학술논문
Overview of KAGRA : Data transfer and management
Document Type
Academic Journal
Author
Akutsu, T.; Ando, M.; Arai, K.; Arai, Y.; Araki, S.; Araya, A.; Aritomi, N.; Asada, H.; Aso, Y.; Bae, S.; Bae, Y.; Baiotti, L.; Bajpai, R.; Barton, M.A.; Cannon, K.; Cao, Z.; Capocasa, E.; Chan, M.; Chen, C.; Chen, K.; Chen, Y.; Chiang, C.-Y.; Chu, H.; Chu, Y.-K.; Eguchi, S.; Enomoto, Y.; Flaminio, R.; Fujii, Y.; Fujikawa, Y.; Fukunaga, M.; Fukushima, M.; Gao, D.; Ge, G.; Ha, S.; Hagiwara, A.; Haino, S.; Han, W.-B.; Hasegawa, K.; Hattori, K.; Hayakawa, H.; Hayama, K.; Himemoto, Y.; Hiranuma, Y.; Hirata, N.; Hirose, E.; Hong, Z.; Hsieh, B.; Huang, G.-Z.; Huang, H.-Y.; Huang, P.; Huang, Y.-C.; Huang, Y.; Hui, D.C.Y.; Ide, S.; Ikenoue, B.; Imam, S.; Inayoshi, K.; Inoue, Y.; Ioka, K.; Ito, K.; Itoh, Y.; Izumi, K.; Jeon, C.; Jin, H.-B.; Jung, K.; Jung, P.; Kaihotsu, K.; Kajita, T.; Kakizaki, M.; Kamiizumi, M.; Kanda, N.; Kang, G.; Kawaguchi, K.; Kawai, N.; Kawasaki, T.; Kim, C.; Kim, J.; Kim, J.C.; Kim, W.S.; Kim, Y.-M.; Kimura, N.; Kita, N.; Kitazawa, H.; Kobayashi, Y.; Kojima, Y.; Kokeyama, K.; Komori, K.; Kong, A.K.H.; Kotake, K.; Kozakai, C.; Kozu, R.; Kumar, R.; Kume, J.; Kuo, C.; Kuo, H.-S.; Kuromiya, Y.; Kuroyanagi, S.; Kusayanagi, K.; Kwak, K.; Lee, H.K.; Lee, H.W.; Lee, R.; Leonardi, M.; Li, K.L.; Lin, L.C.-C.; Lin, C.-Y.; Lin, F.-K.; Lin, F.-L.; Lin, H.L.; Liu, G.C.; Luo, L.-W.; Majorana, E.; Marchio, M.; Michimura, Y.; Mio, N.; Miyakawa, O.; Miyamoto, A.; Miyazaki, Y.; Miyo, K.; Miyoki, S.; Mori, Y.; Morisaki, S.; Moriwaki, Y.; Nagano, K.; Nagano, S.; Nakamura, K.; Nakano, H.; Nakano, M.; Nakashima, R.; Nakayama, Y.; Narikawa, T.; Naticchioni, L.; Negishi, R.; Quynh, L. Nguyen; Ni, W.-T.; Nishizawa, A.; Nozaki, S.; Obuchi, Y.; Ogaki, W.; Oh, J.J.; Oh, K.; Oh, S.H.; Ohashi, M.; Ohashi, T.; Ohishi, N.; Ohkawa, M.; Ohta, H.; Okutani, Y.; Okutomi, K.; Oohara, K.; Ooi, C.; Oshino, S.; Otabe, S.; Pan, K.; Pang, H.; Parisi, A.; Park, J.; Arellano, F.E. Pena; Pinto, I.; Sago, N.; Saito, S.; Saito, Y.; Sakai, K.; Sakai, Y.; Sakuno, Y.; Sasaki, Y.; Sato, S.; Sato, T.; Sawada, T.; Sekiguchi, T.; Sekiguchi, Y.; Shao, L.; Shibagaki, S.; Shimizu, R.; Shimoda, T.; Shimode, K.; Shinkai, H.; Shishido, T.; Shoda, A.; Somiya, K.; Son, E.J.; Sotani, H.; Sugimoto, R.; Suresh, J.; Suzuki, T.; Tagoshi, H.; Takahashi, H.; Takahashi, R.; Takamori, A.; Takano, S.; Takeda, H.; Takeda, M.; Tanaka, H.; Tanaka, K.; Tanaka, T.; Tanioka, S.; Martin, E.N. Tapia San; Telada, S.; Tomaru, T.; Tomigami, Y.; Tomura, T.; Travasso, F.; Trozzo, L.; Tsang, T.; Tsao, J.-S.; Tsubono, K.; Tsuchida, S.; Tsutsui, T.; Tsuzuki, T.; Tuyenbayev, D.; Uchikata, N.; Uchiyama, T.; Ueda, A.; Uehara, T.; Ueki, S.; Ueno, K.; Ueshima, G.; Uraguchi, F.; Ushiba, T.; van Putten, M.H.P.M.; Vocca, H.; Wang, J.; Washimi, T.; Wu, C.; Wu, H.; Wu, S.; Xu, W.-R.; Yamada, T.; Yamamoto, K.; Yamamoto, T.; Yamashita, K.; Yamazaki, R.; Yang, Y.; Yokogawa, K.; Yokoyama, J.; Yokozawa, T.; Yoshioka, T.; Yuzurihara, H.; Zeidler, S.; Zhan, M.; Zhang, H.; Zhao, Y.; Zhu, Z.-H.; Brockill, P.; Clark, J.A.; Zweizig, J.
Source
Progress of Theoretical and Experimental Physics. October, 2023, Vol. 2023 Issue 10, p1d, 18 p.
Subject
Language
English
Abstract
KAGRA is a newly built gravitational wave observatory, a laser interferometer with a 3 km arm length, located in Kamioka, Gifu prefecture, Japan. In this article, we describe the KAGRA data management system, i.e., recording of data, transfer from the KAGRA experiment site to computing resources, as well as data distribution to tier sites, including international sites in Taiwan and Korea. The amount of KAGRA data exceeded 1.0 PiB and increased by about 1.5 TB per day during operation in 2020. Our system has succeeded in data management, and has achieved performance that can withstand observations after 2023, that is, a transfer rate of 20 MB [s.sup.-1] or more and file storage of sufficient capacity for petabyte class. We also discuss the sharing of data between the global gravitational-wave detector network with other experiments, namely LIGO and Virgo. The latency, which consists of calculation of calibrated strain data and transfer time within the global network, is very important from the view of multi-messenger astronomy using gravitational waves. Real-time calbrated data delivered from the KAGRA detector site and other detectors to our computing system arrive with about 4-15 seconds of latency. These latencies are sufficiently short compared to the time taken for gravitational wave event search computations. We also established a high-latency exchange of offline calibrated data that was aggregated with a better accuracy compared with real-time data. Subject Index F3, F30, F32, F33
1. Introduction KAGRA is a ground-based laser interferometric gravitational wave detector placed underground in the Kamioka mine in Gifu prefecture, Japan [1-8]. It was originally called the Large-scale Cryogenic Gravitational [...]
1. Introduction KAGRA is a ground-based laser interferometric gravitational wave detector placed underground in the Kamioka mine in Gifu prefecture, Japan [1-8]. It was originally called the Large-scale Cryogenic Gravitational [...]