Re: BUG #13770: Extending recovery_min_apply_delay on Standby causes it to be unavailable for a while

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От Andres Freund
Тема Re: BUG #13770: Extending recovery_min_apply_delay on Standby causes it to be unavailable for a while
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Msg-id 20151230140218.5jqkq3rjoejlrgq7@alap3.anarazel.de
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Ответ на Re: BUG #13770: Extending recovery_min_apply_delay on Standby causes it to be unavailable for a while  (Michael Paquier <michael.paquier@gmail.com>)
Ответы Re: BUG #13770: Extending recovery_min_apply_delay on Standby causes it to be unavailable for a while  (Tom Lane <tgl@sss.pgh.pa.us>)
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On 2015-12-26 22:45:57 +0900, Michael Paquier wrote:
> Depending on the use cases, it may be interesting to have a switch
> allowing to not apply the delay should a consistent point not be
> reached though...

Is there actually any case where it's interesting to delay in that
scenario? I mean that really can only happen if you changed the
configuration to a different delay, or your clock offset
changed. Otherwise we should always reach the consistent point before
the delay plays a role.  I'm tempted to simply only check for delay when
consistent.

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