Μεγάλο load σε VPS και optimization

[V13]

On Tuesday 12 June 2007, Harris Kosmidhs wrote:
> Η ερώτησή μου είναι πώς μπορώ να ελέγξω τί τρώει τόσα resources ή σε
> ποια σημεία μπορεί να γίνει optimization.

  An prosekseis tha deis oti xrhsimopoieis 1.2GB swap kai exeis 400M free 
memory, 260M buffers kai 890M cached. Kanontas kapoies prakseis prokyptei oti 
exeis synoliko RSS peripoy 1.4GB, kati to opoio einai arketo. 

  Parola ayta, kanena apo ta processes poy trexeis den exei faei arketo xrono 
kai pragmati, den exeis megali katanalosi se CPU. Ayto poy prepei/mporeis na 
kaneis einai:

a) Des ta cummulative times sto top kai des an kapoio exei poly. An nai, tote 
ta paidia aytoy (ta opoia mporei na mhn yparxoyn pleon) exoyn kanei doyleia.

b) Des to I/O soy kai prosekse gia processes se 'D' katastasi, opos h python 
se ayto poy esteiles. Ena process poy den troei katholoy CPU alla einai 
monima se 'D' katastasi soy anebazei to load se 1.

  To oti exeis load peripoy 4 shmainei oti 4 processes theloyn na kanoyn kati 
alla perimenoyn to systima. Kata kanona to 'perimene' einai apo CPU h apo 
disko.

<<V13>>