ATLAS DCS Data Viewer

Project Description

The most up-to-date documentation describing the project comes from the CHEP 2016 conference:
  • proceedings: PDF.
  • poster: PDF.

The some of folowing paragraphs comes as pdf PDF.


The project aims for implementing a data viewing application for DCS data. The project resembles an effort to combine the experience, man power and software components and concepts from the two existing tools “DCS Web Viewer” and “PVSS Data Viewer”. The application is meant to be complementary to any existing PVSS-based applications and primarily targets users from the whole ATLAS collaboration allowing to access and display data from the PVSS Oracle archives.


The first implementation should be able to cover all basic features implemented of the above mentioned previous applications. A detailed list of specifications (v0.1) is found in the appendix and serves as a starting point for the development. It is meant to be subject to revision driven by development experience and end-user requests. User requests have to be agreed upon by the project members. Additionally, the tool must allow developing customizations of data selection and representation by external authors, e.g. specific sub-detector extensions (“plugins”) which build on the functionality of the core tool.

Members and Contributions

The project contains the following members together with their contributions. The contributions represent the minimum resources for the development and maintenance of the core application and can be changed on agreement with all project members. The contributions have to be revisited for long-term maintenance and/or extensions of the application latest one year after the project start. Member additions should be done adding at least 0.25 FTE per member during the initial development phase.

Institute Members FTE
ATLAS Central DCS, CERN Stefan Schlenker, Charilaos Tsarouchas 0.5
Centre de Physique des Particules de Marseille Dirk Hoffmann, Olivier Pisano 1
University of Glasgow Saverio D’Auria 0.25
Universitŗ di Udine Luca Luisa (tbr), ? 0.5
Albert-Ludwigs-Universitšt Freiburg Urban Bitenc 0.25
CERN, IDE ? 0.5

Technical Architecture

The tentative technical architecture is outlined in the figure. Details have to be agreed on in the initial project phase by all project members. It should be noted that this architecture allows to start from existing implementations of the two pioneering applications.


The project is coordinated by ATLAS Central DCS. Biweekly meetings of the project members should be held at least until the project reaches the maintenance phase.

DDV Access

Use to access the DDV production version.


Link to DDV Viewer project in Git.
Link to DDV Client project in Git.
Link to previus repository of the project in SVN.

External site Software Used And Installations

External site Project Development Steps

External site DDV Python Server

External site DDV Log Access

External site DDV External Requests

External site DDV Analytics

External site DDV rpm

External site Recover DDV and Start/Stop files

External site DDV Atlas Central Service

External site DDV Statistics

External site DDV Single Sign On (SSO)

External site DDV Help

External site DDV meeting slides

External site DDV documentation (publications etc.)

External site DDV features and it's description

Major updates:
-- JulianPiotrMaciejewski - 2017-06-20

Responsible: StefanSchlenker
Last reviewed by: Never reviewed

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Topic revision: r33 - 2019-11-01 - SlavaKhomutnikov
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