Diskcaching: Primocache

I`m just playing around with Primocache (on a host and its VM). Looks
promising, especially if you have a lot of RAM and only harddisks.
Some scenarios:

https://kallesplayground.wordpress.c...e-for-windows/

http://howdoicomputer.com/2016/02/pr...roduct-review/

But if you have enough RAM (ca. 10 GB) start with (in an elevated
command shell):
fsutil behavior set memoryusage 2

Background:
https://technet.microsoft.com/en-us/...(v=ws.11).aspx
(...)
Increasing physical memory does not always increase the amount of
paged pool memory available to NTFS. Setting memoryusage to 2 raises
the limit of paged pool memory. This might improve performance if your
system is opening and closing many files in the same file set and is
not already using large amounts of system memory for other
applications or for cache memory. If your computer is already using
large amounts of system memory for other applications or for cache
memory, increasing the limit of NTFS paged and non-paged pool memory
reduces the available pool memory for other processes. This might
reduce overall system performance. This parameter updates the
HKLM\SYSTEM\CurrentControlSet\Control\FileSystem\N tfsMemoryUsage
registry key.
(...)


On Sun, 18 Jun 2017 12:50:25 +0200, Michael Logies
wrote:

I`m just playing around with Primocache (on a host and its VM). Looks
promising, especially if you have a lot of RAM and only harddisks.
Some scenarios:

https://kallesplayground.wordpress.c...e-for-windows/

http://howdoicomputer.com/2016/02/pr...roduct-review/

On 2017-06-20 16:32, Michael Logies wrote:

But if you have enough RAM (ca. 10 GB) start with (in an elevated
command shell): fsutil behavior set memoryusage 2

On Sun, 18 Jun 2017 12:50:25 +0200, Michael Logies
wrote:

I`m just playing around with Primocache (on a host and its VM). Looks
promising, especially if you have a lot of RAM and only harddisks.
Some scenarios:

https://kallesplayground.wordpress.c...e-for-windows/
http://howdoicomputer.com/2016/02/pr...roduct-review/

It looks good indeed, I've opened a TAB to their website in Firefox and
/may/ look into it. What makes me hesitant is that I have a RAID on
Intel's controller and they already do their own caching + my boot drive
is an SSD. This means PrimoCache would only really be useful for the
Apps/Games drive, and Windows caching might be enough already.

But feel free to report your experiences with it!

Best Regards,

--
! _\|/_ Sylvain /
! (o o) Memberavid-Suzuki-Fdn/EFF/Red+Cross/SPCA/Planetary-Society
oO-( )-Oo Cardassian Cable : 4 channels? No! *5* channels!

On Tue, 20 Jun 2017 22:26:23 -0400, B00ze wrote:

This means PrimoCache would only really be useful for the
Apps/Games drive, and Windows caching might be enough already.

It`s an easy and fast installation and deinstallation. The software is
easy to use, with pop-up-hints. I would test. Primocache can also
cache a RAID.

Regards

M.

I`m using Primocache since a year now, on a host (24 GB RAM) with 2
virtual machines (VMs). My main VM (terminal server for 5 people, 9.5
GB RAM) usually shows a hit rate in Primocache of around 80% (4 GB of
RAM for the buffered partition of the VM, laying on a Samsung 860 Pro
SSD). It makes things faster and smoother, I believe.

But also important was to configure "i/o priority" with the free
"Process Hacker 2". It can set and keep the process priorities for the
CPU and for i/o, which really makes a difference with big backup jobs
(database dumps) in the background, which used to slow down the
terminal server when running, a few times per day for 2-3 minutes.
After grading down the i/o priority of the backup processes one step
in Process Hacker, this "problem" is gone:
https://processhacker.sourceforge.io

On Tue, 20 Jun 2017 22:32:29 +0200, Michael Logies
wrote:

But if you have enough RAM (ca. 10 GB) start with (in an elevated
command shell):
fsutil behavior set memoryusage 2

Background:
https://technet.microsoft.com/en-us/...(v=ws.11).aspx
(...)
Increasing physical memory does not always increase the amount of
paged pool memory available to NTFS. Setting memoryusage to 2 raises
the limit of paged pool memory. This might improve performance if your
system is opening and closing many files in the same file set and is
not already using large amounts of system memory for other
applications or for cache memory. If your computer is already using
large amounts of system memory for other applications or for cache
memory, increasing the limit of NTFS paged and non-paged pool memory
reduces the available pool memory for other processes. This might
reduce overall system performance. This parameter updates the
HKLM\SYSTEM\CurrentControlSet\Control\FileSystem\ NtfsMemoryUsage
registry key.
(...)


On Sun, 18 Jun 2017 12:50:25 +0200, Michael Logies
wrote:

I`m just playing around with Primocache (on a host and its VM). Looks
promising, especially if you have a lot of RAM and only harddisks.
Some scenarios:

https://kallesplayground.wordpress.c...e-for-windows/

http://howdoicomputer.com/2016/02/pr...roduct-review/