Thank you Robert, I was waiting to hear that.
Warm Regards Sarfaraz Farooqui -- Strong and bitter words indicate a weak cause On Sun, Dec 26, 2010 at 10:48 AM, Robert Kluin <robert.kl...@gmail.com>wrote: > Hi, > Check out the section of the docs on metadata queries. You can > easily get a list of your namespaces. > > http://code.google.com/appengine/docs/python/datastore/metadataqueries.html > > I may be wrong, but I believe the admin panel's stats cover the > whole app -- not any one namespace. The stats can sometimes take a > while to update. > > Ultimately, the choice of using a reference-property versus > namespaces will probably come down to your preferences as much as your > needs. Namespaces give you the ability to do some things very > cleanly, but they also add some restrictions. > > > Robert > > > > > > > > On Sat, Dec 25, 2010 at 04:42, Sarfaraz <sarfaraz.faroo...@gmail.com> > wrote: > > Dear Robert, > > > > Thank you for replying, > > > > regarding backups I am still thinking of an efficient way.... > > I would be very gald to get your help on that once I finish up with my > app > > > > for user authentication I cannot use openid or google user accounts. > because > > most of my clients will not have either of them. apart from that each of > my > > users (Tenants) will be creating their own Users, Departments, > Designations, > > Accounting Heads, Material Types, Etc etc. > > > > > > I also noticed one thing..... the google apps admin panel doesnt show > > statistics for different namespaces except the default one. it also > doesnt > > show the namespaces anywhere. This is scaring me away from using > namespaces > > > > I am still wondering if I can go with namespaces instead of creating a > > TenantId column > > example : TenantId = db.ReferenceProperty(Tenants) in each entity. > > > > > > Regards > > Sarfraz Farooqui > > > > > > > > > > Warm Regards > > Sarfaraz Farooqui > > -- > > Strong and bitter words indicate a weak cause > > > > > > > > On Sat, Dec 25, 2010 at 10:58 AM, Robert Kluin <robert.kl...@gmail.com> > > wrote: > >> > >> Hi Sarfaraz, > >> If you read about namespaces, and look at the code a bit, you'll see > >> that they are something like a key-prefix -- just like your appid. So > >> if your data is well suited for that type of compartmentalization, you > >> should have no problems with many namespaces. Keep in mind, it would > >> be difficult to query across (all or a large set of) namespaces; > >> unless you implement your own index to facilitate the query. > >> > >> However you manage your user authentication, I think that approach > >> is probably ok (though personally I would encourage you to look into > >> OpenID or Google Accounts). I do something similar with an OpenID > >> 'authed' app. I store my own 'User' kind and use information stored > >> on the user's entity to set the namespace. Just make sure however you > >> are storing your namespace provides some kind of protection against > >> me 'spoofing' my tenant-id (during login and in regular usage). > >> > >> You might want to mention how you are, or plan to, do your backups > >> if you would like feedback on that. I've got my own backup solutions > >> I use, depending on the app and that type of data you'll be handling. > >> Most other people I've spoken with do too. > >> > >> > >> Robert > >> > >> > >> > >> > >> On Fri, Dec 24, 2010 at 11:01, Sarfaraz <sarfaraz.faroo...@gmail.com> > >> wrote: > >> > Hi, > >> > > >> > I am planning to use namespace_manager to create a multitenant > >> > application, > >> > I have few questions in mind > >> > > >> > 1. is there any limit on the number of namespaces I can create and > >> > use. for > >> > example > >> > If i have 3000 Tenants, Can I create 3000 namespaces to store data > >> > in a > >> > compartmentalized manner for each client/tenant. > >> > > >> > 2. I plan to create an Entity in the Global Namespace which will Store > >> > My > >> > Tenants information. Each Tenant can create his own users , I am > >> > managing > >> > the user accounts on my own instead of using User object or openid.. > >> > When > >> > any User logs in, I will store his Tenant Id in a Session (Using > >> > GaeSessions). and when ever I have to read or write data to entities I > >> > will > >> > set the current name space to the Tenant Id. Is this a good way, or is > >> > there > >> > any thing better. > >> > > >> > 3. Finally I would like to know things I should be aware of while > using > >> > Gaesessions and Namespace manager, what kind of problems I may face in > >> > the > >> > future or day to day management activities. like backups, restores > etc. > >> > > >> > > >> > Thanks and Regards > >> > Sarfaraz Farooqui > >> > > >> > > >> > Warm Regards > >> > Sarfaraz Farooqui > >> > -- > >> > Strong and bitter words indicate a weak cause > >> > > >> > > >> > -- > >> > You received this message because you are subscribed to the Google > >> > Groups > >> > "Google App Engine" group. > >> > To post to this group, send email to > google-appeng...@googlegroups.com. > >> > To unsubscribe from this group, send email to > >> > google-appengine+unsubscr...@googlegroups.com<google-appengine%2bunsubscr...@googlegroups.com> > . > >> > For more options, visit this group at > >> > http://groups.google.com/group/google-appengine?hl=en. > >> > > >> > >> -- > >> You received this message because you are subscribed to the Google > Groups > >> "Google App Engine" group. > >> To post to this group, send email to google-appeng...@googlegroups.com. > >> To unsubscribe from this group, send email to > >> google-appengine+unsubscr...@googlegroups.com<google-appengine%2bunsubscr...@googlegroups.com> > . > >> For more options, visit this group at > >> http://groups.google.com/group/google-appengine?hl=en. > >> > > > > -- > > You received this message because you are subscribed to the Google Groups > > "Google App Engine" group. > > To post to this group, send email to google-appeng...@googlegroups.com. > > To unsubscribe from this group, send email to > > google-appengine+unsubscr...@googlegroups.com<google-appengine%2bunsubscr...@googlegroups.com> > . > > For more options, visit this group at > > http://groups.google.com/group/google-appengine?hl=en. > > > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" group. > To post to this group, send email to google-appeng...@googlegroups.com. > To unsubscribe from this group, send email to > google-appengine+unsubscr...@googlegroups.com<google-appengine%2bunsubscr...@googlegroups.com> > . > For more options, visit this group at > http://groups.google.com/group/google-appengine?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appeng...@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
