SPECweb99 Result

Dell:	PowerEdge 2650
Red Hat:	Red Hat Content Accelerator 2

SPECweb99 = 5530

Performance

Iteration

Conforming Simultaneous Connections

1	5530
2	5530
3	5530
Median	5530

Configuration

Availability Dates
All Hardware	May-2003
HTTP Software	Sep-2002
Operating System	Sep-2002
Supplemental System	Feb-2003

Hardware

Vendor Dell

Model PowerEdge 2650

Processor 3.06 GHz Intel 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 5 36GB 15K RPM drives

Disk Controllers Onboard Adaptec 7899

Other Hardware 1 Dell PowerConnect 5224

Software

Operating System Red Hat Linux 8.0

File System ext2,ext3

Other Software RHBA-2003:069, e1000 5.0.43 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	Apr-2003
Tested By	Dell
SPEC License	55

Network

# of Controllers 2

Network Controllers Intel PRO/1000 MT Dual Port Server Adapter

# 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 12

Model Dell PowerEdge 1650

Processor 1.4GHz Pentium III

# of Processors 2

Memory 256MB

Network Controller Intel 82544EI LOM

Operating System Red Hat Linux 8.0

Compiler gcc 3.2

Benchmark Configuration

Requested Connections 5530

Fileset Size (MB) 17816.88

Notes

SUT Notes

1 disk for OS and logs, ext3
5 disk software RAID1 mirror for file set, ext2
"Sequential Memory Access" disabled in BIOS, default enabled

Operating System Notes

Root filesystem mounted with "data=writeback", journal only ext3 metadata, default ordered
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 1000
Each NIC's TxDescriptors set to 4096 via modules.conf, default 256
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.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
fs.file-max = 32768, increases file handle kernel allocates, default 4096
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

HTTP API Notes

gcc 3.2-7 compiler used
Compile flags: -fomit-frame-pointer -mcpu=i686 -march=i686 -O2 -Wall -fPIC -shared

Client Notes

net.ipv4.ip_local_port_range = 1024 65535

Other Notes

Tuning Disclosure: See above.
Dynamic API, flag descriptions, kernel .config: Dell-20030527-RHCA.tgz

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	5530	100.0%	15867.4	348.5	2.87	342.0
2	5530	100.0%	15673.8	352.8	2.83	338.0
3	5530	100.0%	15642.0	353.5	2.83	337.2

Wed Apr 13 16:35:13 2005

First published at SPEC.org on 10-Jun-2003