Sure, I also re-ran the FIO test using randrw this time: On 6.8: ========= $ dpkg -l | grep zfsutils ii zfsutils-linux 2.2.2-0ubuntu9.4 amd64 command-line tools to manage OpenZFS filesystems
$ uname -r 6.8.0-71-generic $ modinfo zfs | grep version version: 2.2.2-0ubuntu9.2 sudo fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=$PWD/testfile --bs=1m --iodepth=64 --size=1G --readwrite=randrw Run status group 0 (all jobs): READ: bw=3937MiB/s (4128MB/s), 3937MiB/s-3937MiB/s (4128MB/s-4128MB/s), io=496MiB (520MB), run=126-126msec WRITE: bw=4190MiB/s (4394MB/s), 4190MiB/s-4190MiB/s (4394MB/s-4394MB/s), io=528MiB (554MB), run=126-126msec On 6.14 ========= $ dpkg -l | grep zfs ii zfsutils-linux 2.2.2-0ubuntu9.4 amd64 command-line tools to manage OpenZFS filesystems $ uname -r 6.14.0-34-generic $ modinfo zfs | grep version version: 2.3.1-1ubuntu2 srcversion: 8E3846C17B94CF27E3D03A5 vermagic: 6.14.0-34-generic SMP preempt mod_unload modversions sudo fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=$PWD/testfile --bs=1m --iodepth=64 --size=1G --readwrite=randrw Run status group 0 (all jobs): READ: bw=26.4MiB/s (27.7MB/s), 26.4MiB/s-26.4MiB/s (27.7MB/s-27.7MB/s), io=496MiB (520MB), run=18767-18767msec WRITE: bw=28.1MiB/s (29.5MB/s), 28.1MiB/s-28.1MiB/s (29.5MB/s-29.5MB/s), io=528MiB (554MB), run=18767-18767msec -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2119470 Title: ZFS I/O Performance degredation on 6.14 kernel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/2119470/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
