| From: | David Rowley <dgrowleyml(at)gmail(dot)com> |
|---|---|
| To: | Alexey Ermakov <alexey(dot)ermakov(at)dataegret(dot)com> |
| Cc: | pgsql-bugs(at)lists(dot)postgresql(dot)org |
| Subject: | Re: BUG #17844: Memory consumption for memoize node |
| Date: | 2023-03-20 20:36:26 |
| Message-ID: | CAApHDvru7gNXK7Tkrns-wTdovn5Gjj7JnkUSpicc+dZwGooVYA@mail.gmail.com |
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| Lists: | pgsql-bugs |
On Mon, 20 Mar 2023 at 19:23, Alexey Ermakov
<alexey(dot)ermakov(at)dataegret(dot)com> wrote:
> Thanks a lot! Could you please point me in the direction how to get such
> memory stats ? I might know another memory leak I'd like to check but
> sadly I don't know right tools to measure memory usage.
I attached to the backend with a debugger and set a breakpoint in
ExecEndMemoize. When the breakpoint was hit, using the debugger, I
executed MemoryContextStatsDetail(TopMemoryContext, 100, 1) and
grabbed the memory statistics output from the log.
David
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