Re: High load on commit after important schema changes

On Fri, Aug 28, 2009 at 12:28:06PM -0400, Tom Lane wrote:
> Hm, do you have forty or so idle backends hanging around while this
> happens?  The only thing I can think of that might be causing this is
> shared cache invalidation messages being broadcast to all the other
> sessions.

I have about 1000 backends running. more of them (like 998) are usually
idling.

Best regards,

depesz

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