computing

IO performance page

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Tests

  • BlueArc 2 Titan heads, fiber channel mounted over NFS on a farm of Linux 2.4.21-32.0.1.ELsmp #

Simple tests -- hdparm and dd

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Starting with the basics, hdparm:

Five samples of the following:

On eastwood:

Disk IO testing, comparative study 2008

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Two test nodes, named eastwood and newman, are configured for testing in summer 2008. 

Calling a FORtran subroutine from ROOT

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To use the fortran subroutine from ROOT C++ macro you are advised to use STAR build env as follows

Let's assume you need to call the subroutine:

How to use FORtran from a ROOT macro

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Conditions:To use the Fortran subroutines and functions 3 pre-conditions have to be met:

Online Linux pool

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Online Linux pool for general experiment support needs

 

GOAL: 

How to determine what is happening in slow or stuck processes?

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This tutorial is very specific to the cases where you have a process running (batch typically) and one of two conditions below is happening and you do not know why (but eventually, would like too :

Infrastructure

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The pages in this tree relates to the Infrastructure sub-group of the S&C team.

Overview

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List

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