topic Re: pdf.js rendering performance in Alfresco Archive

pdf.js rendering performance

hello_wrold — Wed, 16 Sep 2015 13:50:14 GMT

Hello there User Research,some feedback from our users: we got complaints about the PDF-renderer so slow thatit hurts. They have to deal with scanned documents and the larger ones take >15s to render on a somewhat recent machine, which is quite a step back from what theyare used to.I'm aware that

Re: pdf.js rendering performance

hello_wrold — Thu, 24 Sep 2015 10:42:05 GMT

Just as a followup: the scans we are using were encoded as JPEG2000 with the Luratech compressor. Decoding JPEG2000 means far more load on the CPU – on a native renderer you won't see much of a difference, however pdf.js is such a resources hog that JPEG2000 is a clear no-go.

Re: pdf.js rendering performance

sscbrian — Mon, 05 Oct 2015 19:38:53 GMT

We use Alfresco as part of our accounting process, where vendors e-mail us invoices. Some vendor files are very large (2 MiB) and take a very long time to render the PDF, but most of the small ones render instantly.

Re: pdf.js rendering performance

sscbrian — Tue, 17 Nov 2015 12:29:27 GMT

Update: This appears to vary widely between browsers. We've now moved to Firefox as our standard as PDF.js appears to perform the best there (opening documents in half a second that other browsers can take 20+ seconds to open).