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I run 128 MB on my mac and haven't ran into any issues yet, but I'm sure you abuse your IDV a bit more than me :-) Sean > I'd have to run some tests to make sure 128 works on the mac. It might > need to be 256. > > Don > > On 4/3/12 11:01 AM, Unidata IDV Support wrote: > > I wouldn't have a problem with 128 MB - I don't think it would hurt > > anything, although we should do some checks to make sure that the automagic > > memory management does not allocate too much memory for the edge cases when > > a user puts something like "Use 99% of available memory" in their system > > preferences. > > > > Sean > > > >> 64m does not work on a mac, so the default has to be 128. What if that > >> was the default for all OS's? > >> > >> Don > >> > >> On 4/3/12 10:00 AM, Unidata IDV Support wrote: > >>> Hi Don, > >>> > >>> The default minimum for the JVM is 64 MB. I think as long as the IDV can > >>> startup at 64 MB, we set it to that. We can recommend that Mac users bump > >>> it up to 128 MB (or maybe we can edit the Mac installer to use 128 MB by > >>> default). I just think it would be nice to get this in the release. As > >>> far as git, if you'd like to sit down and go through a few "branch, hack, > >>> commit, push" cycles, I'd be happy to do so! > >>> > >>> Sean > >>> > >>>> Sean- > >>>> > >>>> The tricky think is what to use as a minimum. I think that varies from > >>>> system to system. On the mac, it seems like 128 is a bare minimum. And > >>>> then you have to worry about how much total memory the user has. I have > >>>> versions of runIDV and runIDV.bat which go along with the user > >>>> preference. I can send those to you if you want. I'm not having fun > >>>> with Git - otherwise, I'd make a branch. ;-) > >>>> > >>>> Don > >>>> > >>>> On 4/3/12 9:01 AM, Unidata IDV Support wrote: > >>>>> Hi Don! > >>>>> > >>>>> I was (finally) looking into the PermGen stuff and noticed that you > >>>>> checked in some code back in December to handle this in the System > >>>>> Preference Tab, as well as code to handle saving the preference - > >>>>> awesome! I did some testing with jvisualvm to see how the PermGen space > >>>>> changed while abusing the IDV, and with 6 GB I was able to get 108 MB > >>>>> (I loaded about 20 or so bundles, has 12 views as well as data panels, > >>>>> etc.), so I would say 512 MB is a good upper limit. If you want, I can > >>>>> open a ticket on Redmine for discussion on the topic so that we can get > >>>>> your work in the tree...this will really help windows users, as they > >>>>> get a bit finicky when they have to edit the runIDV.bat script using > >>>>> admin privileges. > >>>>> > >>>>> Thanks! > >>>>> > >>>>> Sean > >>>>> > >>>>>> Hi Sean- > >>>>>> > >>>>>> Thanks for looking into this. It's becoming more and more of an > >>>>>> annoyance (especially on MacOS) and I'm surprised that no one has > >>>>>> written in to complain (besides me). > >>>>>> > >>>>>> I've been using 256 and 512 (depending on how much memory I allocate to > >>>>>> the IDV which varies between 2 and 8 GB). > >>>>>> > >>>>>> I think we need to allow the user to set it through the system tab of > >>>>>> the user preferences in case the default doesn't work. I think > >>>>>> starting > >>>>>> small (i.e. 128) would be fine and the UI could just be an editable > >>>>>> combo box of 128, 256, 512 (editable so the user can type in their own > >>>>>> amount if they want). The selected value would be used in the > >>>>>> runIDV/runIDV.bat scripts. > >>>>>> > >>>>>> Let me know if you have any questions about how to implement this. > >>>>>> > >>>>>> Don > >>>>>> > >>>>>> On 10/7/11 2:02 PM, Unidata IDV Support wrote: > >>>>>>> Don, > >>>>>>> > >>>>>>> What would be the downside of adding -XX:MaxPermSize=128m to runIDV? > >>>>>>> 128 MB seems to keep things under control on my system (I think the > >>>>>>> default is 64MB). > >>>>>>> > >>>>>>> Sean > >>>>>>> > >>>>>>> > >>>>>>>> Hi- > >>>>>>>> > >>>>>>>> During the recent AAP workshop, we were running the IDV under CentOS > >>>>>>>> in > >>>>>>>> a virtual machine set up under Oracle's Virtual Box. The native > >>>>>>>> system > >>>>>>>> had 2 GB of memory and the VM's were set up to allocate 1.5 GB. > >>>>>>>> > >>>>>>>> The first problem was that the IDV only allocated 512 MB of the 1.5 > >>>>>>>> available. This caused problems loading satellite images and any > >>>>>>>> other > >>>>>>>> raster data. > >>>>>>>> > >>>>>>>> The second issue was getting PermGen errors. This seems to be > >>>>>>>> cropping > >>>>>>>> up more and more. At the very least, there should be an FAQ item on > >>>>>>>> this, but it might be useful to have a permgen setting in the System > >>>>>>>> tab > >>>>>>>> of the Preferences so the users don't have to edit runIDV to account > >>>>>>>> for > >>>>>>>> this. > >>>>>>>> > >>>>>>>> Don > >>>>>>>> -- > >>>>>>>> Don Murray > >>>>>>>> NOAA/ESRL/PSD and CIRES > >>>>>>>> 303-497-3596 > >>>>>>>> http://www.esrl.noaa.gov/psd/people/don.murray/ > >>>>>>>> > >>>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> Ticket Details > >>>>>>> =================== > >>>>>>> Ticket ID: SRS-784269 > >>>>>>> Department: Support IDV > >>>>>>> Priority: Critical > >>>>>>> Status: Open > >>>>>>> > >>>>>> > >>>>>> -- > >>>>>> Don Murray > >>>>>> NOAA/ESRL/PSD and CIRES > >>>>>> 303-497-3596 > >>>>>> http://www.esrl.noaa.gov/psd/people/don.murray/ > >>>>>> > >>>>>> > >>>>> > >>>>> > >>>>> Ticket Details > >>>>> =================== > >>>>> Ticket ID: SRS-784269 > >>>>> Department: Support IDV > >>>>> Priority: Critical > >>>>> Status: Open > >>>>> > >>>> > >>>> -- > >>>> Don Murray > >>>> NOAA/ESRL/PSD and CIRES > >>>> 303-497-3596 > >>>> http://www.esrl.noaa.gov/psd/people/don.murray/ > >>>> > >>>> > >>> > >>> > >>> Ticket Details > >>> =================== > >>> Ticket ID: SRS-784269 > >>> Department: Support IDV > >>> Priority: Critical > >>> Status: Open > >>> > >> > >> -- > >> Don Murray > >> NOAA/ESRL/PSD and CIRES > >> 303-497-3596 > >> http://www.esrl.noaa.gov/psd/people/don.murray/ > >> > >> > > > > > > Ticket Details > > =================== > > Ticket ID: SRS-784269 > > Department: Support IDV > > Priority: Critical > > Status: Open > > > > -- > Don Murray > NOAA/ESRL/PSD and CIRES > 303-497-3596 > http://www.esrl.noaa.gov/psd/people/don.murray/ > > Ticket Details =================== Ticket ID: SRS-784269 Department: Support IDV Priority: Critical Status: Open