[Paraview] ANN: ParaView 3.14, Release Candidate 2 Available

[Andy Bauer]

+1 for showing the total memory usage per node/machine.  When I looked at
the one in 3.14 I was thinking that it would be nice to know that
information for all processes sharing the same memory.

On Fri, Feb 10, 2012 at 2:11 PM, Burlen Loring <bloring at lbl.gov> wrote:

> Great! let me know if there is anything I can do! More recently I had
> revised the panel to make launching remote gdb sessions easier, and making
> it easier to navigate through larger runs (256+ procs).
>
> I just noticed that the memory inspector panel in 3.14 is not reporting
> per-process values which is what I was expecting. So I was wrong, there is
> no bug in the units.  Sorry for the false alarm.
>
> Burlen
>
>
> On 02/10/2012 11:14 AM, Utkarsh Ayachit wrote:
>
>> Burlen,
>>
>> That looks pretty slick! If I had known earlier I would have started
>> with your code :). Any case, what you have definitely sounds
>> interesting. We should work on integrating the two in the future.
>>
>> Utkarsh
>>
>> On Fri, Feb 10, 2012 at 1:30 PM, Burlen Loring<bloring at lbl.gov>  wrote:
>>
>>> Hi Utkarsh,
>>>
>>> Those sound like wonderful additions especially the new transfer function
>>> editor, I can't wait to start using 3.14!
>>>
>>> I want to share some experience re: the memory inspector as I had written
>>> something similar as a source plugin called the Process Monitor a while
>>> back
>>> (screen shot attached). In  the memory inspector panel it would be
>>> useful to
>>> organize the server ranks by host name and display the total memory used
>>> on
>>> each host by the pvservers. This sum is necessary to know how close you
>>> are
>>> to actually running out.
>>>
>>> It may also be useful to display memory usage as both absolute and %
>>> used.
>>> The latter would easily enable adding visual ques to the panel (eg. row
>>> color is changed to red when more than 75% of memory is used on an
>>> individual host) to warn the user that they are in danger of a crash.
>>>
>>> You may want to consider adding an "override" for reporting the amount of
>>> free ram (and % used) when the server is run on an SMP such as NICS
>>> Nautilus. Although Nautilus has 4TB of ram, users need to request a
>>> specific
>>> amount of ram per core when submitting a job. The kernel will kill the
>>> process that uses more than the requested amount, so what the system
>>> reports
>>> as free memory is fairly useless.
>>>
>>> An old version of the Process Monitor is in the SciVisToolKit plugin,
>>> note
>>> that mac server side code is not finished so only windows and linux
>>> servers
>>> are currently are handled. The process monitor has a number of additional
>>> debugging features such as the ability to attach gdb to remote servers,
>>> and
>>> enable backtrace on sig SEGV etc.
>>>
>>> You should also double check that the memory used value you report is
>>> accurate. When I tested the 3.14 binary I noticed that it reports 4G used
>>> when top reports only using 425m. There may be a bug in your unit
>>> conversion.
>>>
>>> Hope this feedback is useful, I had intended to share this work but just
>>> haven't had the time to finish the mac implementation. It's great that
>>> you
>>> have added it!
>>> Burlen
>>>
>>>
>>>
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