clearing cache?

Tue May 10 09:36:40 UTC 2005

hi,

my system is crawling.. i think my culprit is my memory.. i was wondering if i can lower cache manually..

based on free 

             total       used       free     shared    buffers     cached
Mem:       1030216    1020576       9640          0      31840 4294953828
-/+ buffers/cache: 18014394215516892 4294995308
Swap:      2048248     654612    1393636

based on top

Mem:  1030216k av, 1019500k used,   10716k free,       0k shrd,   32236k buff
                     87276k actv,   23056k in_d,   10736k in_c
Swap: 2048248k av,  660076k used, 1388172k free                 4294962216k cached

hmm i dont think its normal... 

tia,
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