computing

Simulated DB Load : SSD

Simulated DB Load : Solid State Disk

SysBench parameters: table with 20M rows, readonly. Allowed RAM limit: 2Gb to reduce fs caching effects.

 

Simulated DB Load : SAS

Simulated DB Load : Serial Attached SCSI

SysBench parameters: table with 20M rows, readonly. Allowed RAM limit: 2Gb to reduce fs caching effects.

 

Simulated DB Load : DRAM

Simulated DB Load Testing Results : DRAM

SysBench parameters: table with 20M rows, readonly. No RAM limit, /dev/shm was used as MySQL data files location.

Rules to Live By in Online Networking at STAR

Under:

Document everything!

All hardware with an IP address should be labelled.

production-status-update-run-2010

Under:

Run 2010 AuAu 7.7GeV - 200GeV data production

Last update on 2011-06-13

Production Status for run 2010

Under:



 

For EC and ED(s) (OBSOLETE)

Embedding instructions for EC and ED(s)

Obsolete documentations

Under:

For Embedding Helpers (OBSOLETE)

Embedding instructions for Embedding Helpers

  • Read more
  • Dynamic Random Access Memory testing results

    SysBench results for tmpfs using 6 GB of DRAM

    [ SAMSUNG DDR3-1333 MHz (0.8 ns) DIMM, part number : M393B5673DZ1-CH9 ]


  • Read more
  • Solid State Drive testing results

    Serial Attached SCSI drive testing results

    SysBench results for Fujitsu MBC2073RC

    Solid State Drives (SSD) vs. Serial Attached SCSI (SAS) vs. Dynamic Random Access Memory (DRAM)

    INTRODUCTION

    This page will provide summary of SSD vs SAS vs DRAM testing using SysBench tool. Results are grouped like this :

    CPU and bulk storage purchase 2010

     

    Institutional disk space summary

    Announcement for institutional disk space was made in starmail on 2010/04/26 12:31.

    2010

    Under:

    .

    TPC de/dx

    The TPC dE/dx calibration documentation from Run 11 can be found at the following:

    http://drupal.star.bnl.gov/STAR/blog/yiguo/2012/feb/01/runxi-dedx-calibration-recipe

    201004

    The topics were a "classic":

    • Action items since last group meeting + team matters
    • Focus activities
    • Q&A

     

    Offline QA technical documentation (old)

    Last Update: 29 April 2005
    (Inserted into Drupal on 30 Mar 2010, expect links to be broken!)<

    Archive: unsorted documents

    Temporary placeholder for two presentations made on :

    a) Online data processing review

    b) FileCatalog performance improvement

    Please see attached files

    Starting the Online Plots

    Under:

    Locations & account