iotop reports a constant i/o about 3% of [jbd2/vda1-8], I think this is the journal manager for ext4.
my fstab is:
UUID=X / ext4 defaults,noatime,nodiratime 1 1
tmpfs /dev/shm tmpfs defaults,noatime,nodiratime 0 0
devpts /dev/pts devpts gid=5,mode=620 0 0
sysfs /sys sysfs defaults 0 0
proc /proc proc defaults 0 0
/usr/tmpDSK /tmp ext3 rw,noexec,nosuid,nodev,noatime 0 0
UUID=Y swap swap defaults 0 0
/tmp /var/tmp ext3 defaults,bind,noauto
How can I get rid of this i/o, or at least reduce it.