> -Original Message-
> From: Alex Gorbachev [mailto:a...@iss-integration.com]
> Sent: 11 September 2016 03:17
> To: Nick Fisk
> Cc: Wilhelm Redbrake ; Horace Ng ;
> ceph-users
> Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
>
> C
*Subject:* Re: [ceph-users] Ceph + VMware + Single Thread Performance
>
>
>
>
>
> On Sun, Sep 4, 2016 at 4:48 PM, Nick Fisk wrote:
>
>
>
>
>
> *From:* Alex Gorbachev [mailto:a...@iss-integration.com]
> *Sent:* 04 September 2016 04:45
> *To:* Nick Fisk
> *
From: Alex Gorbachev [mailto:a...@iss-integration.com]
Sent: 11 September 2016 16:14
To: Nick Fisk
Cc: Wilhelm Redbrake ; Horace Ng ; ceph-users
Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
On Sun, Sep 4, 2016 at 4:48 PM, Nick Fisk mailto:n...@fisk.me.uk
On Sun, Sep 4, 2016 at 4:48 PM, Nick Fisk wrote:
>
>
>
>
> *From:* Alex Gorbachev [mailto:a...@iss-integration.com]
> *Sent:* 04 September 2016 04:45
> *To:* Nick Fisk
> *Cc:* Wilhelm Redbrake ; Horace Ng ;
> ceph-users
> *Subject:* Re: [ceph-users] Ceph + VMwa
-on-nfs-vs.html )
Alex
>
> From: Alex Gorbachev [mailto:a...@iss-integration.com]
> Sent: 04 September 2016 04:45
> To: Nick Fisk
> Cc: Wilhelm Redbrake ; Horace Ng ;
> ceph-users
> Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
>
>
>
>
&
From: Alex Gorbachev [mailto:a...@iss-integration.com]
Sent: 04 September 2016 04:45
To: Nick Fisk
Cc: Wilhelm Redbrake ; Horace Ng ; ceph-users
Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
On Saturday, September 3, 2016, Alex Gorbachev mailto:a...@iss
>
>> *Cc:* n...@fisk.me.uk ;
>> Horace Ng > >; ceph-users <
>> ceph-users@lists.ceph.com
>> >
>> *Subject:* Re: [ceph-users] Ceph + VMware + Single Thread Performance
>>
>>
>>
>>
>>
>> On Sunday, August 21, 2016, Wilhelm Red
e a really good fit.
>
>
>
> Thanks for your very valuable info on analysis and hw build.
>
>
>
> Alex
>
>
>
>
>
>
> Am 21.08.2016 um 09:31 schrieb Nick Fisk :
>
> >> -Original Message-
> >> From: Alex Gorbachev [mail
From: w...@globe.de [mailto:w...@globe.de]
Sent: 31 August 2016 08:56
To: n...@fisk.me.uk; 'Alex Gorbachev' ; 'Horace Ng'
Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
Nick,
what do you think about Infiniband?
I have read that with Infiniband the
From: w...@globe.de [mailto:w...@globe.de]
Sent: 30 August 2016 18:40
To: n...@fisk.me.uk; 'Alex Gorbachev'
Cc: 'Horace Ng'
Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
Hi Nick,
here are my answers and questions...
Am 30.08.16 um 19:
Hello,
On Mon, 22 Aug 2016 20:34:54 +0100 Nick Fisk wrote:
> > -Original Message-
> > From: Christian Balzer [mailto:ch...@gol.com]
> > Sent: 22 August 2016 03:00
> > To: 'ceph-users'
> > Cc: Nick Fisk
> > Subject: Re: [ceph-us
From: Alex Gorbachev [mailto:a...@iss-integration.com]
Sent: 22 August 2016 20:30
To: Nick Fisk
Cc: Wilhelm Redbrake ; Horace Ng ; ceph-users
Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
On Sunday, August 21, 2016, Wilhelm Redbrake mailto:w...@globe.de
> -Original Message-
> From: Christian Balzer [mailto:ch...@gol.com]
> Sent: 22 August 2016 03:00
> To: 'ceph-users'
> Cc: Nick Fisk
> Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
>
>
> Hello,
>
> On Sun,
your very valuable info on analysis and hw build.
