Re: why pdf file at archive.org is so slow to open
On Sun 04 Jul 2021 at 17:03:26 (+0800), loushanguan2015@sina.com wrote:
> i've found many books at archive.org in pdf formatbut reading them in acrobat for linux is painful, it's slow
> it's fast in acrobat for androidand i think it's fast in Windowsadobe has stopped upgrade for linux
> i've tried evince, gnome default viewer, it crash
> https://archive.org/details/historyofmoderne0000schefile name: historyofmoderne0000sche.pdf
> above is an example, other pdf files at archive.org have same problem, slow!please test with example above before recommending pdf viewer
Do you download the file to run your viewers?
$ md5sum historyofmoderne0000sche.pdf
7970f205d8456b149e12deb5452ce2f9 historyofmoderne0000sche.pdf
$
No problem reading the file here with xpdf, evince, mupdf, zathura or gv.
No problem reading with firefox at https://archive.org/details/historyofmoderne0000sche
I don't know anything about acrobat. Using buster here.
The only cause I can think of is that you're reading the file
piecemeal over the web, and perhaps the redirection process is
being repeated over and over. The PDF files aren't actually
where you think they are, as shown by the download dialogue:
$ wget https://archive.org/download/historyofmoderne0000sche/historyofmoderne0000sche.pdf
--2021-07-04 09:16:20-- https://archive.org/download/historyofmoderne0000sche/historyofmoderne0000sche.pdf
Resolving archive.org (archive.org)... 207.241.224.2
Connecting to archive.org (archive.org)|207.241.224.2|:443... connected.
HTTP request sent, awaiting response... 302 Found
Location: https://ia802905.us.archive.org/7/items/historyofmoderne0000sche/historyofmoderne0000sche.pdf [following]
--2021-07-04 09:16:21-- https://ia802905.us.archive.org/7/items/historyofmoderne0000sche/historyofmoderne0000sche.pdf
Resolving ia802905.us.archive.org (ia802905.us.archive.org)... 207.241.233.55
Connecting to ia802905.us.archive.org (ia802905.us.archive.org)|207.241.233.55|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 16779995 (16M) [application/pdf]
Saving to: ‘historyofmoderne0000sche.pdf’
historyofmoderne0000sche 100%[==================================>] 16.00M 829KB/s in 23s
2021-07-04 09:16:44 (726 KB/s) - ‘historyofmoderne0000sche.pdf’ saved [16779995/16779995]
$
Cheers,
David.
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