jian xu <jamesxu@outlook.com> writes:
> we are seeing this issue again, the checkpoint process is eating up all the memory,
> based on the htop, the checkpointer process has
> VIRT: 103G
> RES: 103G
> SHR: 4099M
hmmm ...
> my pg version is 10.3 ,
Really the *first* thing you ought to do is update to current (10.13)
and see if the problem is still there. But if it is, maybe collecting
a memory context map in that process would be informative:
https://wiki.postgresql.org/wiki/Developer_FAQ#Examining_backend_memory_use Note you may need a debug build for that recipe to work.
regards, tom lane