Andy Isaacson wrote:
> Most likely is that your app isn't behaving in a cache-friendly way.ÂÂIf
> your file will fit in memory, just fault it in sequentially (wc -l file)
> and then your app should cook.ÂÂIfÂyou'reÂnotÂgoingÂtoÂfitÂinÂmemory,
> the vm caching will probably only help if you have
On Tue, Feb 08, 2005 at 12:06:14PM -0500, jon ross wrote:
> I have an app with a small fixed memory footprint that does a lot of
> random reads from a large file. I thought if I added more memory to
> the machine the VM would do more caching of the disk, but added memory
> does not seem to make
On Tue, Feb 08, 2005 at 12:06:14PM -0500, jon ross wrote:
> I have an app with a small fixed memory footprint that does a lot of
> random reads from a large file. I thought if I added more memory to
> the machine the VM would do more caching of the disk, but added
> memory does not seem to make
On Tue, 2005-02-08 at 12:06 -0500, jon ross wrote:
> I have an app with a small fixed memory footprint that does a lot of
> random reads from a large file. I thought if I added more memory to
> the machine the VM would do more caching of the disk, but added memory
> does not seem to make any
I have an app with a small fixed memory footprint that does a lot of
random reads from a large file. I thought if I added more memory to
the machine the VM would do more caching of the disk, but added memory
does not seem to make any difference. I played with some of the params
in /proc/sys/vm and
I have an app with a small fixed memory footprint that does a lot of
random reads from a large file. I thought if I added more memory to
the machine the VM would do more caching of the disk, but added memory
does not seem to make any difference. I played with some of the params
in /proc/sys/vm and
On Tue, 2005-02-08 at 12:06 -0500, jon ross wrote:
I have an app with a small fixed memory footprint that does a lot of
random reads from a large file. I thought if I added more memory to
the machine the VM would do more caching of the disk, but added memory
does not seem to make any
On Tue, Feb 08, 2005 at 12:06:14PM -0500, jon ross wrote:
I have an app with a small fixed memory footprint that does a lot of
random reads from a large file. I thought if I added more memory to
the machine the VM would do more caching of the disk, but added
memory does not seem to make any
On Tue, Feb 08, 2005 at 12:06:14PM -0500, jon ross wrote:
I have an app with a small fixed memory footprint that does a lot of
random reads from a large file. I thought if I added more memory to
the machine the VM would do more caching of the disk, but added memory
does not seem to make any
Andy Isaacson wrote:
Most likely is that your app isn't behaving in a cache-friendly way.If
your file will fit in memory, just fault it in sequentially (wc -l file)
and then your app should cook.Ifyou'renotgoingtofitinmemory,
the vm caching will probably only help if you have some reuse; you
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