Tom, Folks:

Joe and I were discussing your recent discussion about the costs of VACUUM and 
tuple maintainence, and I had an interesting idea.

How hard would it be to add a "WITH (VACUUM)" option to UPDATE and DELETE 
queries?   This option would cause the regular vacuum activity -- purging the 
dead tuple and its index references -- to be done immediately, as part of the 
statement, instead of being deferred.

I agree that we don't want immediate tuple maintainence, most of the time.  
However, a couple of my clients would really like to have a few queries do 
their vacuum immediately, and are currently getting around that by vacuuming 
every 5 mintutes.

Easy?  Hard?  Insane?  What do you think?

-- 
-Josh Berkus
 Aglio Database Solutions
 San Francisco


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