Hi, I have found an interesting article about jemalloc and transparent hugepages https://www.digitalocean.com/company/blog/transparent-huge-pages-and-alternative-memory-allocators/ Could be great to see if disable transparent hugepage help to have lower jemalloc memory usage. Regards, Alexandre -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html