Re: [COMMITTERS] pgsql: Send new protocol keepalive messages to standby servers.

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От Fujii Masao
Тема Re: [COMMITTERS] pgsql: Send new protocol keepalive messages to standby servers.
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Msg-id CAHGQGwEPw=DU55x=PbVnqanW8K90v-y62N+6156_EQzePy=4aQ@mail.gmail.com
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Ответы Re: Re: [COMMITTERS] pgsql: Send new protocol keepalive messages to standby servers.  (Robert Haas <robertmhaas@gmail.com>)
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On Sat, Dec 31, 2011 at 10:34 PM, Simon Riggs <simon@2ndquadrant.com> wrote:
> Send new protocol keepalive messages to standby servers.
> Allows streaming replication users to calculate transfer latency
> and apply delay via internal functions. No external functions yet.

Is there plan to implement such external functions before 9.2 release?
If not, keepalive protocol seems to be almost useless because there is
no use of it for a user and the increase in the number of packets might
increase the replication performance overhead slightly. No?

Regards,

-- 
Fujii Masao

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