YDB doesn't use Zookeeper. The system is built of tablets, every tablet implemen... | Hacker News

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fomichev3000 on April 19, 2022 | parent | context | favorite | on: YDB – An open-source Distributed SQL Database

YDB doesn't use Zookeeper. The system is built of tablets, every tablet implements distributed consensus algorithm. There are different types of tablets in the system, say SchemeShard is tablet that stores metadata, table schema for instance. DataShard stores table partition data.

asadawadia on April 19, 2022 [–]

Which consensus algorithm? I don't see raft in the codebase

fomichev3000 on April 20, 2022 | [–]

We have consensus protocol over shared log. Some details you can find in a power point presentation at this page https://2019.hydraconf.com/2019/talks/muxomfgqembsb3st7i3ci/

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