On Fri, 2023-04-14 at 17:34 -0400, Genes Lists wrote:
> And no, its not 'stale' data, blocks that have not changed are fetched
> from buffer cache.
Hi,
the kernel only knows access via software, it cannot know when something
will break in the hardware without any feedback. If a nano thing in an
Ralf Mardorf wrote:
> Hi,
>
> my google search was "does linux diff compare data using a cache".
>
> I'm trying to figure out what's going on. The first diff of 10 GiB of
> data copied from a SATA3 SSD to an USB 2 stick connected to an USB 3
> port took around a minute, right after the copy fin
On Fri, Apr 14, 2023 at 10:59:13PM +0200, Ralf Mardorf wrote:
Hi Ralf,
> Hi,
>
> my google search was "does linux diff compare data using a cache".
>
> I'm trying to figure out what's going on. The first diff of 10 GiB of
> data copied from a SATA3 SSD to an USB 2 stick connected to an USB 3
>
On 4/14/23 16:59, Ralf Mardorf wrote:
Hi,
my google search was "does linux diff compare data using a cache".
Its not "diff" doing anything weird, its simply the linux kernel buffer
cache - and it works great doesn't it.
And no, its not 'stale' data, blocks that have not changed are fetched
try bsdiff maybe? https://www.daemonology.net/bsdiff/
it will probably be very slow if you're not going through the filesystem
cache
On Fri, Apr 14, 2023, 4:59 PM Ralf Mardorf wrote:
> Hi,
>
> my google search was "does linux diff compare data using a cache".
>
> I'm trying to figure out what's
Hi,
my google search was "does linux diff compare data using a cache".
I'm trying to figure out what's going on. The first diff of 10 GiB of
data copied from a SATA3 SSD to an USB 2 stick connected to an USB 3
port took around a minute, right after the copy finished. A second diff
needed 3 second
