19h ago · 13 min read · No messages. No sockets. Just shared memory and a latch. In Part 1, we met the three actors — backend, walsender, checkpointer — and said they "communicate through shared memory." That was hand-waving
Join discussionApr 28 · 22 min read · Your pod has just been written to etcd. The API server returned 201 Created. The pod exists. But spec.nodeName is still empty, and that is the entire reason this post exists. A pod with no node is not
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Apr 23 · 6 min read · If you’ve ever seen an error like: EMFILE: too many open files you’ve already met one of the most fundamental pieces of an operating system: the file descriptor (FD). This blog explains: what an FD
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Apr 3 · 6 min read · RisingWave writes to Apache Iceberg using a two-phase commit protocol: it buffers in-memory row changes, flushes them as Parquet data files to object storage, and then atomically commits a new Iceberg snapshot via the catalog. This guarantees exactly...
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Feb 15 · 5 min read · We all do it, right? Hundreds of times a day. We type a word into that little bar at the top, hit Enter, and—poof—a website just appears. To most of us, it feels like total magic. But between that quick tap of a key and the moment you see the first i...
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