Re: Backends stunk in wait event IPC/MessageQueueInternal

On Fri, 13 May 2022 at 19:41, Justin Pryzby <pryzby(at)telsasoft(dot)com> wrote:
> On Fri, May 13, 2022 at 06:16:23PM +0800, Japin Li wrote:
>> I had an incident on my Postgres 14 that queries hung in wait event
>> IPC / MessageQueueInternal, MessageQueueReceive. It likes [1],
>> however, it doesn't have any discussions.
>
> If the process is still running, or if the problem recurs, I suggest to create
> a corefile with gcore, aka gdb generate-core-file. Then, we can look at the
> backtrace at our leisure, even if the cluster needed to be restarted right
> away.
>

Thanks for your advice, I will try it later.

> What minor version of postgres is this, and what OS ?

PostgreSQL 14.2 and Solaris.

--
Regrads,
Japin Li.
ChengDu WenWu Information Technology Co.,Ltd.