Quanah Gibson-Mount wrote:
--On Thursday, January 19, 2023 8:25 AM +0100 Ulrich Windl Ulrich.Windl@rz.uni-regensburg.de wrote:
Quanah Gibson-Mount quanah@fast-mail.org schrieb am 18.01.2023 um 14:50 in
Nachricht <3D6804DEBBC5413284159965@[192.168.1.14]>:
...
I would note that it is not advised to use XFS with back-mdb.
Would you explain why? Here we use XFS for all database filesystems.
The filesystem journaling done by XFS is not required for back-mdb databases and imposes a significant performance penalty for write operations. Unlike ext4 partitions it is not possible to disable the filesystem journal. The best option for back-mdb databases on XFS is to tell XFS to use a external journal.
Comparison of LMDB performance across various filesystems
http://www.lmdb.tech/bench/microbench/july/#sec11