Re: Probable memory leak with ECPG and AIX

Le sam. 11 déc. 2021 à 07:52, Justin Pryzby <pryzby(at)telsasoft(dot)com> a écrit :

> On Fri, Dec 10, 2021 at 03:40:50PM +0100, Guillaume Lelarge wrote:
> > Hello,
> >
> > Our customer thinks he has found a memory leak on ECPG and AIX.
> >
> > The code is quite simple. It declares a cursor, opens it, and fetches the
> > only line available in the table many times. After some time, the client
> > crashes with a segfault error. According to him, it consumed around
> 256MB.
> > What's weird is that it works great on Linux, but crashed on AIX. One
> > coworker thought it could be the compiler. Our customer used cc, but he
> > also tried with gcc, and got the same error.
>
> A memory leak isn't the same as a segfault (although I don't know how AIX
> responds to OOM).
>
> Can you show that it's a memory leak ? Show RAM use increasing
> continuously
> and linearly with loop count.
>
> How many loops does it take to crash ?
>
> Could you obtain a backtrace ?
>
>
Thanks. I'll try to get all these informations, but it won't be before
monday.

--
Guillaume.