Just want to add that I know O_DSYNC and directio (or disabling FS
caching) are two different things. The reason why I wanted to play
with O_DSYNC is that a) doesn't seem to give the desired directio
result (running the experiment on UFS with directio took 2s).
On Sat, Feb 5, 2011 at 10:20 AM, Yi
Hi all,
I'm trying to achieve the same effect of UFS directio on ZFS and here
is what I did:
1. Set the primarycache of zfs to metadata and secondarycache to none,
recordsize to 8K (to match the unit size of writes)
2. Run my test program (code below) with different options and measure
the runnin
