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by throwaway894345
20 days ago
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> Most "we need distributed coordination" turns out to be "we need one writer and a lock," which a single Postgres hands you for free 1. This article is about Cloudflare developing for their own internal control plane--I'm fairly certain their requirements preclude a single Postgres 2. Even if you're not Cloudflare, you may not want to be limited by the availability of a single Postgres instance. |
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True, but the article claims both strong consistency (sort of) and linearizability; that is basically a serializable writer and a lock; if I read correctly (I haven't read all the details), the article conflates both; afaik it is possible to have linearizability with eventual consistency; algorithms to solve concurrent writes and having multiple writers in raft is a "solved problem". sad to see such a spotty article on such important topic by a major company, even if the underlying paper is strong. This feels like manure.