| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
| Cc: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [HACKERS] parallel.c oblivion of worker-startup failures |
| Date: | 2017-12-11 17:57:43 |
| Message-ID: | CA+TgmoaEzMODByVrXAxqPQ3732DoSCzy+kiOZUYhTTG=BzYkrQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sun, Dec 10, 2017 at 11:07 PM, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
> Okay, see the attached and let me know if that suffices the need?
+ * Check for unexpected worker death. This will ensure that if
+ * the postmaster failed to start the worker, then we don't wait
+ * for it indefinitely. For workers that are known to be
+ * launched, we can rely on their error queue being freed once
+ * they exit.
Hmm. Is this really true? What if the worker starts up but then
crashes before attaching to the error queue?
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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