Primocache stops writing to L2 after a while

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Jaga
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Re: Primocache stops writing to L2 after a while

Post by Jaga »

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Last edited by Jaga on Fri Nov 07, 2014 8:50 am, edited 1 time in total.
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Jaga
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Re: Primocache stops writing to L2 after a while

Post by Jaga »

The only thing that appears to have helped me with regards to the faulty/slow L2 cache is enabling/resetting the performance monitors in Windows, via this article:

http://blogs.technet.com/b/yongrhee/arc ... 008r2.aspx

After the reset and a reboot the L2 cache is once again aggressively filling. I would suggest being a bit more attentive with L2 comments and referring people to that link.
RobF
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Re: Primocache stops writing to L2 after a while

Post by RobF »

Any updates on this?

On my system it stops writing after it has used about 30GB of the 90GB I've allocated to L2.
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Jaga
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Re: Primocache stops writing to L2 after a while

Post by Jaga »

You may just be hitting a practical, usable limit on the L2 cache Rob.

You can try the link I left in the post above yours, that resets the Windows performance monitors. But it sounds like your L2 is loading fine, it's just topping out before you'd like it to. I have my L2 set to 30gb, and it floats between 15 full and 29 full.

The other possibility is that there's a different bug with the L2, where it stops filling for some reason once it hits a numerical or percentage-based level.
piquadrat
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Re: Primocache stops writing to L2 after a while

Post by piquadrat »

If you are loosing counters randomly there is a fix I found and presented here:
viewtopic.php?f=35&t=2582&p=7341#p7341
Never have had problems since I applied this.
romanshein
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Re: Primocache stops writing to L2 after a while

Post by romanshein »

I also had the problem due to disabled DiskPerf counters. Romex shall consider adding a feature to force enable DiskPerf. Primocache is useless, if DiskPerf is inactive.
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