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From James Baker <james.d.ba...@gmail.com>
Subject Share database connections between annotators
Date Wed, 17 Sep 2014 09:33:58 GMT
What is the best way of sharing a database connection (in my case, to
MongoDB) between annotators?

Currently, I instantiate a new database connection for each annotator, but
as my UIMA pipeline now has over 50 annotators (not all of which connect to
the database), I am ending up with a large number of database connections.
Ideally, I'd like to move to a single connection pool that can be shared by
the annotators. The Mongo driver supports connection pooling, but I'm
unsure how best to implement in UIMA.

Any advice would be appreciated.


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