# Source: https://vitest.dev/config/maxconcurrency.md

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url: /config/maxconcurrency.md
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# maxConcurrency

* **Type**: `number`
* **Default**: `5`
* **CLI**: `--max-concurrency=10`, `--maxConcurrency=10`

A number of tests that are allowed to run at the same time marked with `test.concurrent`.

Test above this limit will be queued to run when available slot appears.