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Activepieces Code Step Out of Memory

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Workaround available Cloud, self-hosted Updated November 14, 2026Based on 3 user reportsHow we research

Quick answer

Large lists or files can exhaust memory in a code step. Return only the data later steps need and process in batches.

Most likely fix: Reduce data in code

How to fix it

Try these in order — the most common fix is first.

  1. 1. Reduce data in code

    1. Return only needed fields
    2. Process rows in batches
    3. Avoid loading whole files
    Did this fix it?

  2. 2. Raise memory on self-hosted

    1. Set AP_SANDBOX_MEMORY_LIMIT
    2. Check headroom with docker stats
    3. Use at least 4 GB RAM
    Did this fix it?

Symptoms

Code step fails with a memory error, or flows die on big payloads.

Why it happens

  • Loading whole files or long lists in code
  • Worker memory cap of 1 GB on Cloud
  • Docs mention a smaller Code-step limit around 128 MB

This guide also covers

  • activepieces code step memory
  • activepieces out of memory

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