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Add download_chunk_size property to HTTPRequest.

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This allows setting the `read_chunk_size` of the internal HTTPClient.
This is important to reduce the allocation overhead and number of file
writes when downloading large files, allowing for better download speed.
This commit is contained in:
Fabio Alessandrelli
2019-11-24 13:20:24 +01:00
parent 37b230fe3a
commit ed19b4076e
7 changed files with 37 additions and 9 deletions
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4
doc/classes/HTTPRequest.xml
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@@ -93,6 +93,10 @@
<member name="body_size_limit" type="int" setter="set_body_size_limit" getter="get_body_size_limit" default="-1">
Maximum allowed size for response bodies.
</member>
<member name="download_chunk_size" type="int" setter="set_download_chunk_size" getter="get_download_chunk_size" default="4096">
The size of the buffer used and maximum bytes to read per iteration. See [member HTTPClient.read_chunk_size].
Set this to a higher value (e.g. 65536 for 64 KiB) when downloading large files to achieve better speeds at the cost of memory.
</member>
<member name="download_file" type="String" setter="set_download_file" getter="get_download_file" default="&quot;&quot;">
The file to download into. Will output any received file into it.
</member>