At Tue, 26 Oct 2021 11:01:46 +0200, Ronan Dunklau <ronan.dunk...@aiven.io> 
wrote in 
> Le mardi 26 octobre 2021, 08:27:47 CEST Ronan Dunklau a écrit :
> > Yes, I will try to simplify the logic of the patch I sent last week. I'll
> > keep you posted here soon.
> 
> I was able to simplify it quite a bit, by using only one standby for both 
> test 
> scenarios.
> 
> This test case verify that after a timeline switch, if we resume from a 
> previous state we will archive: 
>  - segments from the old timeline
>  - segments from the new timeline
>  - the timeline history file itself.
> 
> I chose to check against a full segment from the previous timeline, but it 
> would have been possible to check that the latest timeline segment was 
> partial. I chose not not, in the unlikely event we promote at an exact 
> segment 
> boundary. I don't think it matters much, since partial wal files are already 
> covered by other tests.

+my @walfiles = glob "$slot_dir/*";

This is not used.

Each pg_receivewal run stalls for about 10 or more seconds before
finishing, which is not great from the standpoint of recently
increasing test run time.

Maybe we want to advance LSN a bit, after taking $nextlsn then pass
"-s 1" to pg_receivewal.

regards.

-- 
Kyotaro Horiguchi
NTT Open Source Software Center


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