В Пн., 29/08/2011 в 13:09 -0300, Adriano dos Santos Fernandes пишет:
> On 29/08/2011 08:35, Alexander Peshkov wrote:
> > В Вс., 28/08/2011 в 19:14 -0300, Adriano dos Santos Fernandes пишет:
> >> All,
> >>
> >> After I bought a new machine, I reinstalled Ubuntu
> > 11.04?
>
> Yes. Kernel is 2.6.38.
On 29/08/2011 08:35, Alexander Peshkov wrote:
> В Вс., 28/08/2011 в 19:14 -0300, Adriano dos Santos Fernandes пишет:
>> All,
>>
>> After I bought a new machine, I reinstalled Ubuntu
> 11.04?
Yes. Kernel is 2.6.38.
>> in new HDD with ext4
>> filesystem.
>>
>> While the new machine has much bett
В Пн., 29/08/2011 в 16:11 +0200, Paul Reeves пишет:
> The levels are
>
> Application - we can set FW=ON or OFF. If ON the we are saying write
> everything to disc immediately. If FW=OFF then we see a massive performance
> gain on small test runs (especially if super* is used.)
>
> Filesystem
On Monday 29 August 2011 at 15:27 Adriano dos Santos Fernandes wrote:
> >
> > The default for ext3/4 is data=ordered and, from the kernel docs:
> I read divergent things about this. Some says that ext3 default changed
> to writeback, others says it depends from a kernel configure option.
I have
On Monday 29 August 2011 at 15:30 Adriano dos Santos Fernandes wrote:
> On 29/08/2011 10:24, Paul Reeves wrote:
> > On Monday 29 August 2011 at 13:35 Alexander Peshkov wrote:
> >> Tested CREATE DATABASE on my old box. To avoid disk fragmentation
> >> effects database was always created on new shin
On 29/08/2011 10:24, Paul Reeves wrote:
> On Monday 29 August 2011 at 13:35 Alexander Peshkov wrote:
>
>> Tested CREATE DATABASE on my old box. To avoid disk fragmentation
>> effects database was always created on new shining partition.
>>
> I've found different results doing a large db restore. ex
On 29/08/2011 10:13, Paul Reeves wrote:
> On Monday 29 August 2011 at 14:25 Michael Weissenbacher wrote:
>
>>> But if barriers are needed just to make journal commits safe on the disk
>>> with write cache turned on this seems to be not directly related with
>>> firebird databases - write cache ON w
On Monday 29 August 2011 at 13:35 Alexander Peshkov wrote:
>
> Tested CREATE DATABASE on my old box. To avoid disk fragmentation
> effects database was always created on new shining partition.
>
I've found different results doing a large db restore. ext4 came out better
than ext3. I also found
On Monday 29 August 2011 at 14:25 Michael Weissenbacher wrote:
> > But if barriers are needed just to make journal commits safe on the disk
> > with write cache turned on this seems to be not directly related with
> > firebird databases - write cache ON will anyway break firebird database
> > in c
>
> But if barriers are needed just to make journal commits safe on the disk
> with write cache turned on this seems to be not directly related with
> firebird databases - write cache ON will anyway break firebird database
> in case of crash. Or may be this option actually deals with all data on
>
>
> Adriano, I'm not sure why you replied to my comment - I was making the same
> point as Torvalds, but with irony instead of insulting morons :-)
>
>
> Paul
I guess he was missing the tag :-)
--
EMC VNX: the world'
It´s semi OT, but what about using XFS?
Seems to be much better in terms of speed, not sure in terms of reliability:
http://www.slideshare.net/ibsurgeon/firebird-25-benchmark-by-tsutomu-hayashi-tomneko
Regards!
El 28/08/2011 07:14 p.m., Adriano dos Santos Fernandes escribió:
> All,
>
> After I b
On Monday 29 August 2011 at 14:22 Alexander Peshkov wrote:
>
> Paul, telling true I've also not understood a humor. May be that's
> because I and Adriano are not native english speakers?
>
Probably :-) I can't say for other langauges but irony is used a lot in
english. When we say someone or s
В Пн., 29/08/2011 в 14:16 +0200, Paul Reeves пишет:
> On Monday 29 August 2011 at 12:47 Adriano dos Santos Fernandes wrote:
>
> > On 29/08/2011 06:27, Paul Reeves wrote:
> > > On Monday 29 August 2011 at 11:05 marius adrian popa wrote:
> > >> you are not the only one that observed db/vm performanc
On Monday 29 August 2011 at 12:47 Adriano dos Santos Fernandes wrote:
> On 29/08/2011 06:27, Paul Reeves wrote:
> > On Monday 29 August 2011 at 11:05 marius adrian popa wrote:
> >> you are not the only one that observed db/vm performance issues with
> >> ext4 maybe you need to mount it with data=w
В Пн., 29/08/2011 в 07:47 -0300, Adriano dos Santos Fernandes пишет:
> On 29/08/2011 06:27, Paul Reeves wrote:
> > On Monday 29 August 2011 at 11:05 marius adrian popa wrote:
> >
> >
> >> you are not the only one that observed db/vm performance issues with ext4
> >> maybe you need to mount it with
В Вс., 28/08/2011 в 19:14 -0300, Adriano dos Santos Fernandes пишет:
> All,
>
> After I bought a new machine, I reinstalled Ubuntu
11.04?
> in new HDD with ext4
> filesystem.
>
> While the new machine has much better CPU than the old one, I noticed
> the build being very slow where Firebird wa
On 29/08/2011 06:05, marius adrian popa wrote:
> On Mon, Aug 29, 2011 at 1:14 AM, Adriano dos Santos Fernandes
> wrote:
>> All,
>>
>> After I bought a new machine, I reinstalled Ubuntu in new HDD with ext4
>> filesystem.
>>
>> While the new machine has much better CPU than the old one, I noticed
On 29/08/2011 06:27, Paul Reeves wrote:
> On Monday 29 August 2011 at 11:05 marius adrian popa wrote:
>
>
>> you are not the only one that observed db/vm performance issues with ext4
>> maybe you need to mount it with data=writeback
>>
>> http://blog.smartlogicsolutions.com/2009/06/04/mount-options
On Monday 29 August 2011 at 11:05 marius adrian popa wrote:
> you are not the only one that observed db/vm performance issues with ext4
> maybe you need to mount it with data=writeback
>
> http://blog.smartlogicsolutions.com/2009/06/04/mount-options-to-improve-ext
> 4-file-system-performance/
>
On Mon, Aug 29, 2011 at 1:14 AM, Adriano dos Santos Fernandes
wrote:
> All,
>
> After I bought a new machine, I reinstalled Ubuntu in new HDD with ext4
> filesystem.
>
> While the new machine has much better CPU than the old one, I noticed
> the build being very slow where Firebird was creating da
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