SPECweb99 Result

IBM:	IBM eServer xSeries 370
Red Hat:	TUX 2.0

SPECweb99 = 3999

Performance

Iteration

Conforming Simultaneous Connections

1	3999
2	3998
3	4000
Median	3999

Configuration

Availability Dates
All Hardware	Mar-2001
HTTP Software	Feb-2001
Operating System	Feb-2001
Supplemental System	Feb-2001

Hardware

Vendor IBM

Model IBM eServer xSeries 370

Processor 900 MHz Pentium III Xeon

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

Primary Cache 16KBI+16KBD on chip

Secondary Cache 2MB

Other Cache none

Memory 16GB

Disk Subsystem 5 X 18GB (IBM 19K1638)

Disk Controllers Onboard Adaptec

Other Hardware 4 X ALTEON ACEswitch 180 GbE Switch

Software

Operating System RedHat Linux 7.0 with
Threaded Web Server Add-On

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	Feb-2001
Tested By	IBM
SPEC License	11

Network

# of Controllers 4

Network Controllers Alteon ACEnic PCI

# of Nets 4

Type of Nets Gigabit Ethernet

Network Speed 1Gb/s

MSL (sec) 30 (Non RFC1122)

Time-Wait (sec) 60 (Non RFC1122)

MTU 1500

Clients

# of Clients 20

Model Intellistation Z Pro

Processor 450Mhz Pentium II Xeon

# of Processors 2

Memory 256MB

Network Controller Alteon ACEnic PCI

Operating System Windows 2000 Professional

Compiler Microsoft Visual C++ 6.0

Benchmark Configuration

Requested Connections 4000

Fileset Size (MB) 12917.36

Notes

SUT Notes

1 disk for OS
3 disk software RAID0, using 2MB chunk size, for web pages
1 disk for logs

Operating System Notes

Tuning parameters:
- net.ipv4.ip_forward=1, default 0
- net.ipv4.conf.all.rp_filter = 1, enables source route verification, default 0
- net.ipv4.tcp_timestamps = 0, turns TCP timestamp support off, default 1
- net.ipv4.tcp_max_tw_buckets = 2000000, sets TCP time-wait buckets pool size, default 180000
- net.core.rmem_max = 10000000, maximum receive socket buffer size, default 65535
- net.core.rmem_default = 10000000, default receive socket buffer size, default 65535
- net.core.wmem_max = 10000000, maximum send socket buffer size, default 65535
- net.core.wmem_default = 10000000, default send socket buffer size, default 65535
- net.core.optmem_max = 10000000, default 10240
- net.core.hot_list_length = 10000, maximum number of skb-heads to be cached, default 128
- net.ipv4.tcp_rmem = 30000000 30000000 30000000, maximum TCP read-buffer space allocatable, default 4096 87380 174760
- net.ipv4.tcp_wmem = 30000000 30000000 30000000, maximum TCP write-buffer space allocatable, default 4096 16384 131072
- net.ipv4.ip_nonlocal_bind = 1, allow nonlocal IP addresses, default 0
Alteon NIC settings in /usr/src/linux/drivers/net/acenic.c
- tx_coal_tick = 300, default 400
- rx_coal_tick = 300, default 120
- max_tx_desc = 64, default 32
- max_rx_desc = 32, default 16
See config file for kernel build information

HTTP Software Notes

TUX Configuration
- net.tux.threads = 2, sets number of TUX threads, default 2
- net.tux.logging = 1, turns on logging, default 0
- net.tux.mode_allowed = 255, allowed file-permission bits, default 00004
- net.tux.mode_forbidden = 2, forbidden file-permission bits, default 00000
- net.tux.max_cached_filesize = 100000000, maximum size of cached object, default 100000
- net.tux.serverport = 80

HTTP API Notes

Tux API from Compaq-20010122-DL320-API.tar.gz

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	3999	100.0%	11224.5	356.2	2.81	335.3
2	3998	100.0%	11243.8	355.6	2.81	335.9
3	4000	100.0%	11229.8	356.0	2.81	335.6

Mon Apr 25 12:38:16 2005

First published at SPEC.org on 03-Apr-2001