Lesson 08 · 11 min
Streams and pipeline
You don't need to read a 2 GB file into memory whole. Process it in chunks.
11 minLesson 8 of 10Practice includedAsk AI on any point
A stream delivers data in parts. Readable is a source (a file, a request body), Writable is a destination (a file, a response), Transform changes data along the way (compression, CSV parsing). readFile loads the whole file into memory, while a stream keeps only a small chunk, so memory doesn't grow with file size.
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