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Network latency. Sarge vs Etch.







   Hi, everybody!

I have recently installed etch to upgrade my fileserver running sarge. The point is that I noticed a network latency problem, that I initially considered unimportant. This latency became a real problem with one of our applications which stores its data in a samba share with over 29000 files about 1k-40k and it is so much slower now.

I've made this rudimentary test, and old server is quite faster. I'm pretty sure that if I can tune up this it would improve this application performance

felipe@nils:~$ ping -i 0.2 fast_server  --- fast_server ping statistics ---
2156 packets transmitted, 2156 received, 0% packet loss, time 431208ms
rtt min/avg/max/mdev = 0.135/0.171/0.245/0.018 ms

felipe@nils:~$ ping -i 0.2 slow_server
--- slow_server ping statistics ---
2146 packets transmitted, 2146 received, 0% packet loss, time 429165ms
rtt min/avg/max/mdev = 0.152/0.179/0.333/0.021 ms

Summary:
Hardware: old server: 4 year old HP DL server with RAID 5
          new server: brand-new HP DL server with RAID 5

Os: old server, sarge
    new server, etch

Samba version: old server, 3.0.14a-3sarge2
               new server, 3.0.24-6etch4

Kernel: old server, 2.6.8
        new server, 2.6.18-4-686.

Thanks in advance

--
==============================
Felipe Martínez Hermo
felipe@galicia.ugt.org
fmartinez@galicia.ugt.org
==============================
Servicios Informáticos
UGT Galicia
informatica@galicia.ugt.org
ugtgalicia@gmail.com
==============================




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