Are there any reference sI can use to learn about the memory usage of memory in my cluster deployment? I'm kinda stuck with these memory things.
I know the general idea of swap is the same as page file in windows, but how does the cluster use the memory is a question of it self for me. Thank you Richard A life without knowing anything is not a life at all. Live your life with your own decision so you will never regret what you have done when you look back. --- On Tue, 7/1/08, Klaus Steden <[EMAIL PROTECTED]> wrote: > From: Klaus Steden <[EMAIL PROTECTED]> > Subject: Re: [Ganglia-general] memory swap > To: [EMAIL PROTECTED], [email protected] > Date: Tuesday, July 1, 2008, 1:35 AM > Hi there, > > Swapped memory indicates sections of memory that have been > paged out > (swapped) of core and into disk. Essentially, a running > system only has so > much room in physical memory (RAM) in which to run things; > when the total > memory requirements of the tasks running on the system > exceed the maximum > size of physical memory, the OS will write out sections of > memory to disk > for applications that are sleeping in order to free up > sections of RAM that > running applications need. It is essential that this > process does not happen > too frequently, as the OS will spend too much time swapping > memory and not > enough time running jobs, a condition known as > 'thrashing'. If your system > has a tendency to trash, it's a good sign it needs more > RAM. > > There are ways to identify swapped memory, but the details > vary by OS. The > 'top' program will give you a realtime report of > memory usage, including > swap; Ganglia also tracks this variable, and /proc/swaps on > Linux will > provide info about swap as well. > > hth, > Klaus > > On 6/29/08 8:04 AM, "richard pan" > <[EMAIL PROTECTED]>did etch on stone > tablets: > > > Hi, I'm a new in a cluster computing and found > some basic problem. Hopefully > > my questions are not too dummy for you guys. > > > > What's the meaning of memory swapped and is there > a way that I can count it? > > > > Thank you > > > > A life without knowing anything is not a life at all. > > > > Live your life with your own decision so you will > never regret what you have > > done when you look back. > > > > > > > > > > > ------------------------------------------------------------------------- > > Check out the new SourceForge.net Marketplace. > > It's the best place to buy or sell services for > > just about anything Open Source. > > http://sourceforge.net/services/buy/index.php > > _______________________________________________ > > Ganglia-general mailing list > > [email protected] > > > https://lists.sourceforge.net/lists/listinfo/ganglia-general ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://sourceforge.net/services/buy/index.php _______________________________________________ Ganglia-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ganglia-general
