Hello, While reviewing AMS software suite for installation, I noticed this remark (https://www.scm.com/doc/Installation/Additional_Information_and_Known_Issues.html#gpfs-file-system):
----- GPFS file system<https://www.scm.com/doc/Installation/Additional_Information_and_Known_Issues.html#gpfs-file-system> Starting with AMS2019, the KF sub-system (used for handling binary files such as ADF’s TAPE* files) has been rewritten to use memory-mapped files. The mmap() system call implementation is file-system dependent and, unfortunately, it is not equally efficient in different file systems. The memory-mapped files implementation in GPFS is extremely inefficient. Therefore the users should avoid using a GPFS for scratch files -------- Is this claim true? Are there caveats to this statement, if true? Thanks, Oluwasijibomi (Siji) Saula HPC Systems Administrator / Information Technology Research 2 Building 220B / Fargo ND 58108-6050 p: 701.231.7749 / www.ndsu.edu<http://www.ndsu.edu/> [cid:image001.gif@01D57DE0.91C300C0]
_______________________________________________ gpfsug-discuss mailing list gpfsug-discuss at spectrumscale.org http://gpfsug.org/mailman/listinfo/gpfsug-discuss