SPEC SFS 1 Baseline Summary

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

Sun Microsystems, Inc.

SPARCstation/server 20 Model 712

Throughput:

     NFS            Average       
     Throughput     NFS           
     SPECnfs_A93    Response Time 
     Ops/Sec        Milliseconds  
     -------------- ------------- 
     159            15.3
     316            18.1
     479            21.4
     637            22.8
     801            24.4
     964            27.7
     1124           30.6
     1289           35.1
     1445           47.0
     1501           49.9

SPEC SFS 1 Baseline Result:

   1501 SPECnfs_A93 Ops/Sec @ 49.9 msec ==> 150 SPECnfs_A93 Users

Server Hardware

CPU, Memory, & Power
Model Number:               SPARCstation/server 20 Model 712
File Processor:             75MHz SuperSPARC II
Number of FPs:              2
Metadata Cache:             20KBI+16KBD on chip
Other Cache:                1MB(I+D) off chip
Host Processor:             None
Memory:                     128MB
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:     16
Processes Per Load Generator:  4
Biod_Max_Reads:                2
Biod_Max_Writes:               2

Disk Subsystem & Filesystems (Full Configuration Follows)
# of Disk Controllers:      8
# of Disks:                 34
# of File Systems:          35

Network Subsystem (Full Configuration Follows)
# of Net Controllers:       2
# of Networks:              8
Type of Network:            Ethernet

Server Tuning (Also see Notes/Tuning below)
Buffer Cache Size:          Dynamic
# of NFS Daemons:           64
Fileset Size:               8.6GB

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)
    8 Etnernets(N01-N08): 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 01-05, F01-F05
ctl 03(OM1/HA2): Disks 06-10, F06-F10
ctl 04(OM1/HA3): Disks 11-15, F11-F15 
ctl 05(OM1/HA4): Disks 16-20, F16-F20
ctl 06(OM1/HA5): Disks 21-25, F21-F25
ctl 07(OM1/HA6): Disks 26-30, F26-F30
Controller 08:  FSBE Ethernet/SCSI Controller
    Disk:  2 Sun 1.05GB disks, Disks 31-32, F31-32

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
       -------------- -------------- ------- --------------- -------------
       01/09          LG2/LG1        N01/N05 F01,F06,F11,F16 Default
       02/10          LG1/LG1        N01/N05 F21,F26,F02,F07 Default
       03/11          LG1/LG1        N02/N06 F12,F17,F22,F27 Default
       04/12          LG1/LG1        N02/N06 F03,F08,F13,F18 Default
       05/13          LG1/LG1        N03/N07 F23,F28,F04,F09 Default
       06/14          LG1/LG1        N03/N07 F14,F19,F24,F29 Default
       07/15          LG1/LG1        N04/N08 F05,F10,F15,F20 Default
       08/16          LG1/LG1        N04/N08 F25,F30,F31,F32 Default