On 2017-05-26 15:59, Petr Jelinek wrote:
Hmm, I was under the impression that the changes we proposed in the
snapbuild thread fixed your issues, does this mean they didn't? Or the
modified versions of those that were eventually committed didn't? Or
issues reappear at some point?
I do think the snapbuild fixed solved certain problems. I can't say
where the present problems are caused (as I have said, I suspect logical
replication, but also my own test-harness: perhaps it leaves some
error-state lying around (although I do try hard to prevent that) -- so
I just don't know.
I wouldn't say that problems (re)appeared at a certain point; my
impression is rather that logical replication has become better and
better. But I kept getting the odd failure, without a clear cause, but
always (eventually) repeatable on other machines. I did the 1-minute
pgbench-derail version exactly because of the earlier problems with
snapbuild: I wanted a test that does a lot of starting and stopping of
publication and subscription.
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