[LUGOS] ssh hitrost kopiranja

[Metod Kozelj]

Howdy!

Jure Pečar wrote:

> root at backup1:~# dd if=/dev/zero bs=1M count=1024 | ssh root at backup2 "cat > /dev/null"
> 1024+0 records in
> 1024+0 records out
> 1073741824 bytes (1.1 GB) copied, 211.312 seconds, 5.1 MB/s

[ snip ]

> Mašini sta namreč identični, dual core opterona z opensolarisom, vmes pa je
> 100mbit link z ipsecom.
>   

Glede na to, da niti brez kompresije scp ni sposoben kopiranja s 
hitrostjo žice, bi rekel, da je CPU vseeno vrat od flaše. Meni se zdi, 
da IPsec pokuri precej CPUja za šifriranje in ga bolj malo ostane za ssh.

Kaj pa pravi top med tem ko testiraš? Kateri procesi kurijo koliko CPUja?

-- 

Peace!
  Mkx

-- perl -e 'print $i=pack(c5,(41*2),sqrt(7056),(unpack(c,H)-2),oct(115),10);'
-- echo 16i[q]sa[ln0=aln100%Pln100/snlbx]sbA0D4D465452snlb xq | dc

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