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Nikhef Grid Computing Cluster (NDPF)

Aim: Provide the basics on the Nikhef Grid Computing Cluster (NDPF).

Target audience: Users of the NDPF.

Introduction

The Grid computing cluster (commonly referred to as NDPF, or the Nikhef Data Processing Facility) is the distributed computing facility at Nikhef.

The NDPF is comprised of approximately 10000 CPU cores. All nodes are running a CentOS 7 Linux operating system.

Usage

Access and Use

The Grid cluster can be accessed from the interactive Stoomboot nodes, but submitting jobs to it is usually handled by a collaboration's Grid production system. As a user, you'll typically submit jobs to your collaboration's production system, which will then run some of them at Nikhef.

Cluster activity

Real-time activity for the grid cluster. Click on the graphs to enlarge the image.

Most active experiments

per Hour per Day

Waiting jobs

per Hour per Day

Job waiting times

per Hour per Day

Note: The black line shows the time since the most recent job started. The purple line shows the mean time between job exits (inverse of the core rollover rate).

Other experiments

per Hour per Day

Waiting jobs

per Hour per Day

Job waiting times

per Hour per Day

Note: The black line shows the time since the most recent job started. The purple line shows the mean time between job exits (inverse of the core rollover rate).

Contact

  • Email grid.sysadmin@nikhef.nl for questions about the Grid cluster.