Re: [HACKERS] Infrastructure changes for recovery - Mailing list pgsql-patches

From Tom Lane
Subject Re: [HACKERS] Infrastructure changes for recovery
Date
Msg-id 10307.1222692406@sss.pgh.pa.us
Whole thread Raw
In response to Re: [HACKERS] Infrastructure changes for recovery  (Simon Riggs <simon@2ndQuadrant.com>)
Responses Re: [HACKERS] Infrastructure changes for recovery
List pgsql-patches
Simon Riggs <simon@2ndQuadrant.com> writes:
> ... That kinda works, but the problem is that restartpoints are time based,
> not log based. We need them to be deterministic for us to rely upon them
> in the above way.

Right, but the performance disadvantages of making them strictly
log-distance-based are pretty daunting.  We don't really want slaves
doing that while they're in catchup mode.

            regards, tom lane

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