On Fri, 13 May 2022 at 19:41, Justin Pryzby <pry...@telsasoft.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.