At Thu, 25 Oct 2012 13:55:20 +0200,
Bastian Scholz wrote:
> Master Branch from today...
>
> # collie vdi create test 1G
> # ./vditest test -w -B 4096 -a
>
> First try, some sheeps die and the vdis had failed objects.
> After shutting down the remaining sheeps, restart all and
> wait for recovery
OKAY...
call me sheep-ripper...
Am 2012-10-25 10:08, schrieb MORITA Kazutaka:
So far, I've not encountered situations where my patch shows worse
performance. In most cases, queue_work is called only from one
thread, so serializing at queue_work is unlikely to be a problem.
Another contention i
At Thu, 25 Oct 2012 09:14:32 +0200,
Bastian Scholz wrote:
>
> Am 2012-10-22 08:43, schrieb MORITA Kazutaka:
> > Yes, we need more numbers with various conditions to change the
> > design. (I like this patch implementation, which uses the same code
> > with ordered work queue, though.)
> >
> > I t
Am 2012-10-22 08:43, schrieb MORITA Kazutaka:
Yes, we need more numbers with various conditions to change the
design. (I like this patch implementation, which uses the same code
with ordered work queue, though.)
I think of trying it, but I wish more users would test it too.
Hi Kazutaka,
If I
At Mon, 22 Oct 2012 16:46:35 +0900,
MORITA Kazutaka wrote:
>
> At Mon, 22 Oct 2012 15:35:46 +0800,
> Liu Yuan wrote:
> >
> > On 10/22/2012 02:50 PM, Liu Yuan wrote:
> > > On 10/22/2012 02:43 PM, MORITA Kazutaka wrote:
> > >> I think of trying it, but I wish more users would test it too.
> > >
>
At Mon, 22 Oct 2012 15:35:46 +0800,
Liu Yuan wrote:
>
> On 10/22/2012 02:50 PM, Liu Yuan wrote:
> > On 10/22/2012 02:43 PM, MORITA Kazutaka wrote:
> >> I think of trying it, but I wish more users would test it too.
> >
> > I have tested it on my laptop and get the similar result.
> >
> > What I
On 10/22/2012 02:50 PM, Liu Yuan wrote:
> On 10/22/2012 02:43 PM, MORITA Kazutaka wrote:
>> I think of trying it, but I wish more users would test it too.
>
> I have tested it on my laptop and get the similar result.
>
> What I am only concerned is that if pthread signal & wakeup use a signal
> w
On 10/22/2012 02:43 PM, MORITA Kazutaka wrote:
> I think of trying it, but I wish more users would test it too.
I have tested it on my laptop and get the similar result.
What I am only concerned is that if pthread signal & wakeup use a signal
wakeup queue instead of multi-queues, the wakeup itsel
At Mon, 22 Oct 2012 14:30:51 +0800,
Liu Yuan wrote:
>
> On 10/22/2012 12:31 PM, MORITA Kazutaka wrote:
> > Currently, sheep calls a pthread_create for every I/O request, but the
> > overhead is not so cheap. On my environment, it takes 320
> > microseconds for sheep to process 4 KB write, but I f
On 10/22/2012 12:31 PM, MORITA Kazutaka wrote:
> Currently, sheep calls a pthread_create for every I/O request, but the
> overhead is not so cheap. On my environment, it takes 320
> microseconds for sheep to process 4 KB write, but I found that sheep
> spends 30~40 microseconds in pthread_create.
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