| From: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
|---|---|
| To: | Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> |
| Cc: | Simon Riggs <simon(at)2ndquadrant(dot)com>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Measuring replay lag |
| Date: | 2017-01-04 07:58:03 |
| Message-ID: | CANP8+j+3U-bHHZsS2gp1zFtGA7rzf4=ieErbsE2LYECfZx5F7w@mail.gmail.com |
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| Lists: | pgsql-hackers |
On 3 January 2017 at 23:22, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> wrote:
>> I don't see why that would be unacceptable. If we do it for
>> remote_apply, why not also do it for other modes? Whatever the
>> reasoning was for remote_apply should work for other modes. I should
>> add it was originally designed to be that way by me, so must have been
>> changed later.
>
> You can achieve that with this patch by setting
> replication_lag_sample_interval to 0.
I wonder why you ignore my mention of the bug in the correct mechanism?
--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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