[Zope] A question on pool-size

Manuel Vázquez Acosta mva.led at gmail.com
Tue Jun 26 16:52:06 EDT 2007


Hi all,

I'm having a rather weird behavior configuring pool-size.

I put a pool-size of 20 on two zeo-clients, but monitoring one of them I saw
this on logs:

2007-06-26T16:47:02 WARNING ZODB.DB DB.open() has 19 open connections with a
pool_size of 10
------
2007-06-26T16:47:02 WARNING ZODB.DB DB.open() has 20 open connections with a
pool_size of 10
------
2007-06-26T16:47:02 CRITICAL ZODB.DB DB.open() has 90 open connections with
a pool_size of 7

Sometimes it reported pool-size of 10, and sometimes it reported 7! What
could this be?

Another question: My expect a load of 50 concurrent requests, so I set
zserver-threads to 25 on both zeo-clients, and a pool-size of 20 (but
behaving as explained above). Do this conf make any sense? Where should I
read to get more info about this matter?

Best regards,
Manuel.
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