| From: | Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> |
|---|---|
| To: | Toomas Kristin <toomas(dot)kristin(at)gmail(dot)com>, Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, pgsql-general <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Conflict with recovery on PG version 11.6 |
| Date: | 2020-06-19 13:44:44 |
| Message-ID: | d38a6a2facd871ea99cf40e24ef319eb6b432638.camel@cybertec.at |
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| Lists: | pgsql-general |
On Fri, 2020-06-19 at 11:46 +0300, Toomas Kristin wrote:
> I executed a database dump with 4 jobs and here are logs how this ended.
>
> 2020-06-19 02:38:28 UTC:[30953]:ERROR:40001:canceling statement due to conflict with recovery
> 2020-06-19 02:38:28 UTC:[30953]:DETAIL:User query might have needed to see row versions that must be removed.
> 2020-06-19 02:38:28 UTC:[30953]:LOCATION:ProcessInterrupts, postgres.c:3057
> 2020-06-19 02:38:28 UTC:[30953]:STATEMENT:
> 2020-06-19 02:38:28 UTC:[30926]:FATAL:40001:terminating connection due to conflict with recovery
> 2020-06-19 02:38:28 UTC:[30926]:DETAIL:User query might have needed to see row versions that must be removed.
> 2020-06-19 02:38:28 UTC:[30926]:HINT:In a moment you should be able to reconnect to the database and repeat your command.
> 2020-06-19 02:38:28 UTC:[30926]:LOCATION:ProcessInterrupts, postgres.c:2987
> 2020-06-19 02:38:28 UTC:[30952]:ERROR:40001:canceling statement due to conflict with recovery
> 2020-06-19 02:38:28 UTC:[30952]:DETAIL:User query might have needed to see row versions that must be removed.
> 2020-06-19 02:38:28 UTC:[30952]:LOCATION:ProcessInterrupts, postgres.c:3057
> 2020-06-19 02:38:28 UTC:[30952]:STATEMENT:
> 2020-06-19 02:38:28 UTC:[30953]:LOG:08006:could not receive data from client:Connection reset by peer
> 2020-06-19 02:38:28 UTC:[30953]:LOCATION:pq_recvbuf, pqcomm.c:978
>
> Does it give any hints for anyone? Or how to find right version of source code what to analyse?
Yes, that are conflicts with VACUUM.
Yours,
Laurenz Albe
--
Cybertec | https://www.cybertec-postgresql.com
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