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Date:      Thu, 27 Jun 2002 02:59:29 -0500
From:      Len Conrad <LConrad@Go2France.com>
To:        freebsd-questions@freebsd.org
Subject:   ftp and mail much slower into fbsd 4.4 vs and old BSDi
Message-ID:  <5.1.0.14.2.20020627022836.0336d008@mail.Go2France.com>

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FreeBSD 4.4-RELEASE #0

CPU: Pentium III/Pentium III Xeon/Celeron (848.05-MHz 686-class CPU)

avail memory = 518156288 (506012K bytes)
tx0: <SMC EtherPower II 10/100> port 0x1000-0x10ff mem 
0xe8000000-0xe8000fff irq 10 at device 14.0 on pci0
qsphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
tx0: address 00:e0:29:24:17:80, type SMC9432TX
ahc0: <Adaptec 29160 Ultra160 SCSI adapter> port 0x1400-0x14ff mem 
0xe8001000-0xe8001fff irq 9 at device 16.0 on pci0
aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/255 SCBs
Mounting root from ufs:/dev/da0s1a
da0 at ahc0 bus 0 target 0 lun 0
da0: <SEAGATE ST318437LW 0105> Fixed Direct Access SCSI-3 device
da0: 160.000MB/s transfers (80.000MHz, offset 31, 16bit), Tagged Queueing 
Enabled

# pciconf -l
chip0@pci0:0:0:
pcib1@pci0:1:0:
isab0@pci0:7:0:
atapci0@pci0:7:1:
uhci0@pci0:7:2:
chip1@pci0:7:3:
tx0@pci0:14:0:
ahc0@pci0:16:0:
none0@pci1:0:0:

with a 190 mbyte file:

an ftp client pulling the file from fbsd is "blindingly fast"  (aka 
"immeasurably"  :))  )

ftp client sending to freebsd is 52 kbytes/sec

ftp client sending to another ftp server on the same LAN is 1.6 megabytes/sec

sending mail with a large attachment to the fbsd box is 100 kbytes/sec. 
(postfix is MTA)

the machine runs a apache, qpopper, postfix, ftp, bind9 for a small LAN all 
on the same segment.

dmesg and messages shows no errors.

netstat -bi  gives

Name  Mtu   Network       Address            Ipkts 
Ierrs     Ibytes    Opkts Oerrs     Obytes  Coll
tx0   1500  <Link#1>    00:e0:29:24:17:80  3171595   552  465267774 
4214806     0  720458428     0

yeah, we don't like the Ierrs of 552.  change the nic? change the 
driver?  or is this the "Reno" tcp/ip problem?

The new FBSD box replaces a BSDi on older hardware, with everybody on the 
LAN now noting that ftp of big files to and mail with big attachments to 
the new FBSD box are dramatically slower than the BSDi box.

Anybody have any idea how to speed up / fix the transfers to the fbsd box?

thanks
Len


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