debugging connectivity issue I refreshed my understanding of how Cilium work in EKS and what needs to be configured in our cases.https://blog.incfly.org/2025-08-24-rodeo-beach-hike/Sun, 31 Aug 2025 01:50:15 +0000https://blog.incfly.org/2025-08-24-rodeo-beach-hike/We went to Rodeo Beach area and hiked along the costal trail loop. Along 5 miles trail landscape started from lagoon and beach, changed to hills over sea view, and merged in the foggy ridge trails. It&rsquo;s wonderful place with lots of birds near lagoon. And we evhttps://blog.incfly.org/2025-07-seattle-wastewater-treatment-tour/Sun, 03 Aug 2025 04:54:31 +0000https://blog.incfly.org/2025-07-seattle-wastewater-treatment-tour/When traveling in Seattle recently, I had an opportunity to tour wastewater treatment at King County west point site. The tour is informative and well-organized. After the tour, I got much more understanding the complexity of an often taken for granted aspecthttps://blog.incfly.org/2025-seattle-museum-of-flight-wright-brothers/Thu, 31 Jul 2025 00:28:53 +0000https://blog.incfly.org/2025-seattle-museum-of-flight-wright-brothers/We visited Musuem of Flight July 29, 2025. Luckily a public free tour guide was available by then and it was a wonderful experience. This post is focused on Wright Brothers story. While everyone knows their success, the narrative is so personal and approchablehttps://blog.incfly.org/ebpf-lru-map-cache-thrashing/Sun, 22 Jun 2025 03:20:08 +0000https://blog.incfly.org/ebpf-lru-map-cache-thrashing/A interesting exploration of eBPF LRU maphttps://blog.incfly.org/2025-05-scotland-highland/Sat, 17 May 2025 04:47:59 +0000https://blog.incfly.org/2025-05-scotland-highland/A trip to UK Scotland highland in a day trip. Very rewarding.https://blog.incfly.org/2025-04-golden-gate-botanical-garden-visit/Fri, 18 Apr 2025 17:41:00 +0000https://blog.incfly.org/2025-04-golden-gate-botanical-garden-visit/SF botanical garden visiting notes.https://blog.incfly.org/2025-04-bay-area-gngt/Mon, 14 Apr 2025 05:20:26 +0000https://blog.incfly.org/2025-04-bay-area-gngt/这周末去南湾看了两个加州本地植物的花园，一个叫GNGT的活动。https://blog.incfly.org/global-history-after-1500/Sat, 01 Feb 2025 19:27:49 +0000https://blog.incfly.org/global-history-after-1500/最近旅途路上看完了这本《全球通史 下》，非常推荐。好的历史书要解决两个任务：清晰的叙述历史本身, what happened; 和有立场观点的解读，而不是让历史成为冗长的细节堆砌。全球通史完美的做到了这一点。https://blog.incfly.org/2025-01-beijing-national-museum/Sat, 11 Jan 2025 15:16:39 +0000https://blog.incfly.org/2025-01-beijing-national-museum/这次回去，取道北京，看了国博，略记一二https://blog.incfly.org/2024-11-17-el-corte-de-madera-creek/Mon, 18 Nov 2024 05:27:04 +0000https://blog.incfly.org/2024-11-17-el-corte-de-madera-creek/Afternoon hike in the park.https://blog.incfly.org/l4-load-balancer/Sat, 02 Nov 2024 22:07:30 +0000https://blog.incfly.org/l4-load-balancer/Starting from eBPF use case, saw this CloudFlare Unimog Blog, a L4 TCP load balancer. Unimog solves very similar issue as I did in ClickHouse.https://blog.incfly.org/google-photo-to-immich-migration/Sat, 26 Oct 2024 18:52:12 +0000https://blog.incfly.org/google-photo-to-immich-migration/Put down some notes about how I migrate from Google Photos to Immich.https://blog.incfly.org/2024-10-singapore-japan-travel/Tue, 22 Oct 2024 15:12:24 +0000https://blog.incfly.org/2024-10-singapore-japan-travel/<p>十月份公司出差，去了新加坡，大概一个星期不到，顺带回了趟上海，再和家人去日本逛了几天。</p> <p>旅行的好处在于隔一段时间提醒其他生活形式，对比自己的生活状态。</p>https://blog.incfly.org/about/Tue, 22 Oct 2024 14:43:14 +0000https://blog.incfly.org/about/This website is for incfly to put down his random thoughts.