Onsite data processing and monitoring for the Daya Bay experiment

LIU Ying-Biao; HE Miao; LIU Bei-Jiang; WANG Meng; MA Qiu-Mei; QI Fa-Zhi; ZENG Shan

doi:10.1088/1674-1137/38/8/086001

Chinese Physics C> 2014, Vol. 38> Issue(8) : 086001 DOI: 10.1088/1674-1137/38/8/086001

Onsite data processing and monitoring for the Daya Bay experiment

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The Daya Bay Reactor Neutrino Experiment started running on September 23, 2011. The offline computing environment, consisting of 11 servers at Daya Bay, was built to process onsite data. With the current computing ability, onsite data processing is running smoothly. The Performance Quality Monitoring system (PQM) has been developed to monitor the detector performance and data quality. Its main feature is the ability to efficiently process multiple data streams from the three experimental halls. The PQM processes raw data files from the Daya Bay data acquisition system, generates and publishes histograms via a graphical web interface by executing the user-defined algorithm modules, and saves the histograms for permanent storage. The fact that the whole process takes only around 40 minutes makes it valuable for the shift crew to monitor the running status of all the sub-detectors and the data quality.

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LIU Ying-Biao, HE Miao, LIU Bei-Jiang, WANG Meng, MA Qiu-Mei, QI Fa-Zhi and ZENG Shan. Onsite data processing and monitoring for the Daya Bay experiment[J]. Chinese Physics C, 2014, 38(8): 086001. doi: 10.1088/1674-1137/38/8/086001

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Received: 2013-09-11
Revised: 2013-09-27

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Onsite data processing and monitoring for the Daya Bay experiment

Corresponding author: LIU Ying-Biao,

Corresponding author: HE Miao,

Received Date: 2013-09-11

Accepted Date: 2013-09-27

Available Online: 2014-08-05

Abstract: The Daya Bay Reactor Neutrino Experiment started running on September 23, 2011. The offline computing environment, consisting of 11 servers at Daya Bay, was built to process onsite data. With the current computing ability, onsite data processing is running smoothly. The Performance Quality Monitoring system (PQM) has been developed to monitor the detector performance and data quality. Its main feature is the ability to efficiently process multiple data streams from the three experimental halls. The PQM processes raw data files from the Daya Bay data acquisition system, generates and publishes histograms via a graphical web interface by executing the user-defined algorithm modules, and saves the histograms for permanent storage. The fact that the whole process takes only around 40 minutes makes it valuable for the shift crew to monitor the running status of all the sub-detectors and the data quality.

Onsite data processing and monitoring for the Daya Bay experiment

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通讯作者: 陈斌, bchen63@163.com

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