| From: | Petr Jelinek <petr(dot)jelinek(at)2ndquadrant(dot)com> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | Craig Ringer <craig(at)2ndquadrant(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Petr Jelinek <petr(at)2ndquadrant(dot)com>, Peter Eisentraut <peter_e(at)gmx(dot)net> |
| Subject: | Re: walsender & parallelism |
| Date: | 2017-04-24 02:31:05 |
| Message-ID: | a8b44e9f-6631-3f2c-377b-0f5671784baf@2ndquadrant.com |
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| Lists: | pgsql-hackers |
On 24/04/17 02:04, Andres Freund wrote:
> Hi,
>
> Oh, and one more point: There desperately need to be tests exercising
> "SQL via walsender". Including the issue of parallelism here, the missed
> cancel handler, timeouts, and such. One way to do so is to use
> pg_regress with an adjusted connection string (specifying
> replication=database), doing the same for isolationtester, or using
> dblink.
>
Well, there are some tests (the logical replication uses that
functionality) and it's not quite clear to me what all to run there.
I assume you don't want to rerun whole regression suite against
walsender given the time it would take in normal tests (although I could
see doing that optionally somehow) but then what to pick from there.
--
Petr Jelinek http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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