SPECweb99 Result

IBM:	IBM eServer xSeries 343
Red Hat:	TUX 2.0

SPECweb99 = 3416

Performance

Iteration

Conforming Simultaneous Connections

1	3418
2	3414
3	3416
Median	3416

Configuration

Availability Dates
All Hardware	Apr-2002
HTTP Software	Apr-2001
Operating System	Apr-2001
Supplemental System	Jan-2002

Hardware

Vendor IBM

Model IBM eServer xSeries 343

Processor 1266 MHz Pentium III

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

Primary Cache 16KBI+16KBD on chip

Secondary Cache 512KB ATC

Other Cache none

Memory 6GB

Disk Subsystem 10-18GB drives

Disk Controllers Onboard Adaptec 7899

Other Hardware 1 Extreme Networks Summit 7i Switch

Software

Operating System Red Hat Linux 7.1

File System ext2

Other Software Intel 3.6.8 driver

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	Mar-2002
Tested By	IBM
SPEC License	11

Network

# of Controllers 2

Network Controllers Intel PRO/1000 XT

# of Nets 2

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 10

Model IBM eServer xSeries 330

Processor 933Mhz Pentium III

# of Processors 1

Memory 256MB

Network Controller IBM Netfinity Gigabit Ethernet Adapter

Operating System Windows 2000 Professional

Compiler Microsoft Visual C++ 6.0

Benchmark Configuration

Requested Connections 3420

Fileset Size (MB) 11062.96

Notes

SUT Notes

2 18GB 15K RPM disk for OS
6 18GB 15K RPM disk software RAID0, using 2MB chunk size, for fileset
2 18GB 10K RPM disk software RAID0, using 2MB chunk size, for logs
set noatime on fileset mount; avoids writing back the main inode block for every file accessed

Operating System Notes

net.ipv4.ip_forward=1, 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, maximum amount of option memory buffers, default 10240
net.core.hot_list_length = 300000, maximum number of skb-heads to be cached, default 128
net.core.netdev_max_backlog = 300000, number of unprocessed input packets before kernel starts dropping them, default 300
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.tcp_mem = 30000000 30000000 30000000, maximum TCP buffer space, default 31744 32256 32768
net.ipv4.tcp_dsack = 0
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

HTTP Software Notes

Each TUX thead's listening address bound to a NIC's associated network
One NIC bound per TUX thread
net.tux.logging = 1, turns on logging, 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.mode_allowed = 255, allowed file-permission bits, default 00004
net.tux.mode_forbidden = 2, forbidden file-permission bits, default 00000

Network Notes

txqueuelen=20000, transmit queue length, default 100

Other Notes

Tuning Disclosure: See above.
Dynamic API: Compaq-20010122-DL320-API.tar.gz
Kernel Configuration: IBM-20020318-x343-config.txt

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	3418	99.9%	9533.6	357.4	2.79	334.1
2	3414	99.8%	9520.0	357.9	2.78	333.5
3	3416	99.9%	9538.9	357.1	2.79	334.1

Mon Apr 25 12:38:29 2005

First published at SPEC.org on 02-Apr-2002