Re: 8.4 open item: copy performance regression?

Stefan Kaltenbrunner <stefan@kaltenbrunner.cc> writes:
> The following copying 3M rows(each) into a seperate table of the same 
> database.

Is this with WAL, or bypassing WAL?  Given what we've already seen,
a lot of contention for WALInsertLock wouldn't surprise me much here.
It should be possible to bypass that though.
        regards, tom lane