2021
DOI: 10.1051/epjconf/202125102066
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Abstract: Over the last two decades, ROOT TTree has been used for storing over one exabyte of High-Energy Physics (HEP) events. The TTree columnar on-disk layout has been proved to be ideal for analyses of HEP data that typically require access to many events, but only a subset of the information stored for each of them. Future colliders, and particularly HL-LHC, will bring an increase of at least one order of magnitude in the volume of generated data. Therefore, the use of modern storage hardware, such as low-latency h… Show more

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Cited by 3 publications
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“…Given the relevance of object stores in next-generation data centers (such as Aurora) as an alternative to conventional filesystems, there are ongoing efforts to support alternative backends in RNTuple, such as Intel DAOS [21] or Amazon S3. The use of object stores as a cache for accessed data is also being investigated [22].…”
Section: Data Location Transfer Cachingmentioning
confidence: 99%