cainophile
supavisor
cainophile | supavisor | |
---|---|---|
2 | 15 | |
234 | 1,582 | |
1.3% | 1.8% | |
1.7 | 8.9 | |
2 months ago | 13 days ago | |
Elixir | Elixir | |
Apache License 2.0 | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
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.
cainophile
-
How to Listen to Database Changes Using Postgres Triggers in Elixir
If you want to listen to database changes in Elixir you can also get really good stuff done by using Cainophile (https://github.com/cainophile/cainophile). Same mechanism. I don't know the details of Debezium so I can't say if you are leaving fantastic things on the table. But I've had good fun with Cainophile. For example I've used it in my videos on Electric SQL to react to changes in a Postgres database. It matches nicely with realtime-ish UI via LiveView. So meshes really good with the current Elixir stack.
-
Ask HN: Is there a way to subscribe to an SQL query for changes?
https://github.com/cainophile/cainophile
I happened to do a similar thing but I adapted cainophile into an Elixir “OffBroadway” producer:
supavisor
-
PostgreSQL Is Enough
WalEx instead of pub/sub (listen/subscribe): https://github.com/cpursley/walex
Supavisor connection pooler: https://github.com/supabase/supavisor
-
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.
-
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
-
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-...
-
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.
-
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/...
-
The Database Package Manager for PostgreSQL Trusted Language Extensions
[2] https://github.com/supabase/supavisor
-
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?
noria - Fast web applications through dynamic, partially-stateful dataflow
pgcat - PostgreSQL pooler with sharding, load balancing and failover support.
timely-dataflow - A modular implementation of timely dataflow in Rust
pg_tle - Framework for building trusted language extensions for PostgreSQL
PipelineDB - High-performance time-series aggregation for PostgreSQL
mssql-changefeed
flow - 🌊 Continuously synchronize the systems where your data lives, to the systems where you _want_ it to live, with Estuary Flow. 🌊
debezium - Change data capture for a variety of databases. Please log issues at https://issues.redhat.com/browse/DBZ.
revori - A revision-oriented DBMS
sql-examples - Curated list of SQL to help you find useful script easily 🚀
rethinkdb_rebirth - The open-source database for the realtime web.
walex - Postgres change events (CDC) in Elixir