https://www.yongjiexue.io/en/cloud/Recent content in Cloud-Exiter on Yongjie XueHugoen-USSat, 15 Aug 2026 00:00:00 +0000https://www.yongjiexue.io/en/cloud/cloud-exit-2026/Sat, 15 Aug 2026 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/cloud-exit-2026/I spent years urging people to leave the cloud. Those who listened two years ago made a killing. Leaving has never been just about savings; it is about buying back your freedom. Cost curves move. Sovereignty does not.https://www.yongjiexue.io/en/cloud/waste/Fri, 14 Aug 2026 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/waste/People who leave Big Tech are not stupid. They have simply spent too long using a rented mental map. Only after leaving the platform do they discover that the map has to be returned.https://www.yongjiexue.io/en/cloud/fastjson-boom/Fri, 31 Jul 2026 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/fastjson-boom/FastJSON has failed again. When is “ship rough, scale hard, move fast” a defensible shortcut, and when does it become an engineering habit whose bill falls to whoever comes next?https://www.yongjiexue.io/en/cloud/rds-mysql-crash/Fri, 31 Jul 2026 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/rds-mysql-crash/A reader’s RDS MySQL instance failed over twice in five days: the cloud provider’s own back-end monitoring query brought it down, and the instance failed again with the same symptoms after the provider promised to disable that collector.https://www.yongjiexue.io/en/cloud/huawei-iam/Sun, 26 Jul 2026 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/huawei-iam/Huawei Cloud confirmed abnormalities affecting some International Site accounts during a scheduled IAM upgrade window. The timing is suggestive, but the causal link remains unconfirmed.https://www.yongjiexue.io/en/cloud/aliyun-dns/Wed, 01 Jul 2026 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/aliyun-dns/Alibaba Cloud’s free DNS tier allows 100,000 queries per day—just 1.15 QPS averaged out. One throttling notice was all it took for me to move my domains to Cloudflare.https://www.yongjiexue.io/en/cloud/ali-scam/Mon, 15 Jun 2026 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/ali-scam/Scammers hijacked Qianwen’s trusted identity, then used a single Xianyu QR code to run a seamless phishing scam through official apps and trusted domains across Alibaba’s ecosystem. I hope this case helps more people avoid the same trap.https://www.yongjiexue.io/en/cloud/data-sovereignty-manifesto/Fri, 10 Apr 2026 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/data-sovereignty-manifesto/As data becomes the most important means of production in the AI age, platform lock-in and cloud dependence are rebuilding digital feudalism. This manifesto calls on us to reclaim control through open source and the ability to run our own infrastructure, so data can truly belong to its owners.https://www.yongjiexue.io/en/cloud/slack-exit/Mon, 06 Apr 2026 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/slack-exit/Slack’s Greater China shutdown is a reminder: the biggest SaaS risk is not price, but having your business continuity depend on someone else’s business decisions.https://www.yongjiexue.io/en/cloud/digoal-leave-aliyun/Thu, 02 Apr 2026 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/digoal-leave-aliyun/Alibaba Cloud’s leading PostgreSQL advocate has walked away, exposing a deeper struggle over the direction of China’s cloud database market.https://www.yongjiexue.io/en/cloud/robo-clog/Wed, 01 Apr 2026 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/robo-clog/On the night of March 31, a large number of Apollo Go robotaxis in Wuhan failed at the same time. The real concern is not merely that autonomous driving failed, but that a centrally controlled, cloud-based architecture may amplify a single-vehicle failure into a city-scale systemic risk.https://www.yongjiexue.io/en/cloud/openclaw-drama/Wed, 25 Mar 2026 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/openclaw-drama/OpenClaw v2026.3.22 was published to npm without its web console frontend and related build assets. The bigger problem is not the packaging accident itself, but the complete absence of post-install verification in the release process.https://www.yongjiexue.io/en/cloud/meituan-purge-photo/Tue, 24 Mar 2026 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/meituan-purge-photo/Many Android users reported that Meituan deleted files from their photo libraries. The bigger issue is not just this bug, but the still-common pattern of overbroad storage permissions in the Chinese Android ecosystem.https://www.yongjiexue.io/en/cloud/tencent-openclaw/Thu, 12 Mar 2026 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/tencent-openclaw/Tencent Cloud mirrored OpenClaw’s official skill marketplace into its own SkillHub and then claimed it was helping the upstream project. The incident turned into a case study in open-source manners, mirror ethics, and platform power.https://www.yongjiexue.io/en/cloud/qwen-leave/Wed, 04 Mar 2026 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/qwen-leave/Qwen lead Justin Lin publicly announced his departure, followed by more core-team exits and a wave of speculation about compute allocation, KPI pressure, and organizational power shifts inside Alibaba.https://www.yongjiexue.io/en/cloud/claude-outage/Tue, 03 Mar 2026 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/claude-outage/Claude went down globally on March 2, 2026. The cinematic theory blamed drone strikes on AWS in the Middle