Extended File Attributes

One way to store metadata is with the originating file in extended file attributes.

What Is an Inode?

Understanding inodes is key to a better understanding of HPC filesystems.

Working with the Lustre Filesystem

The Lustre open source distributed, parallel filesystem scales to high-performance computing environments.

What is an IOPS Really?

IOPS is mentioned quite often when benchmarking and testing storage systems, but what does it really mean? We discuss and explain what an IOPS is, and how to measure it.

Mounting Compressed Archives as a User

Why splat a compressed archive in your storage when you can just mount it like a storage device?

Parallel and Encrypted Compression

You have the cores, so use them – to compress, that is.

File Compression for HPC

One of the most underutilized capabilities in Linux and HPC is compressing unused data files.

Processor Affinity for OpenMP and MPI

Processor affinity with serial, OpenMP, and MPI applications.

Processor and Memory Affinity Tools

Get better performance from your nodes by binding processes and associating memory to specific cores.

Darshan I/O Analysis for Deep Learning Frameworks

I/O Characterization of TensorFlow with Darshan