Problems with listen / notify

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Hello

I am experiencing some strange behaviour with listen/notify via psycopg2.

When executing multiple notifies in a server *without* problems, a
python script gets all notifies defined in a period of time in one
poll() call (as expected)

But when running the same code against a server *with* problems, the
python script gets only one notify per poll() call.

Check http://pastebin.com/9itGKxJR for details of the two runs and the
python code used for this test.

postgreSQL version: 9.2.8
python 2.6.6 (RHEL6)
psycopg version: 2.5.3-1.rhel6

Any ideas about why this is happening?
Thanks in advance.

regards
- --
 Rafael Martinez Guerrero
 Center for Information Technology
 University of Oslo, Norway

 PGP Public Key: http://folk.uio.no/rafael/
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