PipelineDB
supavisor
| PipelineDB | supavisor | |
|---|---|---|
| 3 | 15 | |
| 2,603 | 1,582 | |
| 0.0% | 5.4% | |
| 0.0 | 8.9 | |
| about 2 years ago | 13 days ago | |
| C | Elixir | |
| Apache License 2.0 | Apache License 2.0 |
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PipelineDB
- PostgreSQL Is Enough
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The database inside out with event streams
I was experimenting with continuous sql queries in postgres for the same purpose. https://github.com/pipelinedb/pipelinedb
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Ask HN: Is there a way to subscribe to an SQL query for changes?
PipelineDB might be of interest. https://github.com/pipelinedb/pipelinedb
supavisor
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PostgreSQL Is Enough
WalEx instead of pub/sub (listen/subscribe): https://github.com/cpursley/walex
Supavisor connection pooler: https://github.com/supabase/supavisor
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Introducing Read Replicas
To make use of your read replicas, copy your connection string for the read replica, update your apps to use the new read replica and you are done! A unique connection pool is also provisioned for each read replica via Supavisor.
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Supavisor 1.0: a scalable connection pooler for Postgres
[I'm on the supabase team]
You can find the code/docs here: https://github.com/supabase/supavisor
This release adds support for
- SQL Parsing
- Load balancing
- support for named prepared statement
- query cancellation
It's also now available on all new databases in Supabase. For some more background on scalability, we have some benchmarks available here:
https://supabase.com/blog/supavisor-1-million
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PgBouncer 1.21.0 released with prepared statement support
PgBouncer maintainer here, so obviously biased. But I think currently PgBouncer should still be the default connection pooler that you choose. There's a few newer options: Odyssey, pgcat, and supavisor. But all focus on a solving 1 or 2 specific problems that PgBouncer did not solve well, while not solving many of the other problems that PgBouncer does solve. So if you have the exact same requirements as the authors of those tools, then switching might be good. But otherwise you should probably continue using PgBouncer.
Supavisor specifically is really immature. It's missing some really core functionality like query cancellations: https://github.com/supabase/supavisor/issues/174
I did a talk on this exact topic at PGConf NYC recently. My slides are here: https://github.com/JelteF/slides/raw/main/2023-10-05-future-...
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Supavisor: Scaling Postgres to 1 Million Connections
If you are interested in exploring Supavisor's potential or want to implement its scalability in your upcoming project, check out the GitHub repository to know more.
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How to Listen to Database Changes Using Postgres Triggers in Elixir
Phoenix.PubSub is basically a noop service. It really just works. You should try it!
If discovering nodes is difficult in your env, try using a listen/notify libcluster strategy:
https://github.com/supabase/supavisor/blob/main/lib/cluster/...
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The Database Package Manager for PostgreSQL Trusted Language Extensions
[2] https://github.com/supabase/supavisor
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Supabase Logs: open source logging server
Supavisor
- Supavisor - Postgres connection pooler written in Elixir
- Supavisor - a Postgres connection pooler written in Elixir
What are some alternatives?
TinyDB - TinyDB is a lightweight document oriented database optimized for your happiness :)
pgcat - PostgreSQL pooler with sharding, load balancing and failover support.
PyPika - PyPika is a python SQL query builder that exposes the full richness of the SQL language using a syntax that reflects the resulting query. PyPika excels at all sorts of SQL queries but is especially useful for data analysis.
pg_tle - Framework for building trusted language extensions for PostgreSQL
pickleDB - pickleDB is an open source key-value store using Python's json module.
mssql-changefeed
ZODB - Python object-oriented database
debezium - Change data capture for a variety of databases. Please log issues at https://issues.redhat.com/browse/DBZ.
MerkavaDB - A fast ordered NoSQL database.
sql-examples - Curated list of SQL to help you find useful script easily 🚀
SSShelf - An ORM for S3
walex - Postgres change events (CDC) in Elixir