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#11
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Configuring a mSATA mini SSD + 1 SSD + 1 HDD on a GA-Z77-D3H
DevilsPGD wrote:
In the last episode of , Paul said: Personally, I'd be more curious what is going to happen when the x64 version of CHHDSK begins to run. Open Resource Monitor and watch the fun. It seems to stop, before it runs out of memory, but on my Windows 7 laptop, it tended to "squeeze" discretionary memory from other running tasks. You'd want to run CHKDSK on a big enough NTFS partition, something with lots of files, so the run doesn't stop before the fun is done. CHKDSK may easily be one of those applications that reserves a huge amount of memory before it's needed because of potential failures if RAM is unavailable on short notice. But I can't speak to whether that's actually true or not. The application is just stupidly designed, but hey, that's just my opinion. Unless a machine has dropped to a "single-user" configuration, where you're absolutely sure about resource usage and what is safe, you shouldn't be doing that. It's not like the memory is used in an intelligent fashion. It's abusive, since the OS has a file system cache, which works perfectly well, and is transparent to other RAM requests (it backs off if there is any memory pressure at all). You could use the properties of the file system cache, get to use virtually all of the system memory for file caching, and still offer memory instantly to any other application running at the time that needs it. That preserves the responsiveness of the machine, under any circumstances. Why they insist on privately managing all of that "scratchpad" of memory, is beyond me. One user reported it used 15GB of 16GB or so, to give some idea how limitless it is. I couldn't test that high on my laptop, because I have less memory than that. I only researched the issue, and found a workaround, because people had complained about slow speeds. If you manage to use the x32 version of CHKDSK, it can't gulp down all the memory on a 16GB machine. That was the easiest fix I could find. Paul |
#12
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Configuring a mSATA mini SSD + 1 SSD + 1 HDD on a GA-Z77-D3H
In the last episode of , Paul
said: The application is just stupidly designed, but hey, that's just my opinion. Unless a machine has dropped to a "single-user" configuration, where you're absolutely sure about resource usage and what is safe, you shouldn't be doing that. It's not like the memory is used in an intelligent fashion. It's abusive, since the OS has a file system cache, which works perfectly well, and is transparent to other RAM requests (it backs off if there is any memory pressure at all). You could use the properties of the file system cache, get to use virtually all of the system memory for file caching, and still offer memory instantly to any other application running at the time that needs it. That preserves the responsiveness of the machine, under any circumstances. Why they insist on privately managing all of that "scratchpad" of memory, is beyond me. One user reported it used 15GB of 16GB or so, to give some idea how limitless it is. I couldn't test that high on my laptop, because I have less memory than that. Requesting a bunch of otherwise-unused RAM is perfectly safe and harmless with a properly configured pagefile since the pagefile will back the RAM allocation requests and RAM will only be assigned if needed. -- The nice thing about standards, there is enough for everyone to have their own. |
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