[ome-users] Problem with omero *downloads* from web client - nginx?

[Aleksandra Tarkowska (Staff)]

Hi,

Thank you for reporting download problems. I can reproduce it locally and will let you know as soon as I find work around.

Ola
Software Engineer
Open Microscopy Environment
University of Dundee

On 12 Jan 2016, at 13:51, Mason, David [dnmason] <D.N.Mason at liverpool.ac.uk<mailto:D.N.Mason at liverpool.ac.uk>> wrote:

I can confirm that I also get the same issue in our OMERO.web 5.2.0-ice35-b12 running Nginx + WSGI + gunicorn on Ubuntu 14.04 LTS. Download of a large original data file stalled at 1.01GB.

We rarely download the original data so I'm not surprised to have not noticed since upgrading to 5.2.

Best,

Dave

----------------------------------------------------------------------
Message: 1
Date: Mon, 11 Jan 2016 20:26:18 +0000
From: Jake Carroll <jake.carroll at uq.edu.au<mailto:jake.carroll at uq.edu.au>>
To: "ome-users at lists.openmicroscopy.org.uk<mailto:ome-users at lists.openmicroscopy.org.uk>"
       <ome-users at lists.openmicroscopy.org.uk<mailto:ome-users at lists.openmicroscopy.org.uk>>
Subject: [ome-users] Problem with omero *downloads* from web client -
       nginx?
Message-ID: <3521A17B-7735-4497-94CE-935360303C67 at uq.edu.au<mailto:3521A17B-7735-4497-94CE-935360303C67 at uq.edu.au>>
Content-Type: text/plain; charset="utf-8"

Hi OME crew.

I?m in need of a little bit of your help.

I?ve upgraded to 5.2.1 as of a while ago and things appeared fine on the surface, but now that everyone is back to work from the Christmas break, we?ve found a problem (and we believe it is nginx + gunicorn related).

1. Large downloads simply fail or are truncated to smaller sizes. We keep seeming to hit a magical 1.01 or 1.1GB limit when trying to download large things via the OMERO.web interface. Insight works fine, as it is unrelated to nginx.

2. We?re running the config from the OMERO 5.2.1 documentation, nginx-wise. Nginx + WSGI + gunicorn atop Ubuntu 14.04 LTS. All up to date.

3. I?ve read things about gzip compression having an impact. Tried to turn that off. No difference. I?ve read proxy_max_temp_file_size might have an impact. Fiddled with that - no difference. Fiddled with timeouts on upstream server. No difference.

4. I can?t see anything useful in the error.log or access.log for nginx, nor in the Blitz.log etc.

5. When your users are downloading 30GB+ .ims files out of OMERO regularly, this could present a problem for us, as you can appreciated ;).

Any help would be appreciated - as I?m stumped on this one. This is usually just normal administration 101 ?just tune this? setting sort of thing, which doesn?t present much of a challenge - but this feels like a ghost.

Regards.

-jc
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