Hi Sawada, I am relieved to hear that the performance problem was solved.
And I added a tip about PMEM namespace and partitioning in PG wiki[1]. Regards, [1] https://wiki.postgresql.org/wiki/Persistent_Memory_for_WAL#Configure_and_verify_DAX_hugepage_faults -- Takashi Menjo <takashi.me...@gmail.com>
