Abstract
The Alpha Magnetic Spectrometer (AMS) is a particle physics experiment installed and operating aboard the International Space Station (ISS) from May 2011 and expected to last through 2028 and beyond. The AMS offline software is used for data reconstruction, Monte-Carlo simulation and physics analysis. This paper presents how we manage the offline software, including the version control, automatic integration, automatic deployment, and the distribution.
Highlights
As described in [1], the science data collected by the Alpha Magnetic Spectrometer [2] are transferred via the TDRS satellites to ground at White Sands, NM, and relayed to NASAMarshall Space Flight Centre (MSFC), AL
At MSFC data are firstly transferred to Alpha Magnetic Spectrometer (AMS) relay computers and to AMS Science Operation Centre (SOC) at CERN
Atomic operations: Concurrent Versions System [6] (CVS) is based on the per-file Revision Control System [9] (RCS) version control system, so commits are not atomic, and an interrupted operation may lead to an inconsistent state and a corruption
Summary
As described in [1], the science data collected by the Alpha Magnetic Spectrometer [2] are transferred via the TDRS satellites to ground at White Sands, NM, and relayed to NASAMarshall Space Flight Centre (MSFC), AL. At MSFC data are firstly transferred to AMS relay computers and to AMS Science Operation Centre (SOC) at CERN. The AMS offline software is designed to serve the AMS production needs, and covers the whole data processing chain of AMS science data
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