Re: BUG #17844: Memory consumption for memoize node - Mailing list pgsql-bugs

From David Rowley
Subject Re: BUG #17844: Memory consumption for memoize node
Date
Msg-id CAApHDvru7gNXK7Tkrns-wTdovn5Gjj7JnkUSpicc+dZwGooVYA@mail.gmail.com
Whole thread Raw
In response to Re: BUG #17844: Memory consumption for memoize node  (Alexey Ermakov <alexey.ermakov@dataegret.com>)
List pgsql-bugs
On Mon, 20 Mar 2023 at 19:23, Alexey Ermakov
<alexey.ermakov@dataegret.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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