NEnezirus·Nov 12, 2021
Maybe this can help https://github.com/awslabs/pgbouncer-rr-patch
It is a pgbouncer fork/patch with query rewriting support.
In Scalable PostgreSQL Connection Poolerawslabs
pgbouncer-fast-switchover
C2016–2021
awslabs / pgbouncer-fast-switchover
pgbouncer-fast-switchover
Adds query routing and rewriting extensions to pgbouncer
6Distinct people
6Mentions
0Explicit recommenders
453GitHub stars
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What it is
Adds query routing and rewriting extensions to pgbouncer
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This week on Hacker News
Nov 7–Nov 14 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/14/2026, 5:04:57 PM UTC.
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HN mentions by year6 dated mentions
Observed mentions: 2016-01-02 11:50:14 UTC to 2021-11-12 17:53:13 UTC.
Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.
View mention counts and date ranges
| Period | Start (UTC) | End (exclusive, UTC) | Mentions | Submissions | Comments |
|---|---|---|---|---|---|
| 2016 | 2016-01-01 00:00:00 UTC | 2017-01-01 00:00:00 UTC | 1 | 1 | 0 |
| 2017 | 2017-01-01 00:00:00 UTC | 2018-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2018 | 2018-01-01 00:00:00 UTC | 2019-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2019 | 2019-01-01 00:00:00 UTC | 2020-01-01 00:00:00 UTC | 1 | 0 | 1 |
| 2020 | 2020-01-01 00:00:00 UTC | 2021-01-01 00:00:00 UTC | 2 | 0 | 2 |
| 2021 | 2021-01-01 00:00:00 UTC | 2022-01-01 00:00:00 UTC | 2 | 0 | 2 |
What Hacker News says
6 sourcesCase in point -- an AWS enhancement to PostgreSQL's connection pooler that could have been released as OSS with essentially no impact on RDS Postgres and yet: https://github.com/awslabs/pgbouncer-rr-patch/issues/3
In What’s up with these new not-open source licenses?Interesting:
“3.3 Use Limitation. The Work and any derivative works thereof only may be used or intended for use with the web services, computing platforms or applications provided by Amazon.com, Inc. or its affiliates, including Amazon Web Services, Inc.” from https://github.com/awslabs/pgbouncer-rr-patch/blob/master/LI...
Is this a one off activity, or does Amazon do this regularly as part of their moat?
In AWS forked my project and launched it as its own serviceHere's another example of AWS interactions with OSS: instead of contributing a perfectly good and non-AWS dependant feature to an upstream project (PGBouncer, for a strictly PostgreSQL-level useful feature) they decided to rather stretch it and publish their changes as a _patch_ to the upstream project instead, with a different, restrictive license that only allows its usage on AWS services, together with examples on how to use it on RDS/Redshift:
https://github.com/awslabs/pgbouncer-rr-patch/
https://github.com/awslabs/pgbouncer-rr-patch/issues/3
In AWS forked my project and launched it as its own serviceAmazon's record with OSS contributions is notoriously poor. For example, see their refusal to allow their query routing extensions to pgbouncer to be used on anything other than AWS:
https://github.com/awslabs/pgbouncer-rr-patch/issues/3
There's certainly room to criticize Elastic for their approach to OSS and/or their response to Amazon here, but Amazon's "open-sourcing" of a bundle of the OSS bits of Elasticsearch plus a few third-party OSS plugins is nothing other than self-serving, opportunistic PR.
In Open Source Needs Open Source CompaniesPgbouncer-rr: Adds query routing and rewriting extensions to pgbouncer
1 points · Open discussion