Re: make async slave to wait for lsn to be replayed

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Ants Aasma <ants(dot)aasma(at)eesti(dot)ee>
Cc: Ivan Kartyshov <i(dot)kartyshov(at)postgrespro(dot)ru>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: make async slave to wait for lsn to be replayed
Date: 2017-10-26 15:09:43
Message-ID: CA+TgmoaWNgUkd=qau-iQU4qd0RdMgT9f9eCTgg5Nk1YSUNFnLw@mail.gmail.com
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On Thu, Oct 26, 2017 at 4:29 PM, Ants Aasma <ants(dot)aasma(at)eesti(dot)ee> wrote:
> If the UI
> were something like "WAITVISIBILITY token", then we can later change
> the token to something other than LSN.

That assumes, probably optimistically, that nobody will develop a
dependency on it being, precisely, an LSN.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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