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[Antonis Sidiropoulos]

Mia pou efere i koubenta prin sxetika me to top:
Ti akribws einai to cached memory kai buffered memory pou dixnei?

Ypothetw oti to cache einai h klasiki cache tou file system
kai to buffered einai to synolo twn buffers pou exoun oi diafores 
processes (pou prokyptoun apo printf kai tetoia, pou pernoun apo buffer).

Mexri edw kala.
To parakatw output apo to top to briskw fysiologiko:

 16:40:57  up 21:19,  6 users,  load average: 0.37, 0.57, 0.60
110 processes: 105 sleeping, 5 running, 0 zombie, 0 stopped
CPU states:   7.3% user  30.6% system   0.0% nice   0.0% iowait  62.0% idle
Mem:   772328k av,  760764k used,   11564k free,       0k shrd,   
*36840k buff*
                    437320k actv,      12k in_d,   12604k in_c
Swap: 1020092k av,   47092k used,  973000k free                  404496k 
cached


Se ena allo omws mixanaki me 2 CPUs, koitakste:
  4:42pm  up 1 day,  2:12,  4 users,  load average: 0.07, 0.04, 0.01
85 processes: 83 sleeping, 1 running, 1 zombie, 0 stopped
CPU states:  0.1% user,  1.2% system,  0.0% nice, 98.5% idle
Mem:  776728K av, 744988K used,  31740K free,  30936K shrd, *410828K buff*
Swap: 1004020K av,   6008K used, 998012K free                185044K cached

410MB buffered.... Poso fysiologiko einai auto re paidia?
kai malista se katastasi ousiastika ypnou, xwris na trexei kati sobaro, 
ektos apo
ena http,mysql kai sendmail ...

Ektos kai an to buff, simainei kati allo apo auto pou anefera prin.


A.