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From: Achilleas Mantzios <achill@matrix.gatewaynet.com>
To: pgsql-admin@lists.postgresql.org
Subject: Re: logical Replication
Date: Mon, 20 Aug 2018 10:44:22 +0300
Message-ID: <11f06cb4-8e48-7090-76e0-438b54c70660@matrix.gatewaynet.com> (raw)
In-Reply-To: <1534750828102-0.post@n3.nabble.com>
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On 20/08/2018 10:40, pavan95 wrote:
> Hi Achilleas,
>
>> Now on the publisher side what does :
>> select * from pg_stat_replication ;
>> tell you?
> Please find the below output:
>> *select * from pg_stat_replication ;*
>     pid  | usesysid | usename  | application_name | client_addr  |
> client_hostname | client_port |          backend_start           |
> backend_xmin |   state   |  sent_lsn  | write_lsn  | flush_lsn  | replay_lsn
> | write_lag | flush_lag | replay_lag | sync_priority | sync_state
> -------+----------+----------+------------------+--------------+-----------------+-------------+----------------------------------+--------------+-----------+------------+------------+------------+------------+-----------+-----------+------------+---------------+------------
>   32515 |    78225 |    user | appn               | xxx.xxx.xx.xxx |
> |       411111 | 2018-08-20 11:32:09.636622+05:30 |              | streaming
> | 0/69BE27D0 | 0/69BE27D0 | 0/69BE27D0 | 0/69BE27D0 |           |
> |            |             0 | async
>
So here you have zero lag. How do you experience the lag? What do you exactly measure?
>
>
>
>
> --
> Sent from: http://www.postgresql-archive.org/PostgreSQL-admin-f2076596.html
>

-- 
Achilleas Mantzios
IT DEV Lead
IT DEPT
Dynacom Tankers Mgmt





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