On 2015/8/5 12:40, Ryan Ding wrote:
Hi Joseph,
On 08/04/2015 05:03 PM, Joseph Qi wrote:
Hi Ryan,
On 2015/8/4 14:16, Ryan Ding wrote:
Hi Joseph,
Sorry for bothering you with the old patches. But I really need to know
what this patch is for.
On 2015/8/5 12:40, Ryan Ding wrote:
Hi Joseph,
On 08/04/2015 05:03 PM, Joseph Qi wrote:
Hi Ryan,
On 2015/8/4 14:16, Ryan Ding wrote:
Hi Joseph,
Sorry for bothering you with the old patches. But I really need to know
what this patch is for.
On 08/05/2015 02:40 PM, Joseph Qi wrote:
On 2015/8/5 12:40, Ryan Ding wrote:
Hi Joseph,
On 08/04/2015 05:03 PM, Joseph Qi wrote:
Hi Ryan,
On 2015/8/4 14:16, Ryan Ding wrote:
Hi Joseph,
Sorry for bothering you with the old patches. But I really need to know
what this patch is for.
On 2015/8/5 16:07, Ryan Ding wrote:
On 08/05/2015 02:40 PM, Joseph Qi wrote:
On 2015/8/5 12:40, Ryan Ding wrote:
Hi Joseph,
On 08/04/2015 05:03 PM, Joseph Qi wrote:
Hi Ryan,
On 2015/8/4 14:16, Ryan Ding wrote:
Hi Joseph,
Sorry for bothering you with the old patches. But I really need
HiJoseph,
On 08/05/2015 07:18 PM, Joseph Qi wrote:
On 2015/8/5 16:07, Ryan Ding wrote:
On 08/05/2015 02:40 PM, Joseph Qi wrote:
On 2015/8/5 12:40, Ryan Ding wrote:
Hi Joseph,
On 08/04/2015 05:03 PM, Joseph Qi wrote:
Hi Ryan,
On 2015/8/4 14:16, Ryan Ding wrote:
Hi Joseph,
Sorry for
Hi Ryan,
On 2015/8/4 14:16, Ryan Ding wrote:
Hi Joseph,
Sorry for bothering you with the old patches. But I really need to know what
this patch is for.
https://oss.oracle.com/pipermail/ocfs2-devel/2015-January/010496.html
From above email archive, you mentioned those patches aim to
Hi Joseph,
On 08/04/2015 05:03 PM, Joseph Qi wrote:
Hi Ryan,
On 2015/8/4 14:16, Ryan Ding wrote:
Hi Joseph,
Sorry for bothering you with the old patches. But I really need to know what
this patch is for.
https://oss.oracle.com/pipermail/ocfs2-devel/2015-January/010496.html
From
On 01/20/2015 05:00 PM, Joseph Qi wrote:
Hi Junxiao,
On 2015/1/20 16:26, Junxiao Bi wrote:
Hi Joseph,
Did this version make any performance improvement with v5? I tested v5,
and it didn't improve performance with original buffer write + sync.
No performance difference between these two
On 01/22/2015 11:54 AM, Joseph Qi wrote:
On 2015/1/22 10:10, Junxiao Bi wrote:
On 01/20/2015 05:00 PM, Joseph Qi wrote:
Hi Junxiao,
On 2015/1/20 16:26, Junxiao Bi wrote:
Hi Joseph,
Did this version make any performance improvement with v5? I tested v5,
and it didn't improve performance
On 2015/1/22 10:10, Junxiao Bi wrote:
On 01/20/2015 05:00 PM, Joseph Qi wrote:
Hi Junxiao,
On 2015/1/20 16:26, Junxiao Bi wrote:
Hi Joseph,
Did this version make any performance improvement with v5? I tested v5,
and it didn't improve performance with original buffer write + sync.
No
Hi Joseph,
Did this version make any performance improvement with v5? I tested v5,
and it didn't improve performance with original buffer write + sync.
Thanks,
Junxiao.
On 01/20/2015 04:01 PM, Joseph Qi wrote:
Currently in case of append O_DIRECT write (block not allocated yet),
ocfs2 will
Currently in case of append O_DIRECT write (block not allocated yet),
ocfs2 will fall back to buffered I/O. This has some disadvantages.
Firstly, it is not the behavior as expected.
Secondly, it will consume huge page cache, e.g. in mass backup scenario.
Thirdly, modern filesystems such as ext4
Hi Junxiao,
On 2015/1/20 16:26, Junxiao Bi wrote:
Hi Joseph,
Did this version make any performance improvement with v5? I tested v5,
and it didn't improve performance with original buffer write + sync.
No performance difference between these two versions.
But we have tested with fio before,
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