| From: | Konstantin Knizhnik <k(dot)knizhnik(at)postgrespro(dot)ru> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Active zombies at AIX |
| Date: | 2017-01-24 15:42:36 |
| Message-ID: | f88c5e4e-b927-c227-a5e8-4cfc1123518d@postgrespro.ru |
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| Lists: | pgsql-hackers |
On 24.01.2017 18:26, Tom Lane wrote:
> Konstantin Knizhnik <k(dot)knizhnik(at)postgrespro(dot)ru> writes:
>> But ps shows that status of process is <existing>
>> [14:46:02]root(at)postgres:~ # ps -elk | grep 25691556
>> * A - 25691556 - - - - - <exiting>
> As far as I could find by googling, this means that the process is
> not actually a zombie yet, so it's not the postmaster's fault.
>
> Apparently it's possible in some versions of AIX for an exiting process to
> get stuck while releasing its reference to a socket, though I couldn't
> find much detail about that. I wonder how old your AIX is ...
It is AIX 7.1 (I expect that it is most recent version of AIX).
>
> regards, tom lane
--
Konstantin Knizhnik
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company
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