Hi Utkarsh,
(apologies on resending this, first attempt was blocked because attached
screen shot exceeded 500kB)
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 (here's a screen shot
http://www.hpcvis.com/vis/images/pv/process-monitor.png).
In PV's 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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