On Sun, Jan 3, 2010 at 1:59 AM, Brent Jones wrote:
> On Wed, Dec 30, 2009 at 9:35 PM, Ross Walker wrote:
>> On Dec 30, 2009, at 11:55 PM, "Steffen Plotner"
>> wrote:
>>
>> Hello,
>>
>> I was doing performance testing, validating zvol performance in
>> particularly, and found that zvol write perf
On Wed, Dec 30, 2009 at 9:35 PM, Ross Walker wrote:
> On Dec 30, 2009, at 11:55 PM, "Steffen Plotner"
> wrote:
>
> Hello,
>
> I was doing performance testing, validating zvol performance in
> particularly, and found that zvol write performance to be slow ~35-44MB/s at
> 1MB blocksize writes. I th
-Original Message-
From: Ross Walker [mailto:rswwal...@gmail.com]
Sent: Thu 12/31/2009 12:35 AM
To: Steffen Plotner
Cc:
Subject: Re: [zfs-discuss] zvol (slow) vs file (fast) performance snv_130
Been there.
ZVOLs were changed a while ago to make each operation synchronous so to provide
On Dec 30, 2009, at 9:35 PM, Ross Walker wrote:
On Dec 30, 2009, at 11:55 PM, "Steffen Plotner"
wrote:
Hello,
I was doing performance testing, validating zvol performance in
particularly, and found that zvol write performance to be slow
~35-44MB/s at 1MB blocksize writes. I then teste
On Dec 30, 2009, at 11:55 PM, "Steffen Plotner"
wrote:
Hello,
I was doing performance testing, validating zvol performance in
particularly, and found that zvol write performance to be slow
~35-44MB/s at 1MB blocksize writes. I then tested the underlying zfs
file system with the same te
On Wed, Dec 30, 2009 at 8:55 PM, Steffen Plotner wrote:
> Hello,
>
> I was doing performance testing, validating zvol performance in
> particularly, and found that zvol write performance to be slow ~35-44MB/s at
> 1MB blocksize writes. I then tested the underlying zfs file system with the
> same t
Hello,
I was doing performance testing, validating zvol performance in particularly,
and found that zvol write performance to be slow ~35-44MB/s at 1MB blocksize
writes. I then tested the underlying zfs file system with the same test and got
121MB/s. Is there any way to fix this? I really woul
