Horton

Re: BUG #16707: Memory leak

Andres Freund <andres@anarazel.de>

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From: Andres Freund <andres@anarazel.de>
To: Kurt Roeckx <kurt@roeckx.be>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, pgsql-bugs@lists.postgresql.org
Date: 2020-11-11T01:38:08Z
Lists: pgsql-bugs 
Hi,

On 2020-11-10 23:45:16 +0100, Kurt Roeckx wrote:
> On Tue, Nov 10, 2020 at 08:50:39PM +0100, Kurt Roeckx wrote:
> > > There's one known (slow) memory leak in the JIT code / LLVM. Could you
> > > check if the issue vanishes if you disable JIT (jit = 0)?
> > 
> > I've just restarted it with jit = 0.
> 
> It's been about 3 hours since the restart, and it looks much
> better, it seems to be solved.

Hm, darn. Any chance you could check if the leak is present if you turn
on jit again, but disable inlining with jit_inline_above_cost=-1? If
that still fixes the leak I think I know the issue / have a reproducer
already...

- Andres

Commits

  1. llvmjit: Use explicit LLVMContextRef for inlining