Re: [HTCondor-users] Which Java (32 or 64 bits) is available on execution node?

[kschwarz@xxxxxxxxxxxxxx]

Hi Todd,

Thank you for your answer.
I will work on that.

Best regards,
Klaus




From:      
 Todd Tannenbaum <tannenba@xxxxxxxxxxx>
To:      
 HTCondor-Users Mail
List <htcondor-users@xxxxxxxxxxx>, 
Date:      
 05/11/2015 15:24
Subject:    
   Re: [HTCondor-users]
Which Java (32 or 64 bits) is available on execution node?
Sent by:    
   "HTCondor-users"
<htcondor-users-bounces@xxxxxxxxxxx>

---

On 11/5/2015 10:03 AM, kschwarz@xxxxxxxxxxxxxx wrote:
> Hi all,
>
> Is there any way to know which Java Platform (32 or 64bits) is available
> on an Execute Machine?
> There are some ClassAds related to Java informations but I have not
> found any telling anyone with this information.
>
> HasJava = true
> JavaVendor = "Sun Microsystems Inc."
> JavaSpecificationVersion = "1.6"
> JavaMFlops = 512.064392
> JavaVersion = "1.6.0_17"
>
> The Machine Arch does not help because Java 32bits can be installed
on a
> 64bit machine .
>

For right now, I think you'd have to write a startd daemon classad hook
(sometimes called a "HawkEye" script) that runs a small shell/batch
script to publish a custom attribute. See http://is.gd/Rnur4I.
 A way to 
determine which JVM you have installed (32 or 64) from the command line
is available at http://is.gd/F3Oq5X

If this is something people commonly want to do, we could add this 
functionality into a future HTCondor release....

regards
Todd
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