pg-event-proxy-example
connectors
pg-event-proxy-example | connectors | |
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1 | 3 | |
8 | 33 | |
- | - | |
10.0 | 9.9 | |
over 2 years ago | 3 days ago | |
PLpgSQL | Go | |
- | GNU General Public License v3.0 or later |
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pg-event-proxy-example
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All the ways to capture changes in Postgres
It exists [0] but does not seem to be that interesting to users
[0] https://github.com/subzerocloud/pg-event-proxy-example
connectors
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All the ways to capture changes in Postgres
No. We implemented our own [1] for a few reasons:
* Scaling well to multi-TB DBs without pinning the write-ahead log (potentially filling your DB's disk) while the backfill is happening. Instead, our connector constantly reads the WAL and works well in setups like Supabase that have very restrictive WAL sizes (1GB iirc).
* Incremental fault-tolerant backfills that can be stopped and resumed at will.
* Being able to offer "precise" captures which are logically consistent in terms of the sequence of create/update/delete events.
The last one becomes really interesting when paired with REPLICA IDENTITY FULL, because you can feed it into an incremental computation (perhaps differential dataflow) for streaming updates of a continuous computation.
Our work is based off of the Netflix DBLog paper, which we took and ran with.
[1] https://github.com/estuary/connectors/tree/main/source-postg...
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Why would you ever not use CDC for ELT?
Our connectors themselves are fully OSS (for example, here's PostgreSQL)
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What Is Dbt and Why Are Companies Using It?
We've used https://github.com/estuary/connectors/pkgs/container/source-... to load data sets in the many terabytes. Caveat that, while it's implemented to Airbyte's spec, we've only used it with Flow.
What are some alternatives?
maxwell - Maxwell's daemon, a mysql-to-json kafka producer
walex - Postgres change events (CDC) in Elixir
temporal_tables - Temporal Tables PostgreSQL Extension
temporal_tables - Postgresql temporal_tables extension in PL/pgSQL, without the need for external c extension.
airbyte - The leading data integration platform for ETL / ELT data pipelines from APIs, databases & files to data warehouses, data lakes & data lakehouses. Both self-hosted and Cloud-hosted.
debezium - Change data capture for a variety of databases. Please log issues at https://issues.redhat.com/browse/DBZ.
talk-transcripts - Transcripts of Clojure-related talks