I remind you web2py/scripts/make_min_web2py.py
which makes web2py much smaller by eliminating rarely used module that consume lots of space. I am not sure about the impact on Ram but the impact on Disk space is significative. Massimo On Jan 2, 3:04 pm, Michael Ellis <[email protected]> wrote: > Found some advice from Massimo in another thread. > > After adding > > try: > _junk = db > except NameError: > _w2pdir = "/Users/mellis/web2py/" > sys.path.append(_w2pdir) > from gluon import DAL > db = DAL("sqlite://storage.sqlite", > folder = _w2pdir + "applications/welcome/databases", > auto_import = True) > > to my test script, running it without web2py gets the memory footprint > down from 25 Mb to 13Mb. That's definitely an improvement. Anyone > know how to shave it further? It still seems a little high for what > it's doing. > > On Jan 2, 3:01 pm, Michael Ellis <[email protected]> wrote: > > > > > > > > > Thanks Ross, that sounds like a good approach. I do something > > analogous in my app. All my scripts live in the app/modules/ > > directory. My app is a remote monitoring system running on a Foxconn > > NetTop under Linux Mint 10. There is a web2py http interface used > > for installation and configuration, but it's not used in day-to-day > > operation. > > The long-running scripts are children of a master script similar to > > the one I appended to my post except that it has additional code to > > fork the various child processes which, conveniently, inherit the > > web2py environment including the model. The child processes write > > incoming data to the sqlitedb, read from it to compute averaged data > > that gets sent a server in the cloud, monitor for anomalous > > conditions and send email alerts, etc. The master script does little > > more than launch the children, monitor them, and relaunch any that > > crash. > > What arguments do you use in your calls to DAL() to read in your > > model? I just pass 'storage.sqlite' and DAL() knows which app/database > > directory to use since the app name is passed in the web2py -S > > invocation. Do you have to do anything special when importing dal to > > make it work without the web2py shell? > > Cheers,Mike > > > On Jan 2, 1:32 pm, Ross Peoples <[email protected]> wrote: > > > > Mike, > > > > I haven't done any profiling on it, but I've had a lot of success using > > > the > > > multiprocessing library, importing the DAL, and using it directly without > > > using the rest of the web2py environment. I usually accomplish this by > > > creating a module (not model) and spinning off the other processes from > > > the > > > module, as the module will stay running after the initial request > > > finishes. > > > > Ross
