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DevOps and infra

PostgreSQL containers are slow, bloated or crash

3 posts from 2 people3d activeSteady, +1 this week

Posts per day

Posts per day3 posts, Oct 30 to Nov 11

The posts behind it

Redditr/kubernetes · u/Agency42_SwedenNov 6

Default-deny NetworkPolicy silently breaks DNS, and on OpenShift the port you need to allow is 5353, not 53

Ran into this pattern on a lot of clusters, so here's the write-up I wish I'd had. (I work at a Kubernetes consultancy, Agency 42. Nothing to sell here: the manifests are public on GitHub.). Symptom. You apply a "default deny" policy as a security baseline and within seconds...

GitHub issuesn8n-io/n8n · ZedPrgNov 4

Extract from PDF - memory overflow - server crash

## Describe the problem/error/question Node Extract from File (version 1.2) - operation Extract from PDF - fails with error and then n8n container restart itself ## What is the error message (if any)? Execution stopped at this node n8n may have run out of memory while running...

6 replies
Redditr/kubernetes · u/Agency42_SwedenOct 30

Default-deny NetworkPolicy silently breaks DNS, and on OpenShift the port you need to allow is 5353, not 53

Ran into this pattern on a lot of clusters, so here's the write-up I wish I'd had. (I work at a Kubernetes consultancy, Agency 42. Nothing to sell here: the manifests are public on GitHub.). Symptom. You apply a "default deny" policy as a security baseline and within seconds...

Companies and products named

3 posts
2 posts
2 posts
1 post
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About this problem

Evidence

3 posts from 2 people in 2 places, about 2 a week over 8 days. Mostly on r/kubernetes, n8n-io/n8n. Tools named alongside: GitHub, Kubernetes, Docker, n8n.

Frustration Frustration 0 of 3· Seen on Reddit, GitHub issues

How it was grouped

Posts that state a pain and match the "containers" rule about PostgreSQL. First post Oct 30, 2026, latest Nov 6, 2026. Corroborated: 3 or more posts from 2 or more people or places. Method

The same problem elsewhere

Containers are slow to build, bloated or crash-looping

10 posts from 10 people on GitHub issues, Reddit, Stack Overflow.

TensorFlow containers are slow, bloated or crash

3 posts from 1 person on Reddit. Unverified.

vLLM containers are slow, bloated or crash

2 posts from 2 people on GitHub issues. Unverified.

Docker containers are slow, bloated or crash

2 posts from 2 people on GitHub issues, Mastodon. Unverified.

Other PostgreSQL problems

PostgreSQL queries run too slowly and are hard to tune

10 posts from 10 people on Reddit, Stack Overflow, GitHub issues.

PostgreSQL upgrades break working setups

13 posts from 12 people on GitHub issues, Stack Overflow, Reddit.

PostgreSQL error messages are cryptic

7 posts from 7 people on GitHub issues, Stack Overflow.

PostgreSQL permissions are confusing and error-prone

7 posts from 7 people on GitHub issues, Hacker News.

PostgreSQL jobs fail silently or break often

6 posts from 5 people on GitHub issues.

Trouble with PostgreSQL database

Top post: "Canonicalising unit names from a flat file in a normalised database structure", one of 6 posts from 6 people on GitHub issues, Stack Overflow.

PostgreSQL feels slow and laggy

5 posts from 5 people on Mastodon, Reddit, GitHub issues.

PostgreSQL outages and slowdowns disrupt work

5 posts from 5 people on GitHub issues, Reddit.

Trouble with PostgreSQL query

Top post: "How can I use a composite IN query with Postgres.js?", one of 4 posts from 4 people on Stack Overflow, GitHub issues, Reddit.

Trouble with PostgreSQL workflow

Top post: "Agent not recognizing the workflow inputs", one of 4 posts from 4 people on GitHub issues, Stack Overflow.

PostgreSQL connectors and syncs are fragile

4 posts from 4 people on GitHub issues, Hacker News.

Trouble with PostgreSQL credentials

Top post: "SFTP Credentials: Port field clears value and incorrectly formats large port numbers", one of 4 posts from 4 people on GitHub issues.

History

First seen with 3 posts.

Nov 11, 2026