Avoiding that the complete file gets downloaded after call of file.createReadstream([opts])

[triangle42]

• WebTorrent version: 0.91.4

How can I avoid that the WebTorrent client downloads the entire file as fast as possible after I have called file.createReadstream([opts])? I want to configure the maximum amount of data that createReadstream buffers before I read the next chunk of data.

[feross]

Right now, there's no way to do this. Eventually, we're going to make the client switch to a rarest-first strategy (#375) once there's sufficient data buffered to satisfy all file.createReadStream() calls. But the plan is always going to be to download as fast as possible to make the best use of available network capacity (modulo throttling, once that gets implemented #163).

But in the meantime, you can accomplish what you want by calling createReadStream with opts.

You can pass opts to stream only a slice of a file.

{
  start: startByte,
  end: endByte
}

Both start and end are inclusive.

[lock]

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