Are you doing any caching? Which OS? On Tuesday, 4 February 2014 19:33:35 UTC-6, [email protected] wrote: > > > Hi, > I am using web2py v2.8.2. My command line to launch web2py is "python > web2py -i 0.0.0.0" . I am using python 2.7.5 > I have a fair sized dataset, takes about 10sec to load from the datafiles > and perform some calc for lookup. > > Code is something like this: > lookup_data = fn_datalookup(filespath) > > I want to expose the lookup_data to a few controllers, but i want web2py > to load it only once and make it available to controllers that make the > request. Yes, global variable. Load once, read many as long as web2py is > up. Reason is : I don't want to loose 10sec on every request that needs to > work on this dataset. > > I tried the following: > 1. In a new model file: Call gets executed by all controllers, every time, > i.e. 10sec loss on every request in the app. Not a recommended approach > (based on documentation). Hence not good > > 2. In specific controllers: Takes 10sec to load on all valid calls, but > still not good. I don't want to loose 10sec on all valid requests. > > During web2py startup, can i load once and make it available as a global > read-only? If yes, how? > > If this has been answered before, please point to the post and i will > gladly read and learn from the answered post. My search didn't yield the > results. > > Another problem: > I noticed that the memory usage(VSZ, RSS) keeps going up and never came > down in both the above cases. i.e. every new call increased the memory > usage. I waited for more than an hour (with no activity), still didn't come > down > Web2py runs as a single process, doesn't spawn any new process on > requests.... Where can i find documentation on how web2py allocates and > deallocates resources and some best practices when working on long running > processes, large datasets. > > Thanks, > Yogesh >
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