$sample

Reference type:Cheat sheetFormat:Syntax + example + use case

Reference group: Pipeline stages

What it does

Selects a sample of documents.

Syntax

{$sample: { size: n }}

Use case

Exploratory sampling and test fixtures.

$sample: practical example

{ $sample: { size: 100 } }

💡 Explanation Selects a sample of documents. When to use it Exploratory sampling and test fixtures.

Key Takeaways

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