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Resuming parallel downloads doesn't seem to work

From: Jared Fowkes via curl-users <curl-users_at_lists.haxx.se>
Date: Wed, 6 Apr 2022 12:32:13 -0500

I'm attempting to download about 20 large files (>5GB) from a server that
is limiting me to less than 2MB/s and fewer than 9 concurrent connections.
To make matters worse, the connection keeps dropping out.

My current setup looks like:
curl -o {filename} {URL} -o {filename} {URL} -o {filename} {URL} -H
{Headers} -Z --parallel-max 7 --retry 9999 --retry-connrefused --compressed
--keepalive-time 20 -C -

I have also tried moving "-C -" before {URL}, but nothing changed. Curl
appears to resume the download, but the output file size remains the same.
I have not allowed it to complete, but assume that it would eventually
download the entire file over again.


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Received on 2022-04-06