Tom Lane wrote:
> Josh Berkus <josh@agliodbs.com> writes:
> >> -- It will not lock any tables but will generate I/O.
>
> > add:
> > IMPORTANT: Depending on the size and configuration of your database,
> > this script may generate a lot of I/O and degrade database performance.
> > Users should execute this script during a low traffic period and watch
> > the database load.
>
> It might be worth suggesting that people can adjust their vacuum delay
> parameters to control the I/O load.
I talked to Tom about this and I am worried people will adjust it so it
takes days to complete. Is that a valid concern? Does anyone have a
suggested value?
-- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB
http://enterprisedb.com
+ It's impossible for everything to be true. +