Jeff Janes jeff.ja...@gmail.com writes:
(top doesn't distinguish between memory that has been requested but
never accessed, versus memory that has been accessed and then truly
swapped out to disk. So unless you first let it run to steady-state
before applying pressure, it is hard to interpret
On Sun, Dec 19, 2010 at 6:14 AM, Martijn van Oosterhout
klep...@svana.org wrote:
On Sat, Dec 18, 2010 at 11:59:33PM -0800, Jeff Janes wrote:
On Sat, Dec 18, 2010 at 10:11 PM, flyusa2010 fly flyusa2...@gmail.com
wrote:
hi, folks!
I see that shared cache is implemented by system v shared
On Tue, Jan 04, 2011 at 09:51:05AM -0800, Jeff Janes wrote:
Correct. The kernel ignores locking requests because it's a great way
to DOS a machine. For example, mlock() of large blocks of memory is
also not permitted for similar reasons.
Does it ignore such requests in general, or only
On Tue, Jan 4, 2011 at 2:52 PM, Martijn van Oosterhout
klep...@svana.org wrote:
On Tue, Jan 04, 2011 at 09:51:05AM -0800, Jeff Janes wrote:
Correct. The kernel ignores locking requests because it's a great way
to DOS a machine. For example, mlock() of large blocks of memory is
also not
On Sat, Dec 18, 2010 at 10:11 PM, flyusa2010 fly flyusa2...@gmail.com wrote:
hi, folks!
I see that shared cache is implemented by system v shared memory. I wonder
whether data in this area can be swapped out to disk.
Isn't it bad that we read data from disk, put data in shared cache, and
On Sat, Dec 18, 2010 at 11:59:33PM -0800, Jeff Janes wrote:
On Sat, Dec 18, 2010 at 10:11 PM, flyusa2010 fly flyusa2...@gmail.com wrote:
hi, folks!
I see that shared cache is implemented by system v shared memory. I wonder
whether data in this area can be swapped out to disk.
Isn't it bad
hi, folks!
I see that shared cache is implemented by system v shared memory. I wonder
whether data in this area can be swapped out to disk.
Isn't it bad that we read data from disk, put data in shared cache, and
finally data in shared cache is swapped to disk again!
Why not use