Thomas Munro <thomas.mu...@gmail.com> writes: > On Fri, Apr 19, 2019 at 10:22 AM Tom Lane <t...@sss.pgh.pa.us> wrote: >> Maybe what we should be looking for is "why doesn't the walreceiver >> shut down"? But the dragonet log you quote above shows the walreceiver >> exiting, or at least starting to exit. Tis a puzzlement.
> ... Is there some way that the exit code could hang > *after* that due to corruption of libc resources (FILE streams, > malloc, ...)? It doesn't seem likely to me (we'd hopefully see some > more clues) but I thought I'd mention the idea. I agree it's not likely ... but that's part of the reason I was thinking about adding some postmaster logging. Whatever we're chasing here is "not likely", per the observed buildfarm failure rate. regards, tom lane