Re: Page freezing, FSM, and WAL replay - Mailing list pgsql-hackers

On 2018-Aug-02, Alvaro Herrera wrote:

> After considering several possible solutions, I propose to have
> heap_xlog_visible compute free space for any page being marked frozen;
> Pavan adds to that to have heap_xlog_clean compute free space for all
> pages also.  This means that if we later promote this standby and VACUUM
> skips all-frozen pages, their FSM numbers are going to be up-to-date
> anyway.  Patch attached.

Now that the minors have been tagged, I'm considering pushing this
shortly to 9.6 - master.

Thanks

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
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