Am 09.09.2013 um 10:47 hat xuanmao_001 geschrieben:
> > I sent patches that should eliminate the difference between the first
> > and second snapshot at least.
>
> where I can find the patches that can
> eliminate the difference between the first
> and second snapshot ? Does they fit qemu-kvm-1.0
> I sent patches that should eliminate the difference between the first
> and second snapshot at least.
where I can find the patches that can eliminate the difference between the first
and second snapshot ? Does they fit qemu-kvm-1.0,1 ?
xuanmao_001
From: Kevin Wolf
Date: 2013-09-09 16:35
To:
Am 09.09.2013 um 03:57 hat xuanmao_001 geschrieben:
> >> the other question: when I change the buffer size #define IO_BUF_SIZE 32768
> >> to #define IO_BUF_SIZE (1 * 1024 * 1024), the savevm is more quickly.
>
> > Is this for cache=unsafe as well?
>
> > Juan, any specific reason for using 32k?
>> the other question: when I change the buffer size #define IO_BUF_SIZE 32768
>> to #define IO_BUF_SIZE (1 * 1024 * 1024), the savevm is more quickly.
> Is this for cache=unsafe as well?
> Juan, any specific reason for using 32k? I think it would be better to
> have a multiple of the qcow2 clust
Am 06.09.2013 um 03:31 hat xuanmao_001 geschrieben:
> Hi, qemuers:
>
> I found that the guest disk file cache mode will affect to the time of savevm.
>
> the cache 'writeback' too slow. but the cache 'unsafe' is as fast as it can,
> less than 10 seconds.
>
> here is the example I use virsh:
>
Hi, qemuers:
I found that the guest disk file cache mode will affect to the time of savevm.
the cache 'writeback' too slow. but the cache 'unsafe' is as fast as it can,
less than 10 seconds.
here is the example I use virsh:
@cache with writeback:
#the first snapshot
real0m21.904s
user0m