> -----Original Message----- > From: redhat-list-bounces@xxxxxxxxxx > [mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of Eris Caffee > Sent: Friday, August 12, 2005 11:17 AM > To: General Red Hat Linux discussion list > Subject: Re: Used Memory Not Clearing Down On Redhat Machines. > > > 15:20:33 up 14 days, 2:16, 1 user, load average: 0.00, > 0.00, 0.00 > > 49 processes: 48 sleeping, 1 running, 0 zombie, 0 stopped > > CPU states: cpu user nice system irq softirq > iowait idle > > total 0.8% 0.0% 0.2% 0.0% 0.6% > 0.0% 198.4% > > cpu00 0.0% 0.0% 0.0% 0.0% 0.0% > 0.0% 100.0% > > cpu01 0.8% 0.0% 0.2% 0.0% 0.6% > 0.0% 98.4% > > Mem: 3599032k av, 2926964k used, 672068k free, 0k > shrd, 82052k > > buff > > 469844k actv, 1731916k in_d, 54940k in_c > > Swap: 2044072k av, 0k used, 2044072k free > 2614264k > > cached > > You have an awful lot of memory in the in_d state. That is > "Inactive Dirty". There's a description of it and the other > memory states (for 2.4 kernels at least) here: > http://www.redhat.com/magazine/001nov04/features/vm/ > Pages in the inactive dirty state ought to be getting flushed > out to disk, but it looks like this isn't happening. > > I'm no kernel expert, but it seems to me that something is > causing the kernel not to properly launder the inactive dirty > memory. This could be a kernel bug, so if you are sure you > don't have any hung processes that could be holding the > memory open, you should check to see if there is a newer > kernel available for your system. > > Of course, you should also double check to make sure there > really isn't some process from the analysis job still running > and holding all of this memory open. > > Eris Caffee > > > -- > redhat-list mailing list > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > https://www.redhat.com/mailman/listinfo/redhat-list > > I did some investigation with RH EL4 and it looks like this memory problem is addressed with 2.6.x line of kernel. I am currently compiling 2.6.13 manually on my EL3 to see the results. I will keep you posted. Albert Smith Sr. Unix Systems Administrator HPCSA, RHCT Genex Services 440 E. Swedesford Rd. Wayne, PA 19087 albert.smith@xxxxxxxxxxxxxxxxx (610) 964-5154 -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
