This is not a problem, but I would like to confirm that this pseudo code is 
best practice.

I have a single instance of web2py (2.13.4) with multiple applications, 
each application has its own MySQL database.

'init' is my control application which I use for administration.

In 'init' I want to access each of the other applications' databases.


for each app in applications:
db_app = DAL(app_uri, pool_size=5, ...)
..........
read/write to db_app
..........
db_app.commit()
db_app.close()


During testing I stressed this loop without a problem:

for i in range(200):
for each app in applications:
db_app = DAL(app_uri, pool_size=5, ...)
..........
read/write to db_app
..........
db_app.commit()
db_app.close()

Without the db_app.close() it would fail by running out of connections.

Is there anything about this approach I should be concerned with? Will the 
db_app.close() affect other users in the applications?

Thank-you for your advice!

-- 
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- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
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