[Clusterusers] Re: [HELGA] RAM and swap and stuff

[Wm. Josiah Erikson]

No, I think I'll do this node by node as I can... don't worry about it.
    -Josiah


Dillon Campbell Compton wrote:
> Josiah -
>
> Do you want us to put a hold on starting new runs until you've got it switched
> over?
>
> //Dillon
>
> Quoting "Wm. Josiah Erikson" <wjerikson at hampshire.edu>:
>
>   
>> If I didn't think it was going to work, I wouldn't implement it.
>> If I were right all the time, I'd be... uh.... someone else :)
>>
>> There's a breve running on compute-0-1 anyway, so I can't do it now, but
>> I can do it from home, whenever. I could do all the nodes EXCEPT
>> compute-0-1 :)
>>
>> Oh look, compute-0-19 crashed... it'll be the new way when it comes back
>> up :)
>>
>>     -Josiah
>>
>>
>>
>> Chris Perry wrote:
>>     
>>> This sounds great. Do you need us to put a hold on renders or
>>> something? I'd love to see this in place sooner rather than later, but
>>> I also wonder about making a change on Friday afternoon. Do you
>>> foresee any risks in this?
>>>
>>> - chris
>>>
>>> On Nov 30, 2007, at 2:18 PM, Wm. Josiah Erikson wrote:
>>>
>>>       
>>>> Hey all,
>>>>    I have re-configured the cluster... but I have to reinstall it for
>>>> the second part to take effect, and restart alfserver for the first
>>>> part to take effect (for maya jobs). Here're the changes:
>>>>
>>>>    -no shell can allocate more than 4.2GB of RAM (I believe this
>>>> includes anything launched from a single alfserver, but I'm not sure
>>>> about this)
>>>>    -swap has been increased to 5GB (from 2GB)
>>>>
>>>>    This should prevent nodes from running out of RAM and crashing.
>>>>
>>>>    I could also tune certain kernel parameters to keep the kernel
>>>> from overcommitting RAM, but I don't want to do it until the 5GB of
>>>> swap per node is in place
>>>>
>>>>    I was going to do it just now during that break, but the cluster
>>>> seems to be full again, so I'll wait until later.
>>>>    I'm off....
>>>>
>>>>    -Josiah
>>>>
>>>> --
>>>> Wm. Josiah Erikson
>>>> Computing Support
>>>> School of Cognitive Science
>>>> Hampshire College
>>>> Amherst, MA 01002
>>>> (413) 559-6091
>>>>
>>>> _______________________________________________
>>>> Helga mailing list
>>>> Helga at lists.hampshire.edu
>>>> http://lists.hampshire.edu/mailman/listinfo/helga
>>>>         
>>> _______________________________________________
>>> Helga mailing list
>>> Helga at lists.hampshire.edu
>>> http://lists.hampshire.edu/mailman/listinfo/helga
>>>       
>> --
>> Wm. Josiah Erikson
>> Computing Support
>> School of Cognitive Science
>> Hampshire College
>> Amherst, MA 01002
>> (413) 559-6091
>>
>> _______________________________________________
>> Clusterusers mailing list
>> Clusterusers at lists.hampshire.edu
>> http://lists.hampshire.edu/mailman/listinfo/clusterusers
>>
>>     
>
>
> _______________________________________________
> Clusterusers mailing list
> Clusterusers at lists.hampshire.edu
> http://lists.hampshire.edu/mailman/listinfo/clusterusers
>   

-- 
Wm. Josiah Erikson
Computing Support
School of Cognitive Science
Hampshire College
Amherst, MA 01002
(413) 559-6091