On Nov 2, 2006, at 9:14 AM, Madison Kelly wrote:
  I've got a script (perl, in case it matters) that I need to run once
a month to prepare statements. This script queries and updates the
database a *lot*. I am not concerned with the performance of the SQL
calls so much as I am about the impact it has on the server's load.

  Is there a way to limit queries speed (ie: set a low 'nice' value on
a query)? This might be an odd question, or I could be asking the
question the wrong way, but hopefully you the idea. :)

The BizGres folks have been working on resource queuing, which will eventually do what you want. Take a look at the BizGres mailing list archives for more info.
--
Jim Nasby                                            [EMAIL PROTECTED]
EnterpriseDB      http://enterprisedb.com      512.569.9461 (cell)



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TIP 9: In versions below 8.0, the planner will ignore your desire to
      choose an index scan if your joining column's datatypes do not
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