5:40 a.m.
Citējot Vijay Bellur <vbellur(a)redhat.com> :
On 05/11/2014 02:04 AM, Vadims Korsaks wrote:
> HI!
>
> Created 2 node setup with oVirt 3.4 and
CentOS 6.5, for storage created
> 2 node replicated gluster (3.5) fs on same
hosts with
oVirt.
> mount looks like this:
> 127.0.0.1:/gluster01 on
>
/rhev/data-center/mnt/glusterSD/127.0.0.1:_gluster01
type fuse.glusterfs
>
(rw,default_permissions,allow_other,max_read=131072)
>
> > when i making gluster test with dd, something
like
> > dd if=/dev/zero bs=1M count=20000
>
of=/rhev/data-center/mnt/glusterSD/127.0.0.1\:_gluster01/kaka
> i'm gettting speed ~ 110 MB/s, so this is
1Gbps speed
of ethernet adapter
>
> > but with in VM created in oVirt speed is
lower than 20 MB/s
>
> > why there is so huge difference?
> > how can improve VMs disks speed?
>
>
> What are your gluster volume settings? Have you
applied the following
performance tunables in gluster's virt profile:
eager-lock=enable
remote-dio=enable
Regards,
Vijay
setting were:
[root@centos155 ~]# gluster volume info gluster01
Volume Name: gluster01
Type: Replicate
Volume ID: 436edaa3-ac8b-421f-aa35-68b5bd7064b6
Status: Started
Number of Bricks: 1 x 2 = 2
Transport-type: tcp
Bricks:
Brick1: 10.2.75.152:/mnt/gluster01/brick
Brick2: 10.2.75.155:/mnt/gluster01/brick
Options Reconfigured:
storage.owner-gid: 36
storage.owner-uid: 36
add your settings settings now it looks
[root@centos155 ~]# gluster volume info gluster01
Volume Name: gluster01
Type: Replicate
Volume ID: 436edaa3-ac8b-421f-aa35-68b5bd7064b6
Status: Started
Number of Bricks: 1 x 2 = 2
Transport-type: tcp
Bricks:
Brick1: 10.2.75.152:/mnt/gluster01/brick
Brick2: 10.2.75.155:/mnt/gluster01/brick
Options Reconfigured:
network.remote-dio: enable
cluster.eager-lock: enable
storage.owner-gid: 36
storage.owner-uid: 36
but this didn't affected performace in any big way
should hosts to be restarted?
6:26 p.m.
New subject: gluster performance oVirt 3.4
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What's the underlying filesystem for gluster is it XFS?<br>What version of =
gluster are you using?<br>What distro are you using and if its not RHEL or =
Fedora are you using a version of QEMU with gluster support compiled in kee=
p in mind the versions with CentOS and Scientific Linux do not include Glus=
ter native support compiled in.<br><br><span
style=3D"font-family:Prelude, =
Verdana, san-serif;"><br><br></span><span
id=3D"signature"><div style=3D"fo=
nt-family: arial, sans-serif; font-size: 12px;color: #999999;">-- Sent from=
my HP Pre3</div><br></span><span style=3D"color:navy;
font-family:Prelude,=
Verdana, san-serif; "><hr align=3D"left"
style=3D"width:75%">On May 11, 20=
14 5:40, Vadims Korsaks &lt;truckk(a)inbox.lv&gt; wrote:
<br><br></span>Cit=
=C4=93jot Vijay Bellur &lt;vbellur(a)redhat.com&gt; :<br>> On
05/11/2014 =
02:04 AM, Vadims Korsaks wrote:<br>> > HI!<br>>
><br>> &g=
t; Created 2 node setup with oVirt 3.4 and<br>CentOS 6.5, for storage creat=
ed<br>> > 2 node replicated gluster (3.5) fs on same<br>hosts
with o=
Virt.<br>> > mount looks like this:<br>> >
127.0.0.1:/gluster=
01 on<br>>
><br>/rhev/data-center/mnt/glusterSD/127.0.0.1:_gluster01=
<br>type fuse.glusterfs<br>>
><br>(rw,default_permissions,allow_othe=
r,max_read=3D131072)<br>> ><br>> > when i making
gluster test=
with dd, something<br>like<br>> > dd if=3D/dev/zero bs=3D1M
count=
=3D20000<br>>
><br>of=3D/rhev/data-center/mnt/glusterSD/127.0.0.1\:_=
gluster01/kaka<br>> > i'm gettting speed ~ 110 MB/s, so this
is<br>1=
Gbps speed of ethernet adapter<br>> ><br>> > but
with in VM c=
reated in oVirt speed is<br>lower than 20 MB/s<br>>
><br>> > =
why there is so huge difference?<br>> > how can improve VMs disks
sp=
eed?<br>> ><br>> <br>> What are your
gluster volume settings=
? Have you<br>applied the following<br>> performance tunables in
gluste=
r's virt profile:<br>> <br>>
eager-lock=3Denable<br>> remote-di=
o=3Denable<br>> <br>> Regards,<br>>
Vijay<br>><br>setting we=
re:<br>[root@centos155 ~]# gluster volume info gluster01<br><br>Volume
Name=
: gluster01<br>Type: Replicate<br>Volume ID: 436edaa3-ac8b-421f-aa35-68b5bd=
7064b6<br>Status: Started<br>Number of Bricks: 1 x 2 =3D
2<br>Transport-typ=
e: tcp<br>Bricks:<br>Brick1: 10.2.75.152:/mnt/gluster01/brick<br>Brick2:
10=
=2E2.75.155:/mnt/gluster01/brick<br>Options Reconfigured:<br>storage.owner-=
gid: 36<br>storage.owner-uid: 36<br><br><br>add your settings
settings now =
it looks<br><br>[root@centos155 ~]# gluster volume info
gluster01<br><br>Vo=
lume Name: gluster01<br>Type: Replicate<br>Volume ID: 436edaa3-ac8b-421f-aa=
35-68b5bd7064b6<br>Status: Started<br>Number of Bricks: 1 x 2 =3D
2<br>Tran=
sport-type: tcp<br>Bricks:<br>Brick1:
10.2.75.152:/mnt/gluster01/brick<br>B=
rick2: 10.2.75.155:/mnt/gluster01/brick<br>Options Reconfigured:<br>network=
=2Eremote-dio: enable<br>cluster.eager-lock: enable<br>storage.owner-gid: 3=
6<br>storage.owner-uid: 36<br><br><br>but this didn't affected
performace i=
n any big way<br>should hosts to be
restarted?<br><br>_____________________=
__________________________<br>Users mailing
list<br>Users(a)ovirt.org<br>http=
://lists.ovirt.org/mailman/listinfo/users<br>
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participants (2)
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Paul Robert Marino -
Vadims Korsaks