| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Andrew Dunstan <andrew(dot)dunstan(at)2ndquadrant(dot)com> |
| Cc: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Petr Jelinek <petr(dot)jelinek(at)2ndquadrant(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: [COMMITTERS] pgsql: Use asynchronous connect API in libpqwalreceiver |
| Date: | 2017-03-17 15:07:46 |
| Message-ID: | 10458.1489763266@sss.pgh.pa.us |
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| Lists: | pgsql-committers pgsql-hackers |
Andrew Dunstan <andrew(dot)dunstan(at)2ndquadrant(dot)com> writes:
> I have confirmed on jacana Petr's observation that adding a timeout to
> the WaitLatchOrSocket cures the problem.
Does anyone have a theory as to why that cures the problem?
What length of timeout is being suggested here? Would a long timeout
perhaps create a performance issue? That is, I'm wondering if the
wait actually sleeps to the end of the timeout in the problem case(s).
regards, tom lane
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