Saga – poor file system performance

Start: 17.03.20 kl. 13.09
Saga

The parallel file system on Saga is currently under a lot of stress caused by the running jobs.

We are working on optimizing and speed up the file system together with the vendor.
In the mean time we kindly ask you to follow the guidlines listed at our documentation pages.

As a general rule:

  • file system performance decreases as the file system usage grows
  • the number of I/O operations is directly influencing the responsiveness of the file system
  • disk operations are with factor of thousand more expensive than memory operations
  • the higher the number of files, the slower the I/O is

Thank you for your understanding!

Metacenter Operations