SPEC SFS 1 Baseline Summary

097.LADDIS (Volume 7, Issue 1, March 1995)

Sun Microsystems, Inc.


SPARCstation/server 20 Model 71
Throughput: 

     NFS             Average       
     Throughput      NFS           
     SPECnfs_A93     Response Time 
     Ops/Sec         Milliseconds  
     --------------- ------------- 
     99              15.9
     197             18.7
     300             21.9
     399             23.1
     501             24.9
     599             27.8
     702             30.5
     806             33.8
     908             39.1
     1005            43.6
     1026            48.0
SPEC SFS 1 Baseline Result: 
   1026 SPECnfs_A93 Ops/Sec @ 48 msec ==> 103 SPECnfs_A93 Users

Server Hardware 
CPU, Memory, & Power

Model Number:               SPARCstation/server 20 Model 71

CPU:                        75MHz SuperSPARC II

Number of CPUs:             1

Primary Cache:              20KBI+16KBD on chip

Secondary Cache:            1MB(I+D) off chip

Other Cache:                None

Memory:                     64MB

UPS:                        None

Other Hardware:             Ethernet



Server Software

OS Version:                 Solaris 2.4

Other Software:             None

File System:                UFS



Load Generators(LGs)

Number of Load Generators:     10

Processes Per Load Generator:  4

Biod_Max_Reads:                2

Biod_Max_Writes:               2



Disk Subsystem & Filesystems (Full Configuration Follows)

# of Disk Controllers:      7

# of Disks:                 22

# of File Systems:          23



Network Subsystem (Full Configuration Follows)

# of Net Controllers:       2

# of Networks:              5

Type of Network:            Ethernet



Server Tuning (Also see Notes/Tuning below)

Buffer Cache Size:          Dynamic

# of NFS Daemons:           64

Fileset Size:               6.5GB



Hardware Availability:      Feb-95

Software Availability:      Oct-94



License #:  6

Tested :    Nov-94

By:         Sun

Of:         Mountain View, CA
Notes/Summary Of Tuning Parameters 
The adb tool was used to enable UDP checksumming on the load generators.

adb -w /vmunix /dev/kmem

udp_cksum/W 1

udp_cksum?W 1

UDP checksums are enabled by default on the server running Solaris 2.x



maxusers=32         ufs_ninode=48000

ncsize=48000        bufhwm=24000

autoup=600          tune_t_fsflushr=600
Detailed Server Description 
Network Subsystem

2 Sbus Quad Ethernet Controller (SQEC)

    5 Etnernets(N01-N05): 2 LGs each



Disk Subsystem & Filesystems

Controller 01:  FSBE Ethernet/SCSI Controller

    Disk:  Sun 535MB    Contents:  OS, swap



SPARCstorage Array=SSA, Fibre Channel SBus Card=FC25/S, 

    Fibre Channel Optical Module=FC25/OM

SSA #1: 20 Sun 1.05GB disks, 1 FC25/S, 1 FC25/OM and

     6 SCSI-2 Host Adapter (HA) within SSA

ctl 02(OM1/HA1): Disks 01-04, F01-F04  ctl 03(OM1/HA2): Disks 05-08, F05-F08

ctl 04(OM1/HA3): Disks 09-11, F09-F11  ctl 05(OM1/HA4): Disks 12-14, F12-F14

ctl 06(OM1/HA5): Disks 15-17, F15-F17  ctl 07(OM1/HA6): Disks 18-20, F18-F20



Detailed Load Generator (LG) Description

Load Gen. Type   Model               # of CPUs  RAM   OS          Compiler

LG1              SPARCstation 2      1          32MB  SunOS4.1.3  /bin/cc

LG2              SPARCstation 10/40  1          48MB  SunOS4.1.3  /bin/cc



Testbed Configuration

       Load Generator Load Generator         Target      
       Number         Type           Network Filesystems     Notes
       -------------- -------------- ------- --------------- -------------
       01/06          LG2/LG1        N01/N03 F01,F05,F09,F12 Default
       02/07          LG1/LG1        N01/N04 F15,F18,F02,F06 Default
       03/08          LG1/LG1        N02/N04 F10,F13,F16,F19 Default
       04/09          LG1/LG1        N02/N05 F03,F07,F11,F14 Default
       05/10          LG1/LG1        N03/N05 F17,F20,F04,F08 Default
Questions? Concerns? Send mail to utpds@cs.utk.edu