pg_ivm
readyset
pg_ivm | readyset | |
---|---|---|
21 | 24 | |
797 | 3,896 | |
5.0% | 2.1% | |
6.3 | 9.8 | |
about 2 months ago | 5 days ago | |
C | Rust | |
GNU General Public License v3.0 or later | GNU General Public License v3.0 or later |
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For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
pg_ivm
- Postgres is eating the database world
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What Is Incremental View Maintenance (IVM)?
FTA, because I don't like Jeopardy questions in headlines:
“Incremental View Maintenance (IVM) provides a method for keeping materialized views current by calculating and applying only the incremental changes, as opposed to the complete recomputation of contents performed by the REFRESH MATERIALIZED VIEW command.”
Article shows using the pg_ivm Postgres extension available here: https://github.com/sraoss/pg_ivm
- Pg_ivm: Incremental View Maintenance as a Postgres Extension
- Anyone have experience with incremental materialized views in postgres?
- Incremental View Maintenance for PostgreSQL
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a temporary-ish table vs materialize view?
There is an extension that provides some limited incremental MVIEW refresh: https://github.com/sraoss/pg_ivm
- Features I'd Like in PostgreSQL
- IVM (Incremental View Maintenance) Implementation as a PostgreSQL Extension
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Materialized View: SQL Queries on Steroids
There’s awesome work being done on incremental view maintenance in postgres:
https://github.com/sraoss/pg_ivm
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Should I replace all db select query REST APIs with a single generic router ?
It makes sense to perform managed denormalization - use a materialized view or automatically refresh a table or foreign server (via FDW) using common triggers (like pg_ivm does). And it's fine to add a TTL to it and use as a read store... update on user login and make a partial index just for that. And that's how you could get CQRS...
readyset
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Ask HN: How Can I Make My Front End React to Database Changes in Real-Time?
- Some platforms like Supabase Realtime [3] and Firebase offer subscription models to database changes, but these solutions fall short when dealing with complex queries involving joins or group-bys.
My vision is that the modern frontend to behave like a series of materialized views that dynamically update as the underlying data changes. Current state management libraries handle state trees well but don't seamlessly integrate with relational or graph-like database structures.
The only thing I can think of is to implement it by myself, which sounds like a big PITA.
Anything goes, Brainstorm with me. Is it causing you headaches as well? Are you familiar with an efficient solution? how are you all tackling it?
[1] https://readyset.io/
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FLaNK Stack 26 February 2024
Postgresql + MySQL Cache https://github.com/readysettech/readyset
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Readyset: A MySQL and Postgres wire-compatible caching layer
I just wanted to give a high five for having Jepsen tests for this: https://github.com/readysettech/readyset/tree/stable-240117/...
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Fine-grained caching strategies of dynamic queries
This example is a great use case for partial incremental view maintenance systems like ReadySet: you automatically get something like the “prepopulating the cache” section (toward the end of the blog) while only caching the data the application is using, and avoiding the need to manually implement any sort of invalidation logic.
(Disclaimer: I used to work for them, but don’t anymore. It’s all available for free on GitHub though for anyone interested: https://github.com/readysettech/readyset)
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Squeeze the hell out of the system you have
There are systems that will do that for you like https://readyset.io/.
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Production grade databases in Rust
ReadySet
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Dozer: A scalable Real-Time Data APIs backend written in Rust
readyset.io is the company that jonhoo was associated with for work on noria
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I'm building Memories, a FOSS alternative to Google Photos with a focus on UX and performance
Might be interesting to try out https://readyset.io for this use case.
- Materialized View: SQL Queries on Steroids
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Tips on scaling a monolithic Rust web server?
On the caching topic, I found the ReadySet(né Noria) approach to be extremely interesting.
What are some alternatives?
prawn-stack - A pageview counter using the AWS free tier, Postgres, Node and React
materialize - The data warehouse for operational workloads.
noria - Fast web applications through dynamic, partially-stateful dataflow
pg_hint_plan - Extension adding support for optimizer hints in PostgreSQL
singleflight - Rust port of Go's singleflight package
contour - Contour is a Kubernetes ingress controller using Envoy proxy.
chiselstrike - ChiselStrike abstracts common backends components like databases and message queues, and let you drive them from a convenient TypeScript business logic layer
pg_jsonschema - PostgreSQL extension providing JSON Schema validation
googleapis - Public interface definitions of Google APIs.
OpenLogReplicator - Open Source Oracle database CDC
genSQL - A SQL generator tool to create random rows for test schemas