Re: Poor Samba throughput on 6.0 RC1

From: Joao Barros <joao.barros_at_gmail.com>
Date: Wed, 26 Oct 2005 09:51:58 +0100
On 10/26/05, Mike Tancsa <mike_at_sentex.net> wrote:
> At 07:36 PM 25/10/2005, Joao Barros wrote:
>
> >Tipical 'systat -vm' when getting most bandwith (5.4MB/s):
>
>
> On my home box (2Ghz celeron) doing an xcopy to a share on a plain
> old IDE drive
>
>        tty             ad0            twed0              da1             cpu
>   tin tout  KB/t tps  MB/s   KB/t tps  MB/s   KB/t tps  MB/s  us ni sy in id
>     0   78 128.00  74  9.24   0.00   0  0.00   0.00   0  0.00   2  0 20 44 34
>     0  232 128.00  75  9.37   0.00   0  0.00   0.00   0  0.00   1  0 15 46 38
>     0   78 126.53  76  9.38   0.00   0  0.00   0.00   0  0.00   2  0 13 32 53
>     0   78 128.00  74  9.24   0.00   0  0.00   0.00   0  0.00   4  0 27 37 31
>
> This is just fastE on a realtek.

How many Interrupts is that generating on the realtek?
I'm seeing 2127 interrupts on my fxp0 and I believe it to be too much.
I'm going to capture some traffic in order to see the packet size and rate.

>
> Oddly enough, reading is not quite as fast, but close enough.  It
> might be my fragmented laptop drive cant write out very fast
>
>
>     0   77 88.73  11  0.95   0.00   0  0.00   0.00   0  0.00   0  0  0  5 95
>     0   77 128.00  69  8.61   0.00   0  0.00   0.00   0  0.00   4  0 11 35 50
>     0   78 128.00  72  8.99   0.00   0  0.00   0.00   0  0.00   0  0 15 34 51
>     0   78 128.00  72  8.99   0.00   0  0.00   0.00   0  0.00   3  0 11 33 53
>     0   78 121.23  70  8.28   0.00   0  0.00   0.00   0  0.00   3  0 17 32 49
>     0   78 128.00  70  8.74   0.00   0  0.00   0.00   0  0.00   2  0 11 34 53
>     0   78 128.00  72  8.99   0.00   0  0.00   0.00   0  0.00   1  0 13 35 52
>     0   78 128.00  72  8.99   0.00   0  0.00   0.00   0  0.00   3  0 17 32 48
>     0   78 126.38  69  8.50   0.00   0  0.00   0.00   0  0.00   1  0 10 37 53
>     0   78 128.00  71  8.86   0.00   0  0.00   0.00   0  0.00   4  0 13 29 54
>     0   78 128.00  72  8.99   0.00   0  0.00   0.00   0  0.00   1  0 12 37 50
>     0   78 126.42  71  8.76   0.00   0  0.00   0.00   0  0.00   2  0 14 33 52
>     0   78 128.00  68  8.49   0.00   0  0.00   0.00   0  0.00   2  0 16 32 50
>     0   78 121.60  70  8.30   0.00   0  0.00   0.00   0  0.00   1  0 11 35 53
>
>          ---Mike
>
>


--
Joao Barros
Received on Wed Oct 26 2005 - 06:52:00 UTC

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