| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Peter Eisentraut <peter_e(at)gmx(dot)net>, Andrew Dunstan <andrew(at)dunslane(dot)net>, PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: The real reason why TAP testing isn't ready for prime time |
| Date: | 2015-06-19 18:26:56 |
| Message-ID: | 44307.1434738416@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Andres Freund <andres(at)anarazel(dot)de> writes:
> On 2015-06-19 13:56:21 -0300, Alvaro Herrera wrote:
>> We discussed this when that patch got in (82233ce7ea42d6b). The reason
>> for not waiting, it was argued, is that the most likely reason for those
>> processes not to have already gone away by the time we send SIGKILL was
>> that they are stuck somewhere in the kernel, and so we might not be able
>> to actually get them to go away with the SIGKILL. As I recall, that was
>> the actual problem that MauMau was trying to get fixed.
> How does exiting before they're dead help? They're still going to be
> attached to shared memeory and thus prevent a restart. I don't think
> hiding the problem by exiting the postmaster helps at all.
My thought exactly.
regards, tom lane
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