@colin-king > A swapfile on ZFS is a bad idea. Swapped out pages get pushed through the vfs into zfs and each page of swap will be magnified in the number of free pages required to get this page out to disk.
currently, swap uses zvol in default. not a swapfile. (actually I also thinking swapfile is mistake of bad architecture..) > ..there are known issues with swap on ZFS not working well on heavily memory loaded systems. and also, i also see that article, and check it. It was already optimised. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1847628 Title: When using swap in ZFS, system stops when you start using swap To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1847628/+subscriptions -- ubuntu-bugs mailing list email@example.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs