[sheepdog-users] Concern about sheepdog performance

[Valerio Pachera]

2012/12/20 Liu Yuan <namei.unix at gmail.com>:
> - sheep start only with journaling enabled. 'sheep -j xxxx /store'
> - start VM (now 'cache' option should be meaningless to sheepdog)


0.5.5_23_gfacdf48

sheep -j dir=/mnt/sdb1/sdj size=512 /mnt/sheepdog/
kvm -drive file=sheepdog:test,cache=none -cdrom
/root/vm/iso/systemrescuecd-x86-3.1.1.iso -boot order=d -k it -vnc :1
-m 512 -daemonize
  9,8M/s
  9.8M/s (writing twice the file)
  11.8M/s (writing twice, without oflag=direct)