Date: Thu, 30 Sep 2010 10:10:13 +0400 From: Sergey Kandaurov <pluknet@gmail.com> To: Ryan Stone <rysto32@gmail.com> Cc: attilio@freebsd.org, FreeBSD Current <current@freebsd.org> Subject: Re: [PATCH] Netdump for review and testing -- preliminary version Message-ID: <AANLkTimNakivzwG8j=vB6TxevOtznanFT7XXUp2OZG2U@mail.gmail.com> In-Reply-To: <AANLkTi=cBZWVtQFbEyBdBxhysYW7tXsL_bdi7dNSmGgY@mail.gmail.com> References: <AANLkTikA5OUYD1A9pqCqVEZ5qk%2BVECq8x-fnRXnpp0KE@mail.gmail.com> <AANLkTinpvSS7%2B=QKyvOpMjPLaTKi%2BYueOi0dK1wzQTWZ@mail.gmail.com> <AANLkTikcSYY_3jT8sMJHRSn%2BxWh5fuPK3wide0JRd=7p@mail.gmail.com> <AANLkTi=cBZWVtQFbEyBdBxhysYW7tXsL_bdi7dNSmGgY@mail.gmail.com>
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> From: Ryan Stone <rysto32@gmail.com>
> Date: Wed, Sep 29, 2010 at 11:32 AM
> Subject: Re: [PATCH] Netdump for review and testing -- preliminary version
> To: Sergey Kandaurov <pluknet@gmail.com>
>
>
>> db> netdump
>>
>> -----------------------------------
>> netdump in progress. searching for server.. . . . . . . . . . . .
>> Failed to contact netdump server
>
> This can be fixed by putting:
>
> nd_server_port = NETDUMP_PORT;
>
> At the beginning of netdump_trigger.
Hi.
Thank you, that helped fixing it.
2nd and further netdumps work now.
Some more numbers below
[hosts are on diff. switches connected
with STP on same 1Gb MTU1500 LAN]
packets errs bytes packets errs bytes colls
[avg:]
3488 0 4109874 4002 0 704800 0
[at the end:]
3484 0 4076816 3989 0 680710 0
3510 0 4086756 4066 0 712280 0
3552 0 4136112 4107 0 714790 0
3459 0 4059238 3995 0 681966 0
3499 0 4077516 4037 0 709734 0
3423 0 4004157 3936 0 678816 0
13898 0 19118779 14018 0 2062568 0
22206 0 31680314 21451 0 2959042 0
22410 0 32086046 21710 0 2854724 0
22231 0 31747238 21489 0 2899306 0
input (bce0) output
packets errs bytes packets errs bytes colls
18490 0 26180288 17757 0 2729082 0
336 0 24674 90 0 622960 0
6 0 1148 1 0 178 0
1687470 packets captured
2274879 packets received by filter
65676 packets dropped by kernel
It shows 30Mbps in average with up to 224 Mbps at the end.
The traffic picture is 1472 bytes UDP payload, and 4 bytes ack.
It took slightly less then 5 mins to netdump 1146 MB.
--
wbr,
pluknet
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