| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Ants Aasma <ants(dot)aasma(at)eesti(dot)ee> |
| Cc: | Craig Ringer <craig(at)2ndquadrant(dot)com>, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, Ivan Kartyshov <i(dot)kartyshov(at)postgrespro(dot)ru>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, David Steele <david(at)pgmasters(dot)net>, Thom Brown <thom(at)linux(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: make async slave to wait for lsn to be replayed |
| Date: | 2017-10-26 11:38:53 |
| Message-ID: | CA+Tgmob_n-SGVJ8i9RY87j4zRWMSzZe1Dp4vKu138o6T_3xMeA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Sep 26, 2017 at 12:00 PM, Ants Aasma <ants(dot)aasma(at)eesti(dot)ee> wrote:
> Exposing this interface as WAITLSN will encode that visibility order
> matches LSN order.
That would be a bad thing to encode because it doesn't.
Well... actually on the standby it does, and that's the only thing
that matters in this case I guess. But I agree with you that's it's
not a wonderful thing to bake into the UI, because we might want to
change it some day.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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