How many Node.js apps can you run on a 2-core 1GB VPS with PM2? (The math)
The article discusses how many Node.js applications can be run on a 2-core 1GB VPS using PM2. It highlights that the actual available RAM for applications is around 790MB after accounting for the operating system and PM2's memory usage. The author provides insights into app capacity based on type and offers recommendations for optimal configurations.
- ▪The available RAM for applications on a 2-core 1GB VPS is approximately 790MB.
- ▪Different types of Node.js applications have varying memory requirements, affecting how many can be run simultaneously.
- ▪Creating a swap file is essential to prevent out-of-memory errors during high usage periods.
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| Original publisher | DEV.to (Top) |
| Canonical URL | https://dev.to/vpsfordev/how-many-nodejs-apps-can-you-run-on-a-2-core-1gb-vps-with-pm2-the-math-ec4 |
| Publication time | Wed, 03 Jun 2026 16:06:42 +0000 |
| Retrieval time | 2026-06-03T16:15:11.596Z |
| Last seen | 2026-06-03T16:15:11.596Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | L1mBKdbb0WRt |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
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WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3963036) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } Vpsfordev Posted on Jun 3 • Originally published at vpsfor.dev How many Node.js apps can you run on a 2-core 1GB VPS with PM2? (The math) #javascript #node #devops #webdev Every indie hacker running on a $5 VPS has asked this question. The answer depends entirely on what kind of apps you're running — and most guides skip the actual math. Here's the breakdown I wish I had when I started.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at DEV.to (Top).
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