Re: 8.4 open item: copy performance regression?

Andrew Dunstan <andrew@dunslane.net> writes:
> Tom Lane wrote:
>> Alan Li <ali@truviso.com> writes:
>>> How much concern is there for the contention for use cases where the WAL
>>> can't be bypassed?
>> 
>> If you mean "is something going to be done about it in 8.4", the
>> answer is "no".  This is a pre-existing issue that there is no simple
>> fix for.

> I thought he was asking if we intend to provide for WAL bypass on a 
> table by table basis in future.

I thought he was asking for a solution to the problem of WALInsertLock
contention.  In any case, we have "WAL bypass on a table by table basis"
now, don't we?
        regards, tom lane