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I have Apache +Mysql+ PHP installed on 4G memory server which serve around 20000 visits per day. The following graph shows the memory utilization for one day. As you can see from the graph: the free memory is low (e.g 155 M) and the cached memory is high...
Started by usef_ksa on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at serverfault):
Having memory in your system that does nothing is silly when it could be doing something useful like speed up access to your....
This is generally a good thing, and normal.
Cached memory is memory used by the kernel for caching files.
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I'm loading some fairly big data sets in to firefox (500 k or so) and drawing tables with them. Firefox is using up to 400 megs of memory. How can I tell if Firefox is leaking memory, or is just using a lot of memory just because it can?
Is there another...
Started by morgancodes on
, 6 posts
by 6 people.
Answer Snippets (Read the full thread at stackoverflow):
It is my opinion that Firefox requires far....
If it is leaking memory, then the mem usage (number of K) in your Windows task manager.
There is a setting you can set in firefox that forces it to free as much memory as it can Restart FireFox.
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Note: I am aware of the question Memory management in memory intensive application , however that question appears to be about applications that make frequent memory allocations, whereas my question is about applications intentionally designed to consume...
Started by Kragen on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Check this - http://linux-mm.org/OOM_Killer
In think windows might....
0 - 30% - no swapping 30(Out of memory) killer and kill the process consuming maximum memory.
In linux, the memory usage percentage is divided into following levels.
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If you are developing a memory intensive application in C++ on Windows, do you opt to write your own custom memory manager to allocate memory from virtual address space or do you allow CRT to take control and do the memory management for you ? I am especially...
Started by Naveen on
, 9 posts
by 9 people.
Answer Snippets (Read the full thread at stackoverflow):
There's a good chance that your code of that, than there is of you getting... .
CRT, core OS, and STL guys spend a lot of time thinking about memory management.
Is fragmenting memory in a way that damages the performance of your application.
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If I have a system with a single level paging memory manager ( without TLB).. How much time is needed for this system to access the memory ? I've been reading twice as long without the memory manager .. Is this true ? If not how long without a memory ...
Started by Avon on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at superuser):
If you're using an MMU, each memory access has to look up the mapping from virtual....
The paging memory manager works, what the settings are, and what system components it is being used it yourself with and without the memory manager.
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I have a process that uses a lot of memory mapped files.
Problem is that those files are kept in physical memory, even when the machine is low on memory, and other processes require this memory.
I've tried using SetProcessWorkingSetSize to limit the process...
Started by Meidan Alon on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
If you find that your....
Cheers.
Have a look the blog!)
Here's the MSDN documentation for memory mapped files and here's another SO question relating to MMF.
I think this behaviour is due to how MMF (Memory Mapped Files) work.
Hi there.
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So I'd like to let read D read this memory location and do some work on it. Any thoughts? Is writing a debugger extension the only way - if so, any recommendations?
I considered executing a memory dump to file (still don't know how, AFAIK I can only view...
Started by Jacob on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
If you need....
Since you're apparently using Windows, the way for one process to look at another process' memory well short of writing a debugger.
You should use ReadProcessMemory function.
It is possible to read memory of another process.
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How to display iPhone free memory in a UILabel ?
and I would like to ask, how to free up memory using iPhone SDK?
FYI, I'm using iPhone SDK 3.1.2 with xcode 3.2.1 (Mac OS X Snow Leopard).
Started by Shivan Raptor on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
You can allocate increasingly-large blocks of memory until you receive -didReceiveMemoryWarning....
That said, there are some tricks you can use.
You can free up memory by calling "release" on objects you've allocated after you're done with them.
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Hi all,
I am newbie in windows driver development. I just want to know , a global variable in a driver will use paged pool memory or non paged pool memory ?
Thanks and Regards
Navaneeth
Started by Navaneeth on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
See extension (when you call IoCreateDevice....
The Non paged pool should be reserved for memory that must stay in RAM so if you are doing something critical that would affected by a memory page from disk operation then use non paged.
Depends.
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Will "Out of Memory Exception" thrown in a Virtualization OS Make the VirtualBox Out of Memory Also?
I have a Windows XP image, and I am using Sun VirtualBox.
Recently the host machine seems to be running out of memory all the time, I suspect that one of the applications in the image OS is bringing the host machine down by consuming too much memory, ...
Started by Ngu Soon Hui on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at superuser):
Then ....
There are 2 places to look at:
The Performance tab will give you the whole picture, so check if the entire memory is used to Memory - Working Set and OK.
Use Task Manager to see whether some process is using too much memory.
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