Recent changes (master)

Jens Axboe
2018-02-27T13:00:40Z

The following changes since commit cd174b909109e527e41ca42ac761c5f7d29f25e5:

Fio 3.5 (2018-02-20 15:30:28 -0700)

are available in the git repository at:

git://git.kernel.dk/fio.git master

for you to fetch changes up to 8aa33bf1b4363b706f7139e15b0a3e7b14bea16b:

Merge branch 'wip-ifed-howto-update' of https://github.com/ifed01/fio (2018-02-26 11:59:54 -0700)

----------------------------------------------------------------
Igor Fedotov (1):
Update HOWTO with RADOS information

Jens Axboe (1):
Merge branch 'wip-ifed-howto-update' of https://github.com/ifed01/fio

HOWTO | 18 ++++++++++++++----
1 file changed, 14 insertions(+), 4 deletions(-)

---

Diff of recent changes:

diff --git a/HOWTO b/HOWTO
index 307b50d..f91a22e 100644
--- a/HOWTO
+++ b/HOWTO
@@ -1810,6 +1810,11 @@ I/O engine
I/O engine that does regular EXT4_IOC_MOVE_EXT ioctls to simulate
defragment activity in request to DDIR_WRITE event.

+ **rados**
+ I/O engine supporting direct access to Ceph Reliable Autonomic
+ Distributed Object Store (RADOS) via librados. This ioengine
+ defines engine specific options.
+
**rbd**
I/O engine supporting direct access to Ceph Rados Block Devices
(RBD) via librbd without the need to use the kernel rbd driver. This
@@ -2011,7 +2016,7 @@ with the caveat that when used on the command line, they must come after the
Allocate space immediately inside defragment event, and free right
after event.

-.. option:: clustername=str : [rbd]
+.. option:: clustername=str : [rbd,rados]

Specifies the name of the Ceph cluster.

@@ -2019,17 +2024,22 @@ with the caveat that when used on the command line, they must come after the

Specifies the name of the RBD.

-.. option:: pool=str : [rbd]
+.. option:: pool=str : [rbd,rados]

- Specifies the name of the Ceph pool containing RBD.
+ Specifies the name of the Ceph pool containing RBD or RADOS data.

-.. option:: clientname=str : [rbd]
+.. option:: clientname=str : [rbd,rados]

Specifies the username (without the 'client.' prefix) used to access the
Ceph cluster. If the *clustername* is specified, the *clientname* shall be
the full *type.id* string. If no type. prefix is given, fio will add
'client.' by default.

+.. option:: busy_poll=bool : [rbd,rados]
+
+ Poll store instead of waiting for completion. Usually this provides better
+ throughput at cost of higher(up to 100%) CPU utilization.
+
.. option:: skip_bad=bool : [mtd]

Skip operations against known bad blocks.