Re: Poor Samba throughput on 6.0 RC1

From: Joao Barros <joao.barros_at_gmail.com>
Date: Wed, 26 Oct 2005 00:36:10 +0100
On 10/25/05, Robert Atkinson <phreaki_at_gmail.com> wrote:
> Maybe a longshot, but what is your cluster size?
The default block size of 16384 bytes, a fragment size of 2048 bytes
The ide drive has a NTFS partition which I mounted readonly and
copying files from there resulted with the same below expected
performance :(

>
>  I'd be interested to hear if same irq is being shared if that is enough bw?

I disabled the USB controller and the extra NIC to get more available
IRQs and tried using the amr on diferent pci slots with no change in
performance.

>
>  I've gotten better perf on that hardware with 6, so that's things i watch
> for.


Tipical 'systat -vm' when getting most bandwith (5.4MB/s):

    1 users    Load  0.21  0.20  0.08                  Oct 26 00:27

Mem:KB    REAL            VIRTUAL                     VN PAGER  SWAP PAGER
        Tot   Share      Tot    Share    Free         in  out     in  out
Act   11428    1340    44612     3552   10832 count
All  246032    3028 10261972     6828         pages
                                                                 Interrupts
Proc:r  p  d  s  w    Csw  Trp  Sys  Int  Sof  Flt        cow    3340 total
             24      7743      1535 5604   40       45836 wire   1001 0: clk
                                                    14108 act    2127 5: fxp0
15.6%Sys  10.9%Intr  0.8%User  0.0%Nice 72.7%Idl   176424 inact       6: fdc0
|    |    |    |    |    |    |    |    |    |      10184 cache   128 8: rtc
========+++++>                                        648 free        11: ahc
                                                          daefr       13: npx
Namei         Name-cache    Dir-cache                     prcfr       14: ata
    Calls     hits    %     hits    %                     react    84 15: amr
                                                        1 pdwake
                                          zfod       1229 pdpgs
Disks   ad0 amrd0   da0 pass0             ofod            intrn
KB/t   0.00   128  0.00  0.00             %slo-z    35152 buf
tps       0    42     0     0         993 tfree         3 dirtybuf
MB/s   0.00  5.25  0.00  0.00                       17453 desiredvnodes
% busy    0    14     0     0                         643 numvnodes
                                                      336 freevnodes


--
Joao Barros
Received on Tue Oct 25 2005 - 21:36:11 UTC

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