East, but the failure pattern points much more strongly to a front-end and authentication crunch triggered by explosive user growth.https://www.yongjiexue.io/en/cloud/aws-me-bomb/Tue, 03 Mar 2026 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/aws-me-bomb/On March 1, 2026, Iranian drones reportedly hit AWS facilities in the UAE and Bahrain. If the reporting is accurate, this may be the first public case of a hyperscale cloud provider suffering direct military damage to data-center infrastructure.https://www.yongjiexue.io/en/cloud/rednote-cloud-exit/Fri, 26 Dec 2025 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/rednote-cloud-exit/When a company that was “born on the cloud” goes “self-host first,” does that count as cloud exit? A repost of a deleted piece on the infrastructure coming-of-age for China’s internet giants.https://www.yongjiexue.io/en/cloud/alipay-crash/Fri, 05 Dec 2025 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/alipay-crash/Dec 4, 2025, Taobao, Alipay, and Xianyu all cratered. Users got charged while orders still showed “unpaid,” a carbon copy of the 2024 Double-11 fiasco.https://www.yongjiexue.io/en/cloud/cf-ck-down/Wed, 19 Nov 2025 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/cf-ck-down/A ClickHouse permission tweak doubled a feature file, tripped a Rust hard limit, and froze Cloudflare’s core traffic for six hours—their worst outage since 2019. Here’s the full translation plus commentary.https://www.yongjiexue.io/en/cloud/aliyun-supabase/Thu, 06 Nov 2025 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/aliyun-supabase/Founders here get asked the same question over and over: what if Alibaba builds the same thing? Alicloud RDS just launched Supabase as a managed service. Exhibit A.https://www.yongjiexue.io/en/cloud/aws-postmotem/Fri, 24 Oct 2025 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/aws-postmotem/AWS finally published the Oct 20 us-east-1 postmortem. I translated the key parts and added commentary on how one DNS bug toppled half the internet.https://www.yongjiexue.io/en/cloud/aws-dns-failure/Tue, 21 Oct 2025 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/aws-dns-failure/us-east-1’s DNS control plane faceplanted for 15 hours and dragged 142 AWS services—and a good chunk of the public internet—down with it. Here’s the forensic tour.https://www.yongjiexue.io/en/cloud/exit/Fri, 08 Aug 2025 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/exit/A whole generation of developers has been told “cloud-first.” This column collects data, case studies, and commentary on the real economics—and traps—of public cloud rental models.https://www.yongjiexue.io/en/cloud/kubesphere-rugpull/Sat, 02 Aug 2025 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/kubesphere-rugpull/Deleting images and running away - this isn’t about commercial closed-source issues, but supply cut problems that directly destroy years of accumulated community trust.https://www.yongjiexue.io/en/cloud/rds-duckdb/Thu, 06 Mar 2025 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/rds-duckdb/Does bolting DuckDB onto RDS suddenly make open-source Postgres ‘trash’? Business and open source should be symbiotic. If a vendor only extracts without giving back, the community will spit it out."https://www.yongjiexue.io/en/cloud/patsy/Mon, 13 Jan 2025 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/patsy/A user consulted about distributed databases, but he wasn’t dealing with data bursting through server cabinet doors—rather, he’d fallen into another cloud computing pig-butchering scam.https://www.yongjiexue.io/en/cloud/openai-failure/Sat, 14 Dec 2024 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/openai-failure/Even trillion-dollar unicorns can be a house of cards when operating outside their core expertise.https://www.yongjiexue.io/en/cloud/wordpress-drama/Thu, 17 Oct 2024 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/wordpress-drama/When open source ideals meet commercial conflicts, what insights can this conflict between open source software communities and cloud vendors bring? On the importance of community boundary demarcation.https://www.yongjiexue.io/en/cloud/rds-scam/Sun, 06 Oct 2024 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/rds-scam/The paradigm shift brought by RDS, whether cloud databases are overpriced cafeteria meals. Quality, security, efficiency, and cost analysis, cloud exit database self-building: how to implement in practice!https://www.yongjiexue.io/en/cloud/aliyun-ha/Tue, 17 Sep 2024 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/aliyun-ha/Seven days after Singapore Zone C failure, availability not even reaching 8, let alone multiple 9s. But compared to data loss, availability is just a minor issuehttps://www.yongjiexue.io/en/cloud/rds-failure/Mon, 19 Aug 2024 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/rds-failure/A customer experienced an outrageous cascade of failures on cloud database last week: a high-availability PG RDS cluster went down completely - both primary and replica servers - after attempting a simple memory expansion, troubleshooting until dawn. Poor recommendations abounded during the incident, and the postmortem was equally perfunctory. I share this case study here for reference and review.https://www.yongjiexue.io/en/cloud/netease/Sun, 18 Aug 2024 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/netease/NetEase Cloud Music experienced a two-and-a-half-hour outage this afternoon. Based on circulating online clues, we can deduce that