SPEC SFS 1 Baseline Summary

097.LADDIS (Volume 7, Issue 2, June 1995)

Digital Equipment Corporation

AlphaServer 2000 4/275

Throughput:

     NFS            Average       
     Throughput     NFS           
     SPECnfs_A93    Response Time 
     Ops/Sec        Milliseconds  
     -------------- ------------- 
     100            5.6
     201            5.9
     303            6.8
     404            7.6
     505            8.1
     605            8.3
     706            8.6
     807            9.1 
     906            9.4
     1005           9.8
     1109           10.3
     1209           10.7
     1311           11.1
     1413           12.2
     1514           14.0
     1619           15.7
     1719           18.5
     1735           20.7
     1760           22.0
     1775           23.9
     1798           26.0

SPEC SFS 1 Baseline Result:

   1798 SPECnfs_A93 Ops/Sec @ 26 msec ==> 180 SPECnfs_A93 Users

Server Hardware

CPU, Memory, & Power
Model Number:              AlphaServer 2000 4/275
CPU:                       CPU  275 MHz DECchip 21064A
# of CPUs:                 2 
Primary Cache:             16KBI+16KBD on chip 
Secondary Cache:           4MB(I+D) off chip
Other Cache:               None 
Memory:                    1GB
UPS:                       None 
Other hardware:            Prestoserve 

Server Software
OS Version:                DEC OSF/1 V3.2
Other Software:            OSF patch # OSF32_60
File System:               UFS 

Load Generators(LGs)
Number of Load Generators:    4 
Processes Per Load Generator: 6 
Biod_Max_Reads:               32 
Biod_Max_Writes:              32 

Disk Subsystem & Filesystems (Full Configuration Follows)
# of Disk Controllers:     5 
# of Disks:                25 
# of File Systems:         24 (F1-F24) 

Network Subsystem (Full Configuration Follows)
# of Net Controllers:      1 
# of Networks:             1 (N1) 
Type of Network:           FDDI 

Server Tuning (Also see Notes/Tuning below)
Buffer Cache Size:         Dynamic (UBC Cache) 
# of NFS Daemons:          32 
Fileset Size:              7.8GB 

Hardware Availability:      Nov-95
Software Availability:      Mar-95

License #:  2
Tested :    Sep-94
By:         Digital
Of:         Nashua, NH

Notes/Summary Of Tuning Parameters

bufcache: 10% (102 MB)
ubcbuffers: 1024
maxusers: 1024
ubc-maxdirtywrites: 100
prmetaonly: 1
vnode_age: 600
vnode_dealloc_enable: 0
ufs_disable_reada: 1
lad_sync: 1

Detailed Server Description

Network Subsystem
1 DEC FDDI Controller (DEFPA-AA) on the Server
 1 FDDI (N1): 4 LGs
1 DECconcentrator 500 (DEFCN-BC)

Disk Subsystem & Filesystems
1 On-board Adaptec 810 Controller:
 Controller 1: 1 RZ26L 1.05 GB disk -- OS and swap
3 Mylex SWXR (EISA) controllers:
 Controller 2: 6 RZ26L 1.05 GB disk (partition c) -- F1-F6
 Controller 3: 6 RZ26L 1.05 GB disk (partition c) -- F7-F12
 Controller 4: 6 RZ26L 1.05 GB disk (partition c) -- F12-F18
1 Mylex SWXR (PCI) controller:
 Controller 5: 6 RZ26L 1.05 GB disk (partition c) -- F19-F24
1 PCI Prestoserve Filesystem Accelerator
 Enabled for File systems F1-F24

Detailed Load Generator (LG) Description
 Load Gen. Type  Model                   # of CPUs  RAM    OS              Compiler
 LG1             DEC 3000 Model 600 AXP  1          64 MB  DEC OSF/1 V2.0  cc

Testbed Configuration
    Load Generator Load Generator         Target      
    Number         Type           Network Filesystems            Notes
    -------------- -------------- ------- ---------------------- ----------
    1              LG1            N1      F1,F7,F13,F19,F2,F8    Default
    2              LG1            N1      F14,F20,F3,F9,F15,F21  Default
    3              LG1            N1      F4,F10,F16,F22,F5,F11  Default
    4              LG1            N1      F17,F23,F6,F12,F18,F24 Default