On Thu, 15 Mar 2007, Nick Piggin wrote:
On Thu, Mar 15, 2007 at 11:56:59AM -0400, Chuck Ebbert wrote:
Ashif Harji wrote:
This patch unconditionally calls mark_page_accessed to prevent pages,
especially for small files, from being evicted from the page cache
despite frequent access.
Signed
On Wed, 14 Mar 2007, Xiaoning Ding wrote:
Dave Kleikamp wrote:
On Wed, 2007-03-14 at 22:33 +0100, Andreas Mohr wrote:
Hi,
On Wed, Mar 14, 2007 at 03:55:41PM -0500, Dave Kleikamp wrote:
On Wed, 2007-03-14 at 15:58 -0400, Ashif Harji wrote:
This patch unconditionally calls
This patch unconditionally calls mark_page_accessed to prevent pages,
especially for small files, from being evicted from the page cache despite
frequent access.
Signed-off-by: Ashif Harji <[EMAIL PROTECTED]>
---
If the same page of a file is repeatedly accessed (without accessing
I would like to submit a patch to fix the performance problem. The
simplest solution is to remove the check. Even in the situation where an
application does not read in PAGE_SIZE multiples as described above, if
the page is accessed frequently it should remain in the cache. However, I
am open
On Mon, 12 Mar 2007, Jan Kara wrote:
On Mon 12-03-07 15:39:00, Nick Piggin wrote:
On Mon, Mar 12, 2007 at 03:20:12PM +0100, Jan Kara wrote:
Hi,
Hi, I am encountering a performance problem, which I have tracked into the
Linux kernel. The problem occurs with my experimental web server that
The implication of this code is that for files of size less than or equal
to a single page, the page associated with such a file is likely to get
evicted from the cache regardless of how frequently it is accessed. The
reason is that after the first access, prev_index is always zero and index
ca
Hi, I am encountering a performance problem, which I have tracked into the
Linux kernel. The problem occurs with my experimental web server that uses
sendfile to repeatedly transmit files. The files are based on the static
portion of the SPECweb99 fileset and range in size to model a reasonab
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