Handling trillions of supercomputer files just got simpler

"We designed DeltaFS to enable the creation of trillions of files," said Brad Settlemyer, a Los Alamos computer scientist and project leader. Los Alamos National Laboratory and Carnegie Mellon University jointly developed DeltaFS. "Such a tool aids researchers in solving classical problems in high-performance computing, such as particle trajectory tracking or vortex detection."

DeltaFS builds a file system that appears to the user just like any other file system, doesn't require specialized hardware, and is exactly tailored to assisting the scientist in new discoveries when using a high-performance computing platform.

"One of the foremost challenges, and primary goals of DeltaFS, was scaling across thousands of servers without requiring a portion of them be dedicated to the file system," said George Amvrosiadis, assistant research professor at Carnegie Mellon University and a coauthor on the project. "This frees administrators from having to decide how to allocate resources for the file system, which will become a necessity when exascale machines become a reality."

The file system brings about two important changes in high-performance computing. First, DeltaFS enables new strategies for designing the supercomputers themselves, dramatically changing the cost of creating and managing files. In addition, DeltaFS radically improves the performance of highly selective queries, dramatically reducing time to scientific discovery.

DeltaFS is a transient, software-defined service that allows data to be accessed from a handful up to hundreds of thousands of computers based on the user's performance requirements.

More information: GitHub link: github.com/pdlfs/deltafs/

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