Blogs

Latest Reads from Selfhost.dev

n8n queue mode vs regular mode on one 4 vCPU server with a Code-heavy workflow at 50 requests a second: regular mode answered 215 executions a minute with 3,851 errors, queue mode with 2 workers answered 519 with 0 errors.
App Hosting

n8n Queue Mode Tested: 2.4x Throughput vs Regular Mode

Tested by M. Aziz, backend engineer at Selfhost.dev · n8n 2.40.7, Postgres 17.10 and Redis 7.4.6 on a Selfhost.dev server …

Dr. Somya Hallan Nov 15, 2026 33 mins read
n8n Cloud vs self-hosted: 11 hidden limits, from Cloud Starter's 2,500-run cap and 640 MiB to self-hosted patching and backups
App Hosting

n8n Cloud vs Self-Hosted: 11 Hidden Limits That Decide It

How we checked: n8n Cloud limits come from n8n’s pricing page and documentation. Self-hosted behaviour was checked against n8n 2.40.7 …

Dr. Somya Hallan Nov 15, 2026 22 mins read
n8n system requirements test: n8n main limited to 512 MB crashes with "JavaScript heap out of memory", restarts and crashes again in a loop, while a 1 GB limit runs 5 parallel Code runs without errors.
App Hosting

n8n System Requirements: 5 Real Tests and Where It Crashes

Tested by M. Aziz, backend engineer at Selfhost.dev · n8n 2.40.7 (Node.js 26.7.0 in the image) on Selfhost.dev servers in …

Dr. Somya Hallan Nov 12, 2026 40 mins read
ClickHouse Kafka engine pipeline: the Kafka engine table events_queue is created successfully, messages pile up in front of it, and 0 rows reach the MergeTree table events
Database Infra

ClickHouse Kafka Engine: Secure Setup and 5 Silent Failures

Tested in November 2026 on ClickHouse 26.8 LTS and Kafka 3.9.1 (AutoMQ 1.7.4), AWS us-east-1 · A ClickHouse Kafka engine …

Dr. Somya Hallan Nov 10, 2026 35 mins read
Kafka replication factor 1 tested: disk-based Kafka shows Leader: none, S3-backed Kafka lost 0 acknowledged messages
Database Infra

Kafka Replication Factor: We Stopped Brokers at 1, 2 and 3

Set the Kafka replication factor too low and one lost disk takes your data with it. Set it too high …

Dr. Somya Hallan Nov 6, 2026 32 mins read
Kafka alternatives: drop-in replacements vs full rewrites
Database Infra

Kafka Alternatives: Drop-In Replacements vs Full Rewrites

Pick the wrong Kafka alternative and you rewrite every producer and consumer you own. Pick a drop-in replacement and you …

Dr. Somya Hallan Nov 5, 2026 24 mins read
Best managed database services in 2026: the bill that surprises teams isn't for Postgres, it's the second one. A comparison of 13 providers.
Cloud Database Costs

Best Managed Database Services 2026: Postgres + Redis Costs

The bill that surprises teams on even the best managed database services isn’t for Postgres. It’s the second one, which …

Dr. Somya Hallan Nov 4, 2026 23 mins read
Open source Intercom alternative: five Intercom seats stacked against one flat server for Chatwoot on Selfhost.dev
App Hosting

Open Source Intercom Alternatives in 2026: What They Cost Your Team to Run

Chatwoot is the closest open source Intercom alternative for most teams: five Intercom seats cost $145 a month on annual …

Dr. Somya Hallan Oct 9, 2026 22 mins read
n8n vs Zapier cost: one workflow costs $189/mo on Zapier, €50/mo on n8n Cloud and $15.18/mo on an n8n server
App Hosting

n8n vs Zapier in 2026: What Your Workflows Really Cost, and the Catch Nobody Prices

The n8n vs Zapier choice comes down to who builds your automations and how often they run. Zapier fits non-technical …

Dr. Somya Hallan Oct 7, 2026 19 mins read
▎ Self host GitLab in 2026: the install is easy, and five settings keep it running: proxy URL, email, memory, first login and config home
App Hosting

How to Self Host GitLab in 2026 (and Keep It Running)

GitLab self hosted, which GitLab calls GitLab Self-Managed, means running GitLab (Community or Enterprise Edition) on a server you control…

Dr. Somya Hallan Oct 3, 2026 26 mins read
Vaultwarden vs Bitwarden in 2026: pay per user or per server, with Bitwarden for households and Vaultwarden for teams
App Hosting

Vaultwarden vs Bitwarden (2026): $15 Server or $6/User

If you’re comparing Vaultwarden vs Bitwarden, the confusing part is that they can feel like the same password manager. You …

Dr. Somya Hallan Oct 1, 2026 20 mins read
Best n8n hosting provider comparison 2026: Selfhost.dev, OVHcloud, Hostinger, n8nautomation.cloud, Elestio, Sliplane, DigitalOcean, Hetzner and n8n Cloud
App Hosting

Best n8n Hosting Providers in 2026: 9 Hosts Ranked on What Breaks n8n

The best n8n hosting provider in 2026 is Selfhost.dev, at $15.18 a month for a 2 vCPU, 4 GB server …

Dr. Somya Hallan Sep 29, 2026 17 mins read

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