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Re: pg_upgrade from Postgresql-12 to Postgresql-13 fails with "Creating dump of database schemas postgres *failure*" - Mailing list pgsql-general

From Peter J. Holzer
Subject Re: pg_upgrade from Postgresql-12 to Postgresql-13 fails with "Creating dump of database schemas postgres *failure*"
Date
Msg-id 20220224074955.4kjzcfnrym4b6pw6@hjp.at
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In response to Re: pg_upgrade from Postgresql-12 to Postgresql-13 fails with "Creating dump of database schemas postgres *failure*"  ("Yoong S. Chow" <chowy1026@gmail.com>)
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On 2022-02-19 14:54:41 +0800, Yoong S. Chow wrote:
> Could you please clarify what core files are? I am truly a newbie to
> postgresql. 

Core files are a feature of Linux and other Unix-like operating systems.
When a process crashes, the OS records its state in a file named "core"
(sometimes withe process id attached). You can then use a debugger to
inspect this file and investigate the cause of the crash.

        hp


--
   _  | Peter J. Holzer    | Story must make more sense than reality.
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| |   | hjp@hjp.at         |    -- Charles Stross, "Creative writing
__/   | http://www.hjp.at/ |       challenge!"
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