the real cause behind this incident was…https://www.yongjiexue.io/en/cloud/bsod-friday/Tue, 23 Jul 2024 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/bsod-friday/Both client and vendor failed to control blast radius, leading to this epic global security incident that will greatly benefit local-first software philosophy.https://www.yongjiexue.io/en/cloud/ahrefs-saving/Wed, 22 May 2024 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/ahrefs-saving/After Alibaba-Cloud’s epic global outage on Double 11, setting industry records, how should we evaluate this incident and what lessons can we learn from it?https://www.yongjiexue.io/en/cloud/gcp-unisuper/Sat, 11 May 2024 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/gcp-unisuper/Due to an “unprecedented configuration error,” Google Cloud mistakenly deleted trillion-RMB fund giant UniSuper’s entire cloud account, cloud environment and all off-site backups, setting a new record in cloud computing history!https://www.yongjiexue.io/en/cloud/s3-scam/Tue, 30 Apr 2024 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/s3-scam/The dark forest law has emerged on public cloud: Anyone who knows your S3 object storage bucket name can explode your cloud bill.https://www.yongjiexue.io/en/cloud/cf-interview/Tue, 23 Apr 2024 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/cf-interview/As a roundtable guest, I was invited to participate in Cloudflare’s Immerse conference in Shenzhen. During the dinner, I had in-depth discussions with Cloudflare’s APAC CMO, Greater China Technical Director, and front-line engineers about many questions of interest to netizens.https://www.yongjiexue.io/en/cloud/qcloud/Sun, 14 Apr 2024 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/qcloud/Tencent Cloud’s epic global outage after Double 11 set industry records. How should we evaluate and view this failure, and what lessons can we learn from it?https://www.yongjiexue.io/en/cloud/cloudflare/Wed, 03 Apr 2024 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/cloudflare/While I’ve always advocated for cloud exit, if it’s about adopting a cyber bodhisattva cloud like Cloudflare, I’m all in with both hands raised.https://www.yongjiexue.io/en/cloud/luo-live/Mon, 01 Apr 2024 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/luo-live/Luo Yonghao’s livestream first spent half an hour selling robot vacuums, then Luo himself belatedly appeared to read scripts selling “cloud computing” for forty minutes — before seamlessly transitioning to selling Colgate enzyme-free toothpaste — leaving viewers bewildered between toothpaste and cloud computing.https://www.yongjiexue.io/en/cloud/ecs/Sun, 10 Mar 2024 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/ecs/Alibaba-Cloud claimed major price cuts, but a detailed analysis of cloud server costs reveals that cloud computing and storage remain outrageously expensive.https://www.yongjiexue.io/en/cloud/dba-vs-rds/Fri, 02 Feb 2024 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/dba-vs-rds/Two days ago, the ninth episode of Open-Source Talks had the theme “Will DBAs Be Eliminated by Cloud?” As the host, I restrained myself from jumping into the debate throughout, so I’m writing this article to discuss this question: Will DBAs be eliminated by cloud?https://www.yongjiexue.io/en/cloud/uptime/Wed, 10 Jan 2024 00:00:00 +0000David Heinemeier Hansson (DHH)https://www.yongjiexue.io/en/cloud/uptime/Programmers are drawn to complexity like moths to flame. The more complex the system architecture diagram, the greater the intellectual masturbation high. Steadfast resistance to this behavior is a key reason for DHH’s success in cloud-free availability.https://www.yongjiexue.io/en/cloud/s3/Tue, 26 Dec 2023 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/s3/S3 is no longer “cheap” with the evolution of hardware, and other challengers such as cloudflare R2.https://www.yongjiexue.io/en/cloud/smile/Wed, 29 Nov 2023 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/smile/Alibaba-Cloud and Didi had major outages one after another. This article discusses how to move from cost-reduction jokes to real cost reduction and efficiency — what costs should we really reduce, what efficiency should we improve?https://www.yongjiexue.io/en/cloud/bonus/Thu, 16 Nov 2023 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/bonus/Hardware is interesting again, developments in CPUs and SSDs remain largely unnoticed by the majority of devs. A whole generation of developers is obscured by cloud hype and marketing noise.https://www.yongjiexue.io/en/cloud/aliyun/Mon, 13 Nov 2023 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/aliyun/Alibaba-Cloud’s epic global outage after Double 11 set an industry record. How should we evaluate this incident, and what lessons can we learn from it?https://www.yongjiexue.io/en/cloud/cheap-ecs/Wed, 08 Nov 2023 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/cheap-ecs/Alibaba-Cloud’s Double 11 offered a great deal: 2C2G3M ECS servers for ¥99/year, low price for three years. This article shows how to use this decent ECS to build your own digital homestead.https://www.yongjiexue.io/en/cloud/debris/Sat, 08 Jul 2023 00:00:00 +0000Yongjie Xuehttps://www.yongjiexue.io/en/cloud/debris/Once upon a time, “going to cloud” was almost politically correct in tech circles, but few people use hard data to analyze the trade-offs involved. I’m willing to be this skeptic: let me use hard data and personal stories to explain the traps and value of public cloud rental models.