Re: a raft of parallelism-related bug fixes

On Thu, Feb 18, 2016 at 5:35 PM, Amit Langote
<Langote_Amit_f8@lab.ntt.co.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