From: "Andres Freund" <and...@2ndquadrant.com>
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
* 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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