Re: [HACKERS] Broken hint bits (freeze) - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: [HACKERS] Broken hint bits (freeze)
Date
Msg-id 20170620025919.GA28277@momjian.us
Whole thread Raw
In response to Re: [HACKERS] Broken hint bits (freeze)  (Sergey Burladyan <eshkinkot@gmail.com>)
Responses Re: [HACKERS] Broken hint bits (freeze)
List pgsql-hackers
On Tue, Jun 20, 2017 at 03:50:29AM +0300, Sergey Burladyan wrote:
> 20 июн. 2017 г. 1:21 пользователь "Bruce Momjian" <bruce@momjian.us> написал: 
> 
> 
>     We are saying that Log-Shipping should match "Latest checkpoint
>     location", but the WAL for that will not be sent to the standby, so it
>     will not match, but that is OK since the only thing in the non-shipped
>     WAL file is the checkpoint record.  How should we modify the wording on
>     this?
> 
> 
> I am afraid that without this checkpoint record standby cannot make
> restartpoint
> and without restartpoint it does not sync shared buffers into disk at
> shutdown. 

Uh, as I understand it the rsync is going to copy the missing WAL file
from the new master to the standby, right, and I think pg_controldata
too, so it should be fine.  Have you tested to see if it fails?

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com

+ As you are, so once was I.  As I am, so you will be. +
+                      Ancient Roman grave inscription +



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