Data services: Difference between revisions

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The "Hadoop cluster" consists of
The "Hadoop cluster" consists of
* 58 nodes with 464 physical cores (2 sockets, 4 cores each, hyperthreading active)
* 58 nodes with 464 physical cores
** 2 sockets Intel Xeon CPU E5520 @ 2.27GHz, 4 cores each, hyperthreading active
* 36 GB of RAM
* 36 GB of RAM
* 2 TB of disk each
* 2 TB of disk each
* 1 GE network connection
* 1 GE network connection
* OS Scientific Linux 5.5
* OS Scientific Linux 5.5
** Linux kernel 2.6.18
plus
plus
* 2 headnodes (2 sockets, 4 cores each, hyperthreading active)
* 2 headnodes
** 2 sockets Intel Xeon CPU E5520 @ 2.27GHz, 4 cores each, hyperthreading active
* 96 GB of RAM
* 96 GB of RAM
* 10 GE network connection
* 10 GE network connection
* OS Scientific Linux 5.5
* OS Scientific Linux 5.5
** Linux kernel 2.6.18
All nodes are however SHARED between the different Hadoop tasks and the OpenNebula virtual machines.
All nodes are however SHARED between the different Hadoop tasks and the OpenNebula virtual machines.

Revision as of 18:01, 25 May 2012

The services currently provided by LSDF are:

  • Storage, comprising two systems with 1,4 PB and 500 TB
  • Cloud computing: OpenNebula cloud environment
  • Hadoop data intensive computing framework

The "Hadoop cluster" consists of

  • 58 nodes with 464 physical cores
    • 2 sockets Intel Xeon CPU E5520 @ 2.27GHz, 4 cores each, hyperthreading active
  • 36 GB of RAM
  • 2 TB of disk each
  • 1 GE network connection
  • OS Scientific Linux 5.5
    • Linux kernel 2.6.18

plus

  • 2 headnodes
    • 2 sockets Intel Xeon CPU E5520 @ 2.27GHz, 4 cores each, hyperthreading active
  • 96 GB of RAM
  • 10 GE network connection
  • OS Scientific Linux 5.5
    • Linux kernel 2.6.18

All nodes are however SHARED between the different Hadoop tasks and the OpenNebula virtual machines.

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