>
>
>
> Alex
>
>
>
>
>
>
> Am 21.08.2016 um 09:31 schrieb Nick Fisk :
>
> >> -Original Message-
> >> From: Alex Gorbachev [mailto:a...@iss-integration.com]
> >> Sent: 21 August 2016
; From: Alex Gorbachev [mailto:a...@iss-integration.com]
> > > >> Sent: 21 August 2016 04:15
> > > >> To: Nick Fisk
> > > >> Cc: w...@globe.de; Horace Ng ; ceph-users
> > > >>
> > > >> Subject: Re: [ceph-users] Ceph + VMware + Singl
From: Alex Gorbachev [mailto:a...@iss-integration.com]
Sent: 21 August 2016 15:27
To: Wilhelm Redbrake
Cc: n...@fisk.me.uk; Horace Ng ; ceph-users
Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
On Sunday, August 21, 2016, Wilhelm Redbrake mailto:w...@globe.de
2016 04:15
> >> To: Nick Fisk >
> >> Cc: w...@globe.de ; Horace Ng >; ceph-users >
> >> Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
> >>
> >> Hi Nick,
> >>
> >> On Thu, Jul 21, 2016 at 8:33 AM, Nick Fisk
> -Original Message-
> From: Wilhelm Redbrake [mailto:w...@globe.de]
> Sent: 21 August 2016 09:34
> To: n...@fisk.me.uk
> Cc: Alex Gorbachev ; Horace Ng ;
> ceph-users
> Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
>
> Hi Nick,
> -Original Message-
> From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of
> Christian Balzer
> Sent: 21 August 2016 09:32
> To: ceph-users
> Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
>
>
> Hello,
>
> O
on.com]
> >> Sent: 21 August 2016 04:15
> >> To: Nick Fisk
> >> Cc: w...@globe.de; Horace Ng ; ceph-users
> >>
> >> Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
> >>
> >> Hi Nick,
> >>
> >> On Thu
achev [mailto:a...@iss-integration.com]
>> Sent: 21 August 2016 04:15
>> To: Nick Fisk
>> Cc: w...@globe.de; Horace Ng ; ceph-users
>>
>> Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
>>
>> Hi Nick,
>>
>> On Thu, Jul 21, 20
> -Original Message-
> From: Alex Gorbachev [mailto:a...@iss-integration.com]
> Sent: 21 August 2016 04:15
> To: Nick Fisk
> Cc: w...@globe.de; Horace Ng ; ceph-users
>
> Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
>
> Hi Nick,
>
Fisk:
>> >> -Original Message-
>> >> From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf
>> >> Of w...@globe.de
>> >> Sent: 21 July 2016 13:04
>> >> To: n...@fisk.me.uk; 'Horace Ng'
>> >> Cc: c
...@fisk.me.uk; ceph-users@lists.ceph.com
Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
Okay that should be the answer...
I think it would be great to use Intel P3700 1.6TB as bcache in the iscsi rbd
client gateway nodes.
caching device: Intel P3700 1.6TB
backing device
: 21 July 2016 14:05
To: ceph-users@lists.ceph.com
Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
That can not be correct.
Check it at your cluster with dstat as i said...
You will see at every node parallel IO on every OSD and journal
Am 21.07.16 um 15:02 schrieb
: n...@fisk.me.uk
;
'Horace Ng'
Cc: ceph-users@lists.ceph.com
Subject: Re: [ceph-users] Ceph + VMware + Single
Thread Performance
lto:w...@globe.de ]
Sent: 21 July 2016 13:23
To: n...@fisk.me.uk
; 'Horace Ng'
Cc: ceph-users@lists.ceph.com
Subject: Re: [ceph-users] Ceph + VMware + Single Thread
Performance
Okay and what is your plan now to speed up ?
