Re: 8.4 open item: copy performance regression? - Mailing list pgsql-hackers

From Tom Lane
Subject Re: 8.4 open item: copy performance regression?
Date
Msg-id 4148.1245512289@sss.pgh.pa.us
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In response to Re: 8.4 open item: copy performance regression?  (Stefan Kaltenbrunner <stefan@kaltenbrunner.cc>)
List pgsql-hackers
Stefan Kaltenbrunner <stefan@kaltenbrunner.cc> writes:
>    and I believe I have seen the "more IO with 8.4" thing here too but I 
> have not actually paid enough attention yet to be sure.

FSM/VM overhead maybe?  I think COPY IN is setting the SKIP_FSM bit,
but I wonder if there's some vestigial overhead anyway.
        regards, tom lane


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