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Re: New 8.4 hot standby feature

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Hi,

On Wed, Jan 28, 2009 at 4:28 AM, Gabi Julien <gabi.julien@xxxxxxxxxxxxx> wrote:
> Yes, the logs are shipped every minute but the recevory is 3 or 4 times
> longer.

Are you disabling full_page_writes? It may slow down recovery several times.

> Thanks I will take a look at it. Also, I came across the record log shipping
> feature too in my research:
>
> http://www.postgresql.org/docs/current/static/warm-standby.html#WARM-STANDBY-RECORD
>
> Could this help? If the logs are smaller then I could potentially afford
> shipping then at a higher frequency.

No. Even if the logs are shipped frequently, they cannot be applied until
the log file fills.

Regards,

-- 
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center

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