Now I have come up wi
mance improve.
>
>
> Am 21.07.16 um 14:33 schrieb Nick Fisk:
>
> -Original Message-
> From: w...@globe.de [
> mailto:w...@globe.de ]
> Sent: 21 July 2016 13:23
> To: n...@fisk.me.uk ;
> 'Horace Ng'
>
> Cc: ceph-users@lists.ceph.com
>
> Subject
-
> >> From: w...@globe.de [mailto:w...@globe.de]
> >> Sent: 21 July 2016 13:23
> >> To: n...@fisk.me.uk; 'Horace Ng'
> >> Cc: ceph-users@lists.ceph.com
> >> Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
> >>
>
From: w...@globe.de [mailto:w...@globe.de]
Sent: 21 July 2016 13:23
To: n...@fisk.me.uk; 'Horace Ng'
Cc: ceph-users@lists.ceph.com
Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
Okay and what is your plan now to speed up ?
Now I have come up with a lower latency
ce Ng'
Cc: ceph-users@lists.ceph.com
Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
Okay and what is your plan now to speed up ?
Now I have come up with a lower latency hardware design, there is not much
further improvement until persistent RBD caching is implemented, as y
From: Jake Young [mailto:jak3...@gmail.com]
Sent: 21 July 2016 13:24
To: n...@fisk.me.uk; w...@globe.de
Cc: Horace Ng ; ceph-users@lists.ceph.com
Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
My workaround to your single threaded performance issue was to increase the
> -Original Message-
> From: w...@globe.de [mailto:w...@globe.de]
> Sent: 21 July 2016 13:23
> To: n...@fisk.me.uk; 'Horace Ng'
> Cc: ceph-users@lists.ceph.com
> Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
>
> Okay and what is
---Original Message-
> > From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com
> ] On Behalf Of Horace
> > Sent: 21 July 2016 10:26
> > To: w...@globe.de
> > Cc: ceph-users@lists.ceph.com
> > Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
&
...@lists.ceph.com] On Behalf Of
w...@globe.de
Sent: 21 July 2016 13:04
To: n...@fisk.me.uk; 'Horace Ng'
Cc: ceph-users@lists.ceph.com
Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
Hi,
hmm i think 200 MByte/s is really bad. Is your Cluster in production right now?
It&#
> -Original Message-
> From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of
> w...@globe.de
> Sent: 21 July 2016 13:04
> To: n...@fisk.me.uk; 'Horace Ng'
> Cc: ceph-users@lists.ceph.com
> Subject: Re: [ceph-users] Ceph + VMware + Si
lists.ceph.com] On Behalf Of Horace
Sent: 21 July 2016 10:26
To: w...@globe.de
Cc: ceph-users@lists.ceph.com
Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
Hi,
Same here, I've read some blog saying that vmware will frequently verify the
locking on VMFS over iSCSI, hence i
iginal Message-
> From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of
> Horace
> Sent: 21 July 2016 10:26
> To: w...@globe.de
> Cc: ceph-users@lists.ceph.com
> Subject: Re: [ceph-users] Ceph + VMware + Single Thread Performance
>
> Hi,
>
> Same her
users@lists.ceph.com
Sent: Thursday, July 21, 2016 5:11:21 PM
Subject: [ceph-users] Ceph + VMware + Single Thread Performance
Hi everyone,
we see at our cluster relatively slow Single Thread Performance on the
iscsi Nodes.
Our setup:
3 Racks:
18x Data Nodes, 3 Mon Nodes, 3 iscsi Gateway Nodes with tgt
Hi everyone,
we see at our cluster relatively slow Single Thread Performance on the
iscsi Nodes.
Our setup:
3 Racks:
18x Data Nodes, 3 Mon Nodes, 3 iscsi Gateway Nodes with tgt (rbd cache off).
2x Samsung SM863 Enterprise SSD for Journal (3 OSD per SSD) and 6x WD
Red 1TB per Data Node as
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