Have you tried to use jumbo frames (MTU 9000) on both client and server? (If it is possible in your environment).
//mxb On 22 apr 2013, at 14:46, Mattieu Baptiste <mattie...@gmail.com> wrote: > Hi, > > I'm currently trying to access files from my OpenBSD -current/amd64 > workstation on a NAS under FreeNAS (8.3.1). On my workstation, the > filesystem is a read/write NFS mounted share. Its size is about 5.2TB. > While reading seems normal : about 45MB/s, writing is a lot slower > (fluctuates between 10MB/s and 20MB/s) before eventually stall (under > 1MB/s). Note that at the start, my box is totally unresponsive. When the > writes fall below 1MB/s, the box became responsive again. > > PF is disabled on my box and on both sides, I have em(4) interfaces > (autoneg at 1000 baseT). > > With CIFS shares, the NAS can do a lot more throughput : above 50MB/s > writes. > > I suspect problems with the OpenBSD NFS client since I saw problems like > that in the archive. Moreover, the behavior of my box which became > unresponsive when writing at 20MB/s seems strange. > > Any clues ? > > I'm sorry to not have more factual numbers... except the dmesg of my box. > The NAS isn't accessible to me all the time. I can provide more details in > the future. > > > OpenBSD 5.3-current (GENERIC.MP) #12: Mon Apr 15 15:18:44 CEST 2013 > matt...@kronenbourg.brimbelle.org:/usr/src/sys/arch/amd64/compile/ > GENERIC.MP > real mem = 8571518976 (8174MB) > avail mem = 8335634432 (7949MB) > mainbus0 at root > bios0 at mainbus0: SMBIOS rev. 2.6 @ 0xf0710 (68 entries) > bios0: vendor American Megatrends Inc. version "2003" date 12/14/2010 > bios0: ASUSTeK Computer INC. P7P55D > acpi0 at bios0: rev 2 > acpi0: sleep states S0 S1 S3 S4 S5 > acpi0: tables DSDT FACP APIC MCFG OEMB HPET DMAR ASPT OSFR > acpi0: wakeup devices P0P4(S4) BR1E(S4) UAR1(S4) PS2K(S4) PS2M(S4) EUSB(S4) > USB0(S4) USB1(S4) USB2(S4) USB3(S4) USBE(S4) USB4(S4) USB5(S4) USB6(S4) > BR21(S4) BR22(S4) BR23(S4) P0P1(S4) P0P3(S4) P0P5(S4) P0P6(S4) USB8(S4) > BR20(S4) BR24(S4) BR25(S4) BR26(S4) BR27(S4) > acpitimer0 at acpi0: 3579545 Hz, 24 bits > acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat > cpu0 at mainbus0: apid 0 (boot processor) > cpu0: Intel(R) Core(TM) i5 CPU 660 @ 3.33GHz, 3374.33 MHz > cpu0: > FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,POPCNT,AES,NXE,LONG,LAHF,PERF,ITSC > cpu0: 256KB 64b/line 8-way L2 cache > cpu0: smt 0, core 0, package 0 > cpu0: apic clock running at 160MHz > cpu1 at mainbus0: apid 4 (application processor) > cpu1: Intel(R) Core(TM) i5 CPU 660 @ 3.33GHz, 3373.90 MHz > cpu1: > FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,POPCNT,AES,NXE,LONG,LAHF,PERF,ITSC > cpu1: 256KB 64b/line 8-way L2 cache > cpu1: smt 0, core 2, package 0 > cpu2 at mainbus0: apid 1 (application processor) > cpu2: Intel(R) Core(TM) i5 CPU 660 @ 3.33GHz, 3373.90 MHz > cpu2: > FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,POPCNT,AES,NXE,LONG,LAHF,PERF,ITSC > cpu2: 256KB 64b/line 8-way L2 cache > cpu2: smt 1, core 0, package 0 > cpu3 at mainbus0: apid 5 (application processor) > cpu3: Intel(R) Core(TM) i5 CPU 660 @ 3.33GHz, 3373.90 MHz > cpu3: > FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,POPCNT,AES,NXE,LONG,LAHF,PERF,ITSC > cpu3: 256KB 64b/line 8-way L2 cache > cpu3: smt 1, core 2, package 0 > ioapic0 at mainbus0: apid 6 pa 0xfec00000, version 20, 24 pins > ioapic0: misconfigured as apic 1, remapped to apid 6 > acpimcfg0 at acpi0 addr 0xf8000000, bus 0-63 > acpihpet0 at acpi0: 14318179 Hz > acpiprt0 at acpi0: bus 0 (PCI0) > acpiprt1 at acpi0: bus 7 (BR1E) > acpiprt2 at acpi0: bus -1 (BR21) > acpiprt3 at acpi0: bus -1 (BR22) > acpiprt4 at acpi0: bus -1 (BR23) > acpiprt5 at acpi0: bus 1 (P0P1) > acpiprt6 at acpi0: bus -1 (P0P3) > acpiprt7 at acpi0: bus -1 (P0P5) > acpiprt8 at acpi0: bus -1 (P0P6) > acpiprt9 at acpi0: bus 6 (BR20) > acpiprt10 at acpi0: bus 5 (BR24) > acpiprt11 at acpi0: bus 4 (BR25) > acpiprt12 at acpi0: bus 3 (BR26) > acpiprt13 at acpi0: bus 2 (BR27) > acpiec0 at acpi0 > acpicpu0 at acpi0 > acpicpu1 at acpi0 > acpicpu2 at acpi0 > acpicpu3 at acpi0 > aibs0 at acpi0: GGRP GITM SITM > acpibtn0 at acpi0: PWRB > pci0 at mainbus0 bus 0 > pchb0 at pci0 dev 0 function 0 "Intel Core Host" rev 0x12 > ppb0 at pci0 dev 1 function 0 "Intel Core PCIE" rev 0x12: msi > pci1 at ppb0 bus 1 > vga1 at pci1 dev 0 function 0 "ATI Radeon HD 4670" rev 0x00 > radeondrm0 at vga1: apic 6 int 16 > drm0 at radeondrm0 > wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) > wsdisplay0: screen 1-5 added (80x25, vt100 emulation) > azalia0 at pci1 dev 0 function 1 "ATI Radeon HD 4000 HD Audio" rev 0x00: msi > azalia0: no supported codecs > ehci0 at pci0 dev 26 function 0 "Intel 3400 USB" rev 0x06: apic 6 int 16 > usb0 at ehci0: USB revision 2.0 > uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1 > azalia1 at pci0 dev 27 function 0 "Intel 3400 HD Audio" rev 0x06: msi > azalia1: codecs: VIA/0x4441 > audio0 at azalia1 > ppb1 at pci0 dev 28 function 0 "Intel 3400 PCIE" rev 0x06: msi > pci2 at ppb1 bus 6 > em0 at pci2 dev 0 function 0 "Intel PRO/1000 PT (82571EB)" rev 0x06: apic 6 > int 16, address 00:15:17:8a:8f:d2 > em1 at pci2 dev 0 function 1 "Intel PRO/1000 PT (82571EB)" rev 0x06: apic 6 > int 17, address 00:15:17:8a:8f:d3 > ppb2 at pci0 dev 28 function 4 "Intel 3400 PCIE" rev 0x06: msi > pci3 at ppb2 bus 5 > ppb3 at pci0 dev 28 function 5 "Intel 3400 PCIE" rev 0x06: msi > pci4 at ppb3 bus 4 > ppb4 at pci0 dev 28 function 6 "Intel 3400 PCIE" rev 0x06: msi > pci5 at ppb4 bus 3 > jmb0 at pci5 dev 0 function 0 "JMicron JMB363 IDE/SATA" rev 0x03 > ahci0 at jmb0: apic 6 int 18, AHCI 1.0 > scsibus0 at ahci0: 32 targets > sd0 at scsibus0 targ 1 lun 0: <ATA, SAMSUNG HD103UJ, 1AA0> SCSI3 0/direct > fixed naa.50000f00070c0776 > sd0: 953869MB, 512 bytes/sector, 1953525168 sectors > jmb1 at pci5 dev 0 function 1 "JMicron JMB363 IDE/SATA" rev 0x03 > pciide0 at jmb1: DMA, channel 0 wired to native-PCI, channel 1 wired to > native-PCI > pciide0: using apic 6 int 19 for native-PCI interrupt > atapiscsi0 at pciide0 channel 0 drive 0 > scsibus1 at atapiscsi0: 2 targets > cd0 at scsibus1 targ 0 lun 0: <PHILIPS, DVDR1628P1, Q1.1> ATAPI 5/cdrom > removable > cd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2 > pciide0: channel 1 disabled (no drives) > ppb5 at pci0 dev 28 function 7 "Intel 3400 PCIE" rev 0x06: msi > pci6 at ppb5 bus 2 > re0 at pci6 dev 0 function 0 "Realtek 8168" rev 0x03: RTL8168D/8111D > (0x2800), apic 6 int 19, address 48:5b:39:46:e1:d5 > rgephy0 at re0 phy 7: RTL8169S/8110S PHY, rev. 2 > ehci1 at pci0 dev 29 function 0 "Intel 3400 USB" rev 0x06: apic 6 int 23 > usb1 at ehci1: USB revision 2.0 > uhub1 at usb1 "Intel EHCI root hub" rev 2.00/1.00 addr 1 > ppb6 at pci0 dev 30 function 0 "Intel 82801BA Hub-to-PCI" rev 0xa6 > pci7 at ppb6 bus 7 > pcib0 at pci0 dev 31 function 0 "Intel P55 LPC" rev 0x06 > ahci1 at pci0 dev 31 function 2 "Intel 3400 AHCI" rev 0x06: msi, AHCI 1.3 > scsibus2 at ahci1: 32 targets > sd1 at scsibus2 targ 0 lun 0: <ATA, C300-CTFDDAC064M, 0007> SCSI3 0/direct > fixed naa.500a075102fbf57c > sd1: 61057MB, 512 bytes/sector, 125045424 sectors, thin > sd2 at scsibus2 targ 1 lun 0: <ATA, ST1000DM003-9YN1, CC4B> SCSI3 0/direct > fixed naa.5000c50051c256f3 > sd2: 953869MB, 512 bytes/sector, 1953525168 sectors > ichiic0 at pci0 dev 31 function 3 "Intel 3400 SMBus" rev 0x06: apic 6 int 18 > iic0 at ichiic0 > spdmem0 at iic0 addr 0x50: 2GB DDR3 SDRAM PC3-10600 > spdmem1 at iic0 addr 0x51: 2GB DDR3 SDRAM PC3-10600 > spdmem2 at iic0 addr 0x52: 2GB DDR3 SDRAM PC3-10600 > spdmem3 at iic0 addr 0x53: 2GB DDR3 SDRAM PC3-10600 > isa0 at pcib0 > isadma0 at isa0 > com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo > pckbc0 at isa0 port 0x60/5 > pckbd0 at pckbc0 (kbd slot) > pckbc0: using irq 1 for kbd slot > wskbd0 at pckbd0: console keyboard, using wsdisplay0 > pcppi0 at isa0 port 0x61 > spkr0 at pcppi0 > lm0 at isa0 port 0x290/8: W83627DHG > mtrr: Pentium Pro MTRR support > uhub2 at uhub0 port 1 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2 > uhub3 at uhub1 port 1 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2 > umass0 at uhub3 port 2 configuration 1 interface 0 "ASUS Ai Flash-4" rev > 2.00/0.02 addr 3 > umass0: using SCSI over Bulk-Only > scsibus3 at umass0: 2 targets, initiator 0 > sd3 at scsibus3 targ 1 lun 0: <ASUS, Ai Flash-4, PMAP> SCSI0 0/direct > removable > sd3: 58MB, 512 bytes/sector, 118784 sectors > sd4 at scsibus3 targ 1 lun 1: <ASUS, Ai Flash-4, PMAP> SCSI0 0/direct > removable > sd4: 1MB, 512 bytes/sector, 2880 sectors > uhub4 at uhub3 port 3 "Genesys Logic USB2.0 Hub" rev 2.00/32.98 addr 4 > uhidev0 at uhub3 port 7 configuration 1 interface 0 "Logitech USB-PS/2 > Optical Mouse" rev 2.00/22.00 addr 5 > uhidev0: iclass 3/1 > ums0 at uhidev0: 8 buttons, Z dir > wsmouse0 at ums0 mux 0 > uhidev1 at uhub3 port 8 configuration 1 interface 0 " wired keyboard" rev > 2.00/1.03 addr 6 > uhidev1: iclass 3/1 > ukbd0 at uhidev1: 8 variable keys, 6 key codes > wskbd1 at ukbd0 mux 1 > wskbd1: connecting to wsdisplay0 > uhidev2 at uhub3 port 8 configuration 1 interface 1 " wired keyboard" rev > 2.00/1.03 addr 6 > uhidev2: iclass 3/0, 2 report ids > uhid0 at uhidev2 reportid 1: input=2, output=0, feature=0 > uhid1 at uhidev2 reportid 2: input=1, output=0, feature=0 > vscsi0 at root > scsibus4 at vscsi0: 256 targets > softraid0 at root > scsibus5 at softraid0: 256 targets > sd5 at scsibus5 targ 1 lun 0: <OPENBSD, SR CRYPTO, 005> SCSI2 0/direct fixed > sd5: 953866MB, 512 bytes/sector, 1953519473 sectors > root on sd1a (ee0da2e4468aa658.a) swap on sd1b dump on sd1b > > > -- > Mattieu Baptiste > "/earth is 102% full ... please delete anyone you can."
