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Re: Windows users! Help us test upload performance tuning?

From: Daniel Stenberg via curl-library <>
Date: Sat, 18 Aug 2018 15:51:05 +0200 (CEST)

On Tue, 14 Aug 2018, Daniel Stenberg via curl-library wrote:


> I would like us to...
> 1. Change to alloc-on-demand for this buffer. It is used for a few non-upload
> things, but it only needs to be this big for actual uploads, and most
> transfers are not. That'll save (almost) 16KB for all download-only handles.
> 2. Enlarge the default upload buffer size to 64KB.

These two steps have now been done and pushed to master.

> 3. Add a CURLOPT_UPLOADBUFFERSIZE option that allows users to set their
> preferred size, from 16KB up to perhaps a few megabytes.

I intend to write upp a pull-request for this and queue for merging in the
next feature window after the pending release on September 5.

Received on 2018-08-18