Re: Hot Standby query cancellation and Streaming Replication integration

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От Greg Stark
Тема Re: Hot Standby query cancellation and Streaming Replication integration
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Msg-id 407d949e1002261322u68716eddl6fe33d5985ca620f@mail.gmail.com
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Ответ на Re: Hot Standby query cancellation and Streaming Replication integration  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Hot Standby query cancellation and Streaming Replication integration  (Tom Lane <tgl@sss.pgh.pa.us>)
Re: Re: Hot Standby query cancellation and Streaming Replication integration  (Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>)
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On Fri, Feb 26, 2010 at 9:19 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> There's *definitely* not going to be enough information in the WAL
> stream coming from a master that doesn't think it has HS slaves.
> We can't afford to record all that extra stuff in installations for
> which it's just useless overhead.  BTW, has anyone made any attempt
> to measure the performance hit that the patch in its current form is
> creating via added WAL entries?

What extra entries?


--
greg

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