| From: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com> |
|---|---|
| To: | Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp> |
| Cc: | Craig Ringer <craig(at)2ndquadrant(dot)com>, "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Simon Riggs <simon(at)2ndquadrant(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: a raft of parallelism-related bug fixes |
| Date: | 2016-02-18 12:35:00 |
| Message-ID: | CAB7nPqRoCjponTT-fMSsaGK-G0zwgLs-eK+KMnzyf9bqhdRESw@mail.gmail.com |
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On Thu, Feb 18, 2016 at 5:35 PM, Amit Langote
<Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp> wrote:
> On 2016/02/18 16:38, Craig Ringer wrote:
>> I should resurrect Abhijit's patch to allow the isolationtester to talk to
>> multiple servers. We'll want that when we're doing tests like "assert that
>> this change isn't visible on the replica before it becomes visible on the
>> master". (Well, except we violate that one with our funky
>> synchronous_commit implementation...)
>
> How much does (or does not) that overlap with the recovery test suite work
> undertaken by Michael et al? I saw some talk of testing for patches in
> works on the N synchronous standbys thread.
This sounds like poll_query_until in PostgresNode.pm (already on HEAD)
where the query used is something on pg_stat_replication for a given
LSN to see if a standby has reached a given replay position.
--
Michael
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