2009/6/30 ESGLinux <esggrupos@xxxxxxxxx>: > Well, > Now I get the info with sar comes the problem to understand the results. > > Allways I try to see the real used memory in linux I have the same problem, > it seems that it´s using ALL the memory. > > with sar -r: > kbmemfree kbmemused %memused kbbuffers kbcached kbswpfree > kbswpused %swpused kbswpcad > 12:55:01 408540 3740728 90,15 391560 1191012 > 4096200 332 0,01 48 > > my system has 4GB and it looks it has 3,7G in use, but I don´t think it´s > true. > > with the free -m command: > > free -m > total used free shared buffers > cached > Mem: 4052 3705 346 0 384 1217 > -/+ buffers/cache: 2103 1948 > Swap: 4000 0 4000 > > the result is the same, but I have heard that the real free memory is the > in the colum free in the -/+ buffers/cache, is it true? > > with vmstat as Manuel suggests: > > vmstat -s -S m > 4248 m total memory > 3907 m used memory > 2992 m active memory > 738 m inactive memory > 341 m free memory > 404 m buffer memory > 1289 m swap cache > 4194 m total swap > 0 m used swap > 4194 m free swap > .... > > what is command I get other results > > so how many memory are free on my system :-( ? > Usually, all the commands take the information from: /proc/meminfo (you can 'cat' it) I suggest the read of http://virtualthreads.blogspot.com/2006/02/understanding-memory-usage-on-linux.html Hope this helps. -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
