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Re: how to trace a backend session - Mailing list pgsql-general

From Dominique Devienne
Subject Re: how to trace a backend session
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Msg-id CAFCRh-85NEkkKH3Db74n_FxE9OO8itQX0dz0Xz=-d0bTsfHh4Q@mail.gmail.com
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In response to Re: how to trace a backend session  (Pierre Forstmann <pierre.forstmann@gmail.com>)
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Le lun. 22 janv. 2024 à 08:29, James Pang <jamespang886@gmail.com> a écrit :
[...] we used to turn on Oracle session trace(that will capture all activities,
SQL statements, waiting, waiting time), to do living troubleshooting.
could you direct any similar tracing in Postgresql v13 , v14. 

On Tue, Jan 23, 2024 at 7:45 PM Pierre Forstmann <pierre.forstmann@gmail.com> wrote:
I have coded an extension to trace SQL statements for specific backends: https://github.com/pierreforstmann/pg_log_statements
(only SQL statements are traced - no wait events data is collected).

There's also the possibility of activating client-side tracing with libpq, if you are using it:

Not the same thing as server-side tracing, of course. But can be useful. --DD

PS: Although that trace is not easily machine parse'able, it is at least human readable (kinda...)

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