SPECweb99 Result

Dell:	PowerEdge 4600
Red Hat:	Red Hat Content Accelerator 2

SPECweb99 = 4460

Performance

Iteration

Conforming Simultaneous Connections

1	4460
2	4460
3	4460
Median	4460

Configuration

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

Hardware

Vendor Dell

Model PowerEdge 4600

Processor 2.20 GHz Pentium Xeon

# Processors 2 cores, 2 chips, 1 core/chip (Hyper-Threading enabled)

Primary Cache 12KBI+8KBD on chip

Secondary Cache 512KB ATC

Other Cache None

Memory 12 GB

Disk Subsystem 8 18GB 10KRPM drives

Disk Controllers Onboard Adaptec 7899

Other Hardware 4 Dell PowerConnect 5012,
4 Nortel ACEswitch 180

Software

Operating System Red Hat Linux 7.2

File System ext2

Other Software RHSA-2002-007, Intel 3.6.8 driver

HTTP Software

Vendor Red Hat

HTTP Software Red Hat Content Accelerator 2

API RHCA API

Server Cache None

Log Mode Binary CLF

Test Sponsor
Test Date	Feb-2002
Tested By	Dell
SPEC License	55

Network

# of Controllers 4

Network Controllers Intel PRO/1000 XT

# 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 3Com 3C985B-SX

Operating System Red Hat Linux 7.2

Compiler gcc 2.96

Benchmark Configuration

Requested Connections 4460

Fileset Size (MB) 14391.12

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
One NIC bound per logical CPU (Hyper-Threading enabled)
Each NIC's TX queue length set to 20000 via ifconfig, default 1000
File systems mounted with "noatime,nodiratime", no inode access time updating
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 = 10000000 10000000 10000000, sets min/default/max TCP read buffer, default 4096 87380 174760
net.ipv4.tcp_wmem = 10000000 10000000 10000000, sets min/pressure/max TCP write buffer, default 4096 16384 131072
net.ipv4.tcp_mem = 10000000 10000000 10000000, 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
Kernel parameters:
idle=poll, idle threads poll reschedule flag, default is to use HLT instruction
acpismp=force, use ACPI tables for processor information, default MP table

HTTP Software Notes

One network bound per TUX thread
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
net.tux.generate_etags = 0, don't generate ETag header, default 1
net.tux.generate_last_mod = 0, don't generate Last-Modified header, default 0
net.tux.noid = 1, suppress the Server id string, default 0
RHCA 2 available as kernel 2.4.9-21 and tux 2.2.0-1 from http://www.redhat.com/support/errata/RHSA-2002-007.html

Client Notes

net.ipv4.ip_local_port_range = 1024 65535

Other Notes

Tuning Disclosure: See above.
Dynamic API and kernel config: Dell-20020204-RHCA.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	4460	100.0%	12604.8	353.5	2.83	337.0
2	4460	100.0%	12643.2	352.5	2.83	338.1
3	4460	100.0%	12669.8	351.8	2.84	338.9

Wed Apr 13 16:35:07 2005

First published at SPEC.org on 19-Feb-2002