SPECweb99 Result

Dell:	PowerEdge 6600
Red Hat:	Red Hat Content Accelerator 2

SPECweb99 = 6700

Performance

Iteration

Conforming Simultaneous Connections

1	6700
2	6700
3	6698
Median	6700

Configuration

Availability Dates
All Hardware	Dec-2002
HTTP Software	Jun-2002
Operating System	Oct-2001
Supplemental System	Jun-2002

Hardware

Vendor Dell

Model PowerEdge 6600

Processor 2.00GHz Xeon MP

# Processors 4 cores, 4 chips, 1 core/chip (Hyper-Threading enabled)

Primary Cache 12KBI+8KBD on chip

Secondary Cache 256KB ATC

Other Cache 2MB L3

Memory 24 GB

Disk Subsystem 8 36GB 15KRPM drives

Disk Controllers Onboard Adaptec

Other Hardware 4 Dell PowerConnect 5012
1 Dell PowerConnect 5224

Software

Operating System Red Hat Linux 7.2

File System ext2

Other Software RHBA-2002-104, Intel 4.3.15 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	Oct-2002
Tested By	Dell
SPEC License	55

Network

# of Controllers 8

Network Controllers 2 Intel PRO/1000 Dual MT, 4 PRO/1000 XT

# of Nets 8

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 24

Model 12 Dell PowerEdge 1550, 12 Dell PowerEdge 1650

Processor 1.26/1.4GHz Pentium III

# of Processors 2

Memory 256MB

Network Controller Intel PRO/1000 XT

Operating System Red Hat Linux 7.3/8.0

Compiler gcc 2.96/3.2

Benchmark Configuration

Requested Connections 6700

Fileset Size (MB) 21559.84

Notes

SUT Notes

1 disk for OS and POST log, 1 disk for access log
6 disk software RAID0 stripe for file set

Operating System Notes

ulimit -n 10000, sets number of open files, default 1024
One NIC IRQ bound per logical CPU
Each NIC's TX queue length set to 20000 via ifconfig, default 100
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 = 20000, 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.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

Client Notes

net.ipv4.ip_local_port_range = 1024 65535

Other Notes

Tuning Disclosure: See above.
Dynamic API: Dell-20020204-RHCA.tar.gz
Kernel config: Dell-20021029-PE6600-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	6700	100.0%	19652.0	340.9	2.93	349.8
2	6700	100.0%	18909.6	354.3	2.82	336.4
3	6698	100.0%	18994.2	352.7	2.83	338.0

Wed Apr 13 16:35:12 2005

First published at SPEC.org on 12-Nov-2002