I realised that Orthanc Explorer becomes slow to open when l visit https://mydomain.com/orthanc/ui/app/ and below is what l have observed.
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When DICOM files are being received
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When we open Meddream Viewer (Using Orthanc Dicom-web setup) and click on preload series to download all the series
My questions are:
- Is Orthanc designed to handle multiple dicom C-STORE (20 Modalities sending DICOM files at the same time)? And why does it slow down the loading of the orthanc explorer 2 homepage?
- Does the Orthanc Explorer page (list of studies) support pagination?
- Any suggestions to optimize the loading of the page when DICOM files are being received? Any configuration settings to consider?
Hi,
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Yes / Because it might be busy receiving instances.
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no. It is designed to use the search fields. Users should refine their search criteria if there are too many results.
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check these settings in OE2 configuration to encourage users to use searches instead of browsing latest studies:
"StudyListSearchMode": "search-buttontype",// mode to trigger a search in the StudyList. Accepted values: 'search-as-you-type' or 'search-button'
"StudyListContentIfNoSearch": "empty", // Defines what to show if no search criteria has been entered
// Allowed values: "empty", "most-recents"
Also check all issues related to scalability.
HTH,
Alain
@alainmazy Thanks a lot. Your point number 3 has really helped a lot. Also a quick question, would it advisable to have two docker containers running two orthanc servers. One for port 3030 (receiving dicom) and one for accessing port 8042 (explorer 2)? I suspect this will further help with explorer 2 to load faster
Yes, that’s a valid architecture.
However, I’m afraid that won’t help much wrt performance since the bottleneck is very likely the DB and/or the disk IO…
Note that I’m currently working on the DB bottleneck at ingest time.
Thanks a lot. Will be looking forward to your DB bottleneck at ingest changes. Thanks for the good work
