https://community.hpe.com/t5/operating-system-linux/to-find-out-process-used-more-memory-in-current-time/m-p/2862999#M77880 Well you've got the Java processes there using quite a bit of memory, and just shy of 300MB of buffers (see the right-hand side).<BR /><BR />So long as the thing isn't swapping, I don't see a problem.<BR /><BR />the 'RSS' value is the value you should be looking at, but as this included the amount of shared memory and such for threaded applications, the calculations can get messy.<BR /><BR />You want to read up on 'man top' and 'man ps' about the memory columns there and how it calculates how much is actually in use.<BR /><BR />As it uses the numbers gathered from /proc/<PID>/statm in the calculations, it gets messy. You might also want to read through some of the kernel documentation regarding the PROC filesystem.</PID> Thu, 12 Dec 2002 23:09:22 GMT Stuart Browne 2002-12-12T23:09:22Z https://community.hpe.com/t5/operating-system-linux/to-find-out-process-used-more-memory-in-current-time/m-p/2862998#M77879 Hi all. <BR />I have redhat 7.1 <BR />[root@web log]# uname -r <BR />2.4.3-12smp box in my office <BR />then.. <BR />can I ask you sth.. <BR />I wonder if i can find out how much memory used process current time in Real time.. <BR /><BR />top would display <BR />some data but i post result of top that i ran <BR /><BR />but total mem about 2Gb, <BR />current mem used 1.95Gb <BR />free 102Mb <BR />cpu idles are free 100%, but <BR />memory is overload.. <BR />how can I pick it up the process that used most memory in real time.. <BR />any good hlep or tips or advice is fine <BR />thank you all Thu, 12 Dec 2002 08:56:19 GMT https://community.hpe.com/t5/operating-system-linux/to-find-out-process-used-more-memory-in-current-time/m-p/2862998#M77879 mw_4 2002-12-12T08:56:19Z https://community.hpe.com/t5/operating-system-linux/to-find-out-process-used-more-memory-in-current-time/m-p/2862999#M77880 Well you've got the Java processes there using quite a bit of memory, and just shy of 300MB of buffers (see the right-hand side).<BR /><BR />So long as the thing isn't swapping, I don't see a problem.<BR /><BR />the 'RSS' value is the value you should be looking at, but as this included the amount of shared memory and such for threaded applications, the calculations can get messy.<BR /><BR />You want to read up on 'man top' and 'man ps' about the memory columns there and how it calculates how much is actually in use.<BR /><BR />As it uses the numbers gathered from /proc/<PID>/statm in the calculations, it gets messy. You might also want to read through some of the kernel documentation regarding the PROC filesystem.</PID> Thu, 12 Dec 2002 23:09:22 GMT https://community.hpe.com/t5/operating-system-linux/to-find-out-process-used-more-memory-in-current-time/m-p/2862999#M77880 Stuart Browne 2002-12-12T23:09:22Z https://community.hpe.com/t5/operating-system-linux/to-find-out-process-used-more-memory-in-current-time/m-p/2863000#M77881 run top and then press M,<BR /><BR />it sorts all the processes based on memory usage<BR /> Thu, 19 Dec 2002 08:34:26 GMT https://community.hpe.com/t5/operating-system-linux/to-find-out-process-used-more-memory-in-current-time/m-p/2863000#M77881 Chakravarthi 2002-12-19T08:34:26Z