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How does multi node works with Postgres? Does TimescaleDB create its own Raft layer on top and just treat Postgres as dumb storage?

• k-rus 6y ago
  A TimescaleDB engineer here. Current implementation of database distribution in TimescaleDB is centralised where all traffics go through an access node, which distributes the load into data nodes. The implementation uses 2PC. Abilities of PostgreSQL to generate distributed query plans are utilised together with TimescaleDB optimisations. So PostgreSQL is used not just a dumb storage :)
  • didip 6y ago
    Won't that access node be a single point of failure then? Just trying to learn more.
    • cevian 6y ago
      The access node is replicated using streaming replication and is thus not a SPOF.