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wiki:ponyland:about

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.


Administration

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):

    11T


Derpy & Spitfire

List of dedicated servers

AddressRAMLocal disk spaceCPU threadsPurpose
spitfire.science.ru.nl webserver
derpy.science.ru.nl dataserver
applejack.science.ru.nl 515G 3.5T 32 webserver, special purpose, portal
mlp01.science.ru.nl 504G 2.9T 56 'the new Applejack', 'Applejack 2',future replacement for Applejack


Ponies (computing nodes)

List of Pony-servers (computing nodes)

AddressCode nameRAMLocal disk spaceCPU threadsGPU
blossomforth.science.ru.nlmlp09256G1.5T32no
cheerilee.science.ru.nlmlp05256G1.7T32no
fancypants.science.ru.nlmlp06512G1.7T32no
featherweight.science.ru.nlmlp08256G1.5T32no
fluttershy.science.ru.nlmlp02252G1.6T40no
pipsqueak.science.ru.nlmlp07256G1.7T32no
rarity.science.ru.nlmlp03256G3.5T40no
scootaloo.science.ru.nlmlp04256G3.5T40no
thunderlane.science.ru.nlmlp10128G1.6T321x NVIDIA Tesla M40
twist.science.ru.nlmlp11128G1.7T322x 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