Add support for progress_callback in Object#download_file #2902
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Implements #2901
Closes #2681
This adds support for a
progress_callbackoption inObject#download_file, similar to what is supported inupload_file.This also improves the performance of
download_filewhen multiple threads are used - previously it was done in batches, requiring all threads in the batch to complete before moving onto another batch (and additionally, creating a new set of threads each time instead of re-using one set of worker threads). This follows the approach used in the MultipartUploader.By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
To make sure we include your contribution in the release notes, please make sure to add description entry for your changes in the "unreleased changes" section of the
CHANGELOG.mdfile (at corresponding gem). For the description entry, please make sure it lives in one line and starts withFeatureorIssuein the correct format.For generated code changes, please checkout below instructions first:
https://github.com/aws/aws-sdk-ruby/blob/version-3/CONTRIBUTING.md
Thank you for your contribution!