SPECweb99 Result

Dell:	PowerEdge 2500
Red Hat:	TUX 2.0

SPECweb99 = 3435

Performance

Iteration

Conforming Simultaneous Connections

1	3435
2	3435
3	3435
Median	3435

Configuration

Availability Dates
All Hardware	Aug-2001
HTTP Software	Apr-2001
Operating System	Apr-2001
Supplemental System	Jun-2001

Hardware

Vendor Dell

Model PowerEdge 2500

Processor 1.13GHz Pentium III

# Processors 2 cores, 2 chips, 1 core/chip

Primary Cache 16KBI+16KBD on chip

Secondary Cache 512KB ATC

Other Cache None

Memory 4 GB

Disk Subsystem 8 18gig 15K RPM drives

Disk Controllers Onboard Adaptec 7899

Other Hardware 4 Alteon ACEswitch 180

Software

Operating System Red Hat Linux 7.1

File System ext2

Other Software None

HTTP Software

Vendor Red Hat

HTTP Software TUX 2.0

API TUX user API

Server Cache None

Log Mode Binary CLF

Test Sponsor
Test Date	Aug-2001
Tested By	Dell
SPEC License	55

Network

# of Controllers 4

Network Controllers Alteon AceNIC 1000SX

# of Nets 4

Type of Nets Gigabit Ethernet

Network Speed 1 Gb/s

MSL (sec) 30 (Non RFC1122)

Time-Wait (sec) 60 (Non RFC1122)

MTU 1500

Clients

# of Clients 20

Model Dell Precision 410

Processor 450MHz Pentium II

# of Processors 2

Memory 128MB

Network Controller Alteon AceNIC 1000SX

Operating System Windows 2000 Professional

Compiler Microsoft Visual C++ 6.0

Benchmark Configuration

Requested Connections 3435

Fileset Size (MB) 11111.76

Notes

SUT Notes

1 disk for OS and logs
7 disk software RAID0 stripe for fileset

Operating System Notes

ulimit -n 10000, sets number of open files, default 1024
Two NIC IRQs bound per CPU
Each NIC's TX queue length set to 20000 via ifconfig, default 1000
File systems mounted with "noatime,check=none"; no inode access time updating, no check on mount
net.ipv4.nonlocal_bind = 1, allows processes to bind to non-local IP adresses
net.ipv4.tcp_timestamps = 0, turns TCP timestamp support off, default on
net.ipv4.tcp_max_tw_buckets = 2000000, sets TCP time-wait buckets pool size, default 180000
net.ipv4.tcp_rmem = 30000000 30000000 30000000, sets min/default/max TCP read buffer, default 4096 87380 174760
net.ipv4.tcp_wmem = 30000000 30000000 30000000, sets min/pressure/max TCP write buffer, default 4096 16384 131072
net.ipv4.tcp_mem = 30000000 30000000 30000000, sets min/pressure/max TCP buffer space, default 31744 32256 32768
net.ipv4.tcp_sack = 0, turn SACK support off, default on
net.ipv4.tcp_window_scaling = 0, turn TCP window scaling support off, default on
net.core.hot_list_length = 300000, maximum number of skb-heads to be cached, default 128
net.core.rmem_max = 10000000, maximum receive socket buffer size, default 131071
net.core.wmem_max = 10000000, maximum send socket buffer size, default 131071
net.core.rmem_default = 10000000, default receive socket buffer size, default 65535
net.core.wmem_default = 10000000, default send socket buffer size, default 65535
net.core.wmem_default = 10000000, default send socket buffer size, default 65535
net.core.optmem_max = 10000000, maximum amount of option memory buffers, default 10240
net.core.netdev_max_backlog = 300000, number of unprocessed input packets before kernel starts dropping them, default 300
See .config file for kernel build information
Alteon NIC settings in drivers/net/acenic.c:
DEF_TX_COAL = 300, default 400
DEF_RX_COAL = 300, default 120
DEF_TX_MAX_DESC = 64, default 60
DEF_RX_MAX_DESC = 32, default 25
Kernel update patch (RHSA-2001-084)

HTTP Software Notes

Each TUX thread's listening address bound to 2 NIC's associated networks
net.tux.logging = 1, turns on logging of requests, default 0
net.tux.cgiroot = /, cgi root check, default /var/www/tux/cgiroot/
net.tux.cgi_uid = 99, uid 'nobody' for cgi scripts; default -1
net.tux.cgi_gid = 99, gid 'nobody' for cgi scripts; default -1
net.tux.max_backlog = 3000, maximum per-listening-socket TCP backlog size, default 2048

HTTP API Notes

TUX API from Compaq-20010709-ml370-tux.tar.gz

Client Notes

Tcpip/Parameters/MaxUserPort = 0xfffe, sets maximum open ports to 65534.

Test Run Details

**Test results for each iteration (median is shaded)**
Iteration	Conforming Connections	Percent Conform	Throughput ops/sec	Response msec	ops/sec/ loadgen	kbit/ sec
1	3435	100.0%	9739.6	352.7	2.84	338.4
2	3435	100.0%	9734.1	353.0	2.83	338.4
3	3435	100.0%	9746.0	352.5	2.84	338.8

Wed Apr 13 16:35:03 2005

First published at SPEC.org on 04-Sep-2001