On 3/15/18 09:19, bricklen wrote:
> How does one monitor the status or progress of an initial sync under
> logical replication? For example:
>
> * I create a publication in database db_pub
> * I create a subscription in database db_sub
> * In 15 minutes I want to check an see that the initial sync is N%
> complete
>
> Is it possible to tell when the initial sync is complete, or better
> yet, how complete it is?
>
>
> This is a question I'm quite interested in as well (and one I do not
> have an answer to).
>
> Does anyone with more familiarity with logical replication have any
> suggestions on how to determine the status of the initial sync?
Something like
select * from pg_subscription_rel where srsubstate <> 'r' and srsubid =
(select oid from pg_subscription where subname = 'mysub');
The key is checking the srsubstate column for 'r' (ready).
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
