high means better performance.
I am using the sequential reading
How VFS takes decision on whether to turn on readahead?
On 10/24/08, Mulyadi Santosa <mulyadi.santosa@xxxxxxxxx> wrote:
On Fri, Oct 24, 2008 at 12:52 AM, pradeepkumar soman
<pradeep2481@xxxxxxxxx> wrote:
> Hi,
> Anybody please tell me who is actually setting the readahead flag?
I think it sits between VFS and filesystem.
> Actually what is the difference between linux-2.6.15 and
> linux-2.6.23 in terms of readahead. My file system read performance is very
> high in linux-2.6.23 compared to
> linux-2.6.15. Is this due to readahead implementation change?
what do you mean by high? do you mean it's better?
And how do you read the file ? 100% sequential? stride read?
regards,
Mulyadi.
