PostgreSQL backfills are slow and risky

Data engineering2 posts from 2 people2d active+00 posts in the last 7 days, 1 the 7 days before (fading)Unverified

Posts per day2 posts, Oct 7 to Oct 21

The posts behind it

2, newest first

GitHub issuesOct 13 [BUG] Trace analytics migration 75868b020152 is O(n²) on PostgreSQL: spans keyset pagination can't use the primary key index> [!WARNING] > Before submitting a PR, please make sure that: > - A maintainer has triaged this issue and applied the `ready` label > - This issue has no assignee > - No duplicate PR exists > > PRs not meeting these requirements may be automatically closed. ### Issues Policy...mlflow/mlflow · MatasVS5 repliesOpen ↗GitHub issuesOct 7 Production database unavailable after disk exhaustion and disk expansion...reflected by the new 8 GB allocation; - Supavisor/database authentication services are unable to reach the backend; - another platform-side service requires intervention after the original disk-full crash. Once connectivity is restored, we will perform read-only integrity...supabase/supabase · esolanOpen ↗

Companies and products named

Named2 posts

PostgreSQL Named1 post

Supabase Named1 post

MLflow Named1 post

SQLite Named1 post

SQL Server Named1 post

GitHub

About this problem

Evidence

2 posts from 2 people in 2 places, about 2 a week over 7 days. Mostly on supabase/supabase, mlflow/mlflow. Tools named alongside: Supabase, MLflow, SQLite, SQL Server.

Frustration Frustration 0 of 3· Seen on GitHub issues

How it was grouped

Posts that state a pain and match the "backfills" rule about PostgreSQL. First post Oct 7, 2026, latest Oct 13, 2026. Unverified: fewer than 3 posts, or one person or place only. Method

The same problem elsewhere

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Other PostgreSQL problems

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History

MomentumOct 20, 2026steady to fading

AddedOct 16, 2026PostgreSQL backfills are slow and risky (2 posts)