From: "Andres Freund" <>
I wonder if it'd make sense to allow a signal to trigger a memory
context dump? I and others more than once had the need to examine memory
usage on production systems and using gdb isn't always realistic.


It would be nice if there's a generic infrastructure on which the DBA can get information of running backends. I wish for a functionality to dump info of all backends with a single operation as well as one backend at a time, because it would be difficult to ask for users to choose a specific backend or operate on all backends, especially on Windows. The candidate info are:

* memory context

* stack trace: I'd like to implement this.

* GUC settings: to know that backends are running with intended settings.

* prepared statements (= pg_prepared_statements): to know if applications are taking advantage of prepared statements for performance.


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