On Thu, Aug 9, 2018 at 2:08 PM, 刘硕然 wrote:
> Thanks for the advice. I tried removing BDI_CAP_STRICTLIMIT, and it works.
> There is no balance_dirty_pages() triggered, and the performance improves a
> lot.
>
> Tested by libfuse passthrough_ll example and fio:
> ./passthrough_ll -o writeback
On Thu, Aug 9, 2018 at 2:08 PM, 刘硕然 wrote:
> Thanks for the advice. I tried removing BDI_CAP_STRICTLIMIT, and it works.
> There is no balance_dirty_pages() triggered, and the performance improves a
> lot.
>
> Tested by libfuse passthrough_ll example and fio:
> ./passthrough_ll -o writeback
in advance.
Regards,
Shuoran
-邮件原件-
发件人: Miklos Szeredi [mailto:mik...@szeredi.hu]
发送时间: 2018年8月9日 16:30
收件人: 刘硕然
抄送: linux-fsde...@vger.kernel.org; linux-kernel@vger.kernel.org
主题: Re: FUSE: write operations trigger balance_dirty_pages when using writeback
cache
On Thu, Aug 9, 2018 at 9
in advance.
Regards,
Shuoran
-邮件原件-
发件人: Miklos Szeredi [mailto:mik...@szeredi.hu]
发送时间: 2018年8月9日 16:30
收件人: 刘硕然
抄送: linux-fsde...@vger.kernel.org; linux-kernel@vger.kernel.org
主题: Re: FUSE: write operations trigger balance_dirty_pages when using writeback
cache
On Thu, Aug 9, 2018 at 9
On Thu, Aug 9, 2018 at 9:31 AM, 刘硕然 wrote:
> Thank you for the prompt reply.
>
> I tried this config, but still can get balance_dirty_pages triggered.
I think it may be due to BDI_CAP_STRICTLIMIT used by fuse. If you
remove that setting from fuse in the kernel you should not be getting
the
On Thu, Aug 9, 2018 at 9:31 AM, 刘硕然 wrote:
> Thank you for the prompt reply.
>
> I tried this config, but still can get balance_dirty_pages triggered.
I think it may be due to BDI_CAP_STRICTLIMIT used by fuse. If you
remove that setting from fuse in the kernel you should not be getting
the
=16 think=1
cgroup_ino=1
...
Regards,
Shuoran
-邮件原件-
发件人: Miklos Szeredi [mailto:mik...@szeredi.hu]
发送时间: 2018年8月9日 15:14
收件人: 刘硕然
抄送: linux-fsde...@vger.kernel.org; linux-kernel@vger.kernel.org
主题: Re: FUSE: write operations trigger balance_dirty_pages when using writeback
cache
On
=16 think=1
cgroup_ino=1
...
Regards,
Shuoran
-邮件原件-
发件人: Miklos Szeredi [mailto:mik...@szeredi.hu]
发送时间: 2018年8月9日 15:14
收件人: 刘硕然
抄送: linux-fsde...@vger.kernel.org; linux-kernel@vger.kernel.org
主题: Re: FUSE: write operations trigger balance_dirty_pages when using writeback
cache
On
On Thu, Aug 9, 2018 at 5:37 AM, 刘硕然 wrote:
> Dear Miklos,
>
> Recently I've been testing FUSE and libfuse example passthrough_ll with
> writeback cache on, and found out that the performance drops significantly
> compared to that in local filesystem. As I can see from trace,
>
On Thu, Aug 9, 2018 at 5:37 AM, 刘硕然 wrote:
> Dear Miklos,
>
> Recently I've been testing FUSE and libfuse example passthrough_ll with
> writeback cache on, and found out that the performance drops significantly
> compared to that in local filesystem. As I can see from trace,
>
Dear Miklos,
Recently I've been testing FUSE and libfuse example passthrough_ll with
writeback cache on, and found out that the performance drops significantly
compared to that in local filesystem. As I can see from trace,
balance_dirty_pages is triggered very frequently even if there not
Dear Miklos,
Recently I've been testing FUSE and libfuse example passthrough_ll with
writeback cache on, and found out that the performance drops significantly
compared to that in local filesystem. As I can see from trace,
balance_dirty_pages is triggered very frequently even if there not
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