Hi, Thanks for the suggestion...could you let us know the significance of inact_dirty pages /proc/meminfo and inact_dirty pages to get detailed memory usage IF inact_dirty pages is low does it mean my system is optimally using RAm and may be coming under pressure ?? Thnaks and regards On 3/6/06, Tolga Evren <tolgae@xxxxxxxxxxx> wrote: > > Hi, > > This is normal behaviour. Linux tries to use all available memory as > cache. Whenever free memory is > needed ,the os uses the memory which is reported as free . > > try to use : > > sar -B to see whether page-in or out is happening > > sar -W to see swapping activity > > /proc/meminfo and inact_dirty pages to get detailed memory usage > > sar -r : to see swap , cache usage. > > Regards, > tolga > > > > ________________________________ > > From: redhat-list-bounces@xxxxxxxxxx on behalf of mac subbu > Sent: Sun 3/5/2006 3:48 AM > To: redhat-list@xxxxxxxxxx > Subject: Red HAT AS3 memory issues > > > > HI, > > We have a linux AS3 on a server with 4 GB RAM > > At any point of time my Free -m Gives total of 4000 mb and used of 3900 > and free 10 mb but my buffers/cache used is hardly 1000 mb and 3000 mb > free > > Whereas > > the top always gives > > mem used 4000 mb avg and used 3972 > > Going by bufffers/cache i shudnt be having memory issues BUT our server is > monitored and keeps throwing above 80% memory utilisation all the time > > > why is there a discrepancy between TOP and FREE and which shud be used > more definitely for memory analysis > > and why do we get over 80% used all the time when buffers/cache is low all > times > > Any pointers would be appreciated > > regards > -- > redhat-list mailing list > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=subscribe > https://www.redhat.com/mailman/listinfo/redhat-list > > > -- > redhat-list mailing list > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subjectunsubscribe > https://www.redhat.com/mailman/listinfo/redhat-list > -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subjecthttps://www.redhat.com/mailman/listinfo/redhat-list