Debugging a backend stuck consuming CPU

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От ktm@rice.edu
Тема Debugging a backend stuck consuming CPU
Дата
Msg-id 20160519134615.GB32767@aart.rice.edu
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Ответы Re: Debugging a backend stuck consuming CPU  (Tom Lane <tgl@sss.pgh.pa.us>)
Re: Debugging a backend stuck consuming CPU  (Adrian Klaver <adrian.klaver@aklaver.com>)
Re: Debugging a backend stuck consuming CPU  (Merlin Moncure <mmoncure@gmail.com>)
Список pgsql-general
Hi PostgreSQL community,

I am investigating a problem with a backend that appears to be stuck
and spinning while performing a "DISCARD ALL" command. The system is
running an older release 9.2.2. Are there any bugs that could be
causing this behavior? How can I tell what the process is actually
doing? It does not respond to either pg_cancel_backend() or to
pg_terminate_backend() so it is acting like it is not receiving the
signals. Any ideas on how to debug this would be appriciated.

Regards,
Ken


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