[root@antares test4]# date
ven aoû 11 10:50:10 CEST 2006

[root@antares test4]# cat /proc/memeinfo
MemTotal:       515032 kB
MemFree:          7756 kB
Buffers:          1348 kB
Cached:         376276 kB
SwapCached:      14852 kB
Active:          38408 kB
Inactive:       374000 kB
SwapTotal:     1116428 kB
SwapFree:       967164 kB
Dirty:              64 kB
Writeback:           0 kB
AnonPages:       30164 kB
Mapped:           7028 kB
Slab:            84120 kB
PageTables:       1956 kB
NFS Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   1373944 kB
Committed_AS:   493124 kB
VmallocTotal:   515796 kB
VmallocUsed:      6860 kB
VmallocChunk:   508788 kB

[root@antares test4]# echo 3 > /proc/sys/vm/drop_caches 

[root@antares test4]# cat /proc/meminfo
MemTotal:       515032 kB
MemFree:          6000 kB
Buffers:          1336 kB
Cached:         380164 kB
SwapCached:      12680 kB
Active:          40532 kB
Inactive:       373024 kB
SwapTotal:     1116428 kB
SwapFree:       964720 kB
Dirty:              12 kB
Writeback:           0 kB
AnonPages:       31600 kB
Mapped:           7676 kB
Slab:            84016 kB
PageTables:       1960 kB
NFS Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   1373944 kB
Committed_AS:   493132 kB
VmallocTotal:   515796 kB
VmallocUsed:      6860 kB
VmallocChunk:   508788 kB

[root@antares test4]# date
ven aoû 11 10:50:56 CEST 2006

[root@antares test4]# vmstat 3
procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in    cs us sy id wa
 0  7 162140   5848   1572 390100   85  127  2205   213  418   514  9  8 22 61
 0  4 162084  16916   1428 380376  481    0  5819     8  490   388  1  5  0 95
 0  2 162084   5292   1588 386112 2135    0  4054    53  524   494  1  2  0 98
 0  1 162832  11388   1372 375764 1424  497  1963   540  462   395  1  3  0 96