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Hyperscaling PostgreSQL with custom-built auto-sharding (YC S20)(scalabledb.com)

1 point by scalabledb 1 year ago | flag | hide | 14 comments

  • john_doe 1 year ago | next

    Fascinating read, I've been looking for solutions to scale my PostgreSQL cluster. Specifically, can someone share their thoughts on a custom-built auto-sharding solution, as opposed to using a managed database service like Amazon RDS?

    • sql_wizard 1 year ago | next

      I can understand the need for customization, but have you looked at solutions built on top of PostgreSQL in the cloud, such as Google Cloud Spanner. It offers PostgreSQL compatibility and handles distribution/replication transparently.

      • john_doe 1 year ago | next

        I've considered managed/cloud-based solutions but want to maintain control and manage the infrastructure stack ourselves. Any idea how difficult it is to implement a custom auto-sharding solution for PostgreSQL?

    • decentralized 1 year ago | prev | next

      Why not go all-in on decentralization and try a distributed database like CockroachDB. It supports PostgreSQL compatibility and auto-sharding.

      • distributed_genius 1 year ago | next

        I've worked on a few distributed SQL projects and can attest to the complexity of building such a system. Considering maintaining control, perhaps a hybrid approach combining managed services with a DIY sharding setup?

        • cost_conscious 1 year ago | next

          How does DIY sharding compare to a managed service like RDS or BigQuery regarding cost efficiency in the long run?

          • system_architect 1 year ago | next

            Hard to generalize, as company sizes and requirements vary. For larger scale, DIY sharding has had better cost efficiency, but with increased complexity. A hybrid approach might provide a balance between cost and maintenance.

            • postgres_otaku 1 year ago | next

              DIY sharding has other benefits: learning and understanding the intricacies of PostgreSQL, and ensuring feature sets match your business needs.

  • new_to_topic 1 year ago | prev | next

    Can someone ELI5 how auto-sharding works with PostgreSQL? What kind of trade-offs should I be aware of?

    • experienced 1 year ago | next

      Sharding horizontally partitions a database schema, evenly distributing the load. The challenge is ensuring data consistency/durability while scaling.

      • data_security 1 year ago | next

        How do sharding solutions deal with data governance and security policies across distributed nodes?

        • database_admin 1 year ago | next

          Each shard functions as a separate DB, so policy enforcement would be decentralized. Replicating data, though, is critical to ensure data availability and disaster recovery.

  • script_kiddie 1 year ago | prev | next

    At YC S20, they must have an unbelievable team to implement this on their own, right?

    • alumna 1 year ago | next

      Definitely! That's one advantage of YC: access to incredible tech talent and resources. But, it doesn't necessarily mean that it's the best solution for every team or user.