(r2) ComputingService < Main

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---++ Computing Service

*2019:*

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JINR Tier1 computing service is presented:

 
   *   <strong><span style="color: sienna;">interactive cluster  </span></strong>(five 64-bit machines) 

and
    
   *  <strong><span style="color: sienna;"> computing farm: </span></strong>


Currently, the 2019 farm the data processing system at the JINR CMS Tier1 consists of :
 
*415*  64-bit machines (WNs): 2 x CPU, 6-16 core/CPU (Typically SuperMicro Blade), that forms altogether

Total:  *9200* core for batch  processing and provides

Total performance : *132813* HEP-kSI2k



   * <strong><span style="color: sienna;">cvmfs  </span></strong>

The CVMFS  is used to deploy large software packages of collaborations working in the WLCG.


   * <strong><span style="color: sienna;">Software:  </span></strong>

* OS: Scientific Linux release 6 x86_64.<br />  
* GCC: gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-3) <br />  
* C++: g++ (GCC) 4.4.7 20120313 (Red Hat 4.4.7-3)<br />  
* FC: GNU Fortran (GCC) 4.4.7 20120313 (Red Hat 4.4.7-3), 
* FLAGS: -O2 -pthread -fPIC -m32<br /> 
* SPECall_cpp2006 with 32-bit binaries<br /> 
* SPEC2006 version 1.1<br />  
* BATCH : Torque 4.2.10 (home made)<br />  
* Maui 3.3.2 (home made)<br />  
* CMS Phedex<br />  * dCache-3.2<br />  
* Enstore 4.2.2 for tape robot.

* WLCG 
(2xCREAM, 4xARGUS, BDII top, BDII site, APEL parsers, APEL publisher, 
EMI-UI, 220xEMI-WN + gLExec-wn, 4xFTS3, LFC, WMS, L&B, glite-proxyrenewal)
* cvmfs
* FTS



The *Torque 4.2.10/Maui 3.3.2* software (custom build) is used as a resource manager and task scheduler.

The *PhEDEx* software is used as a tool for management of CMS data placement.

The standard *WLCG* program stack is used for data processing.

*FTS* - File Transfer System  is used for data transfer .


-- Main.TWikiAdminUser - 2019-02-28
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Topic revision: r2 - 2019-03-25 - TWikiAdminUser
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