SPECweb99 Result

Dell:	PowerEdge 1650
Red Hat:	Red Hat Content Accelerator 2

SPECweb99 = 3442

Performance

Iteration

Conforming Simultaneous Connections

1	3437
2	3446
3	3442
Median	3442

Configuration

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

Hardware

Vendor Dell

Model PowerEdge 1650

Processor 1.4GHz 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 3 72GB 10KRPM drives

Disk Controllers Onboard Adaptec SCSI

Other Hardware 2 Nortel ACEswitch 180, Intel NetStructure 470T

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 2

Network Controllers Onboard Intel 82544EI 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 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 3450

Fileset Size (MB) 11160.56

Notes

SUT Notes

1 disk for OS and logs
2 disk software RAID0 stripe for file set

Operating System Notes

ulimit -n 10000, sets number of open files, default 1024
One NIC bound per CPU
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

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	3437	99.6%	9546.6	361.3	2.77	330.1
2	3446	99.9%	9569.2	360.3	2.77	330.7
3	3442	99.8%	9541.0	361.5	2.77	329.7

Wed Apr 13 16:35:06 2005

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