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The memory filesystems can really enhance the performance of small I/O operations. If you have a localized single node I/O jobs that have very intensive random access patterns, this filesystem may improve the performance of your compute job.
The Data-new Alcova filesystems are only available from the login nodes, not on the compute nodes. Storage space on the MedicineBow global filesystems does not imply storage space on the ARCC Data-new Alcova or vice versa. For more information about new Alcova filesystem on Data -Alcova please see: Alcova <-Rename Data -on Alcova