Difference between revisions of "Data services"

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[[File:hw_lsdf.jpg|500px|right]]
The services currently provided by LSDF are:
 
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* Fast reliable storage acessible via standard protocols
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* [[Archival services]] for long term access to data
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* Cloud storage: [[S3 / REST]]
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* [[Hadoop data intensive computing framework]]
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* GridFTP [[Data Transfers]]
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* HTTP/SFTP [[data sharing service]]
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* [[GPU nodes (NVIDIA)]]
   
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== Access and use of services and resources ==
* Storage, comprising two systems with 1,4 PB and 500 TB
 
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* Request [[Access to Resources]]
* Cloud computing: OpenNebula cloud environment
 
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* After access is granted, continue to [[registration]]
* Hadoop data intensive computing framework
 
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* About [[LSDF Usage]]
 
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* Acceptible [[Services Usage]]
The "Hadoop cluster" consists of
 
* 58 nodes with 464 physical cores (2 sockets, 4 cores each, hyperthreading active)
 
* 36 GB of RAM
 
* 2 TB of disk each
 
* 1 GE network connection
 
* OS Scientific Linux 5.5
 
plus
 
* 2 headnodes (2 sockets, 4 cores each, hyperthreading active)
 
* 96 GB of RAM
 
* 10 GE network connection
 
* OS Scientific Linux 5.5
 
All nodes are however SHARED between the different Hadoop tasks and the OpenNebula virtual machines.
 

Latest revision as of 10:27, 29 July 2016

Hw lsdf.jpg

Access and use of services and resources