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About Ponyland

Ponyland is the informal name (officially Equestria) of the Computer Cluster for CLS. The cluster is used in the following ways:

  • Store databases and corpora
  • Run experiments
  • Parallel processing of huge datasets
  • Provide a Linux/Unix environment to users
  • Host several websites for CLS projects and affiliates

This service is provided for employees of CLS, affiliated guest researchers and student assistants.


The cluster is hosted by C&CZ at Faculty of Science (Huygensgebouw). Technical maintenance is provided by FNWI and user-support by Wessel Stoop.

Hardware specifications

Hardware was installed in June 2012. The cluster consists of several rack-mounted servers, with the following specifications:

  • 128GB, 192GB, 256GB or 512GB RAM, see below
  • 2CPUs with 8 cores each and hyperthreading (32 virtual cores) (Intel® Xeon® Processor E5-2660)
  • Local hard disks 2TB (2x2TB Mirror-RAID)
  • Network disk (RAID, on derpy):


Derpy & Spitfire

List of dedicated servers

AddressRAMLocal disk spaceCPU threadsAccessiblePurpose webserver dataserver 504G 2.9T 56 y webserver, special purpose, portal

Ponies (computing nodes)

List of Pony-servers (computing nodes)

AddressBoring nameRAMLocal disk spaceCPU threadsGPU NVIDIA Tesla M40 NVIDIA Tesla M40

Please avoid Fancypants if you don't need the memory.

Available software

Disk Arrangement

Usage guidelines

wiki/ponyland/about.txt · Last modified: 2016/11/25 14:21 by Wessel Stoop