SPECweb99_SSL Result

Dell:	PowerEdge 1855 (2-blade cluster)
Zeus Technology Ltd.:	Zeus Web Server 4.2r4 (64 bit)

SPECweb99_SSL = 3589

Performance

Iteration

Conforming Simultaneous Connections

1	3590
2	3581
3	3589
Median	3589

Configuration

Availability Dates
All Hardware	Dec-2004
HTTPS Software	Nov-2003
Operating System	Aug-2004
Supplemental System	Nov-2003

Hardware

Vendor Dell

Model PowerEdge 1855 (2-blade cluster)

Processor 3.6GHz Intel Xeon

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

Primary Cache 12KBI+16KBD on chip

Secondary Cache 1MB(I+D) on chip

Other Cache N/A

Memory 24GB (12GB per blade)

Disk Subsystem 4 36GB 15KRPM drives (2 per blade)

Disk Controllers Onboard SCSI

Other Hardware PowerEdge 1855 blade chassis
2 Gb pass-through I/O modules
Dell PowerConnect 5224 switch

Software

Operating System SUSE LINUX Enterprise Server 9

File System ext2

Other Software None

HTTPS Software

Vendor Zeus Technology Ltd.

HTTPS Software Zeus Web Server 4.2r4 (64 bit)

API Zeus PEPP 0.9pre2 ISAPI for Dynamic content

Server Cache None

Log Mode Zeus Binary CLF

Test Sponsor
Test Date	Oct-2004
Tested By	Dell
SPEC License	55

Network

# of Controllers 2

Network Controllers Dual On-board NICs on each blade

# 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 16

Model Dell PowerEdge 1650

Processor 1.4GHz Pentium III

# of Processors 2

Memory 1024MB

Network Controller Onboard NIC

Operating System Microsoft Windows XP Professional

Compiler Microsoft Visual C++ 6.0

Benchmark Configuration

Requested Connections 3590

Fileset Size (MB) 11609.52

Notes

SUT Notes

Each blade has OS on first disk; 2-disk RAID0 stripe for access log and file set
Each blade had first interface connected to the PowerConnect switch
Blades used ntpd to synchronize time to a central clock
Second blade accessed first blade's User.Personality, Custom.Ads, post.log via NFS

Operating System Notes

ulimit -n 10000, sets number of open files, default 1024
Each NIC's TX queue length set to 40000 via ifconfig, default 100
Each NIC's InterruptThrottleRate set to 3000 via modprobe, default 1
File systems mounted with "noatime,nodiratime,noacl", no inode access time updating, no access control lists
net.ipv4.tcp_timestamps = 0, turns TCP timestamp support off, default on
net.ipv4.tcp_max_tw_buckets = 456000, sets TCP time-wait buckets pool size, default 180000
net.ipv4.tcp_rmem = 30000000 30000000 30000000, sets min/default/max TCP read buffer, default 4096 87380 174760
net.ipv4.tcp_wmem = 30000000 30000000 30000000, sets min/pressure/max TCP write buffer, default 4096 16384 131072
net.ipv4.tcp_mem = 30000000 30000000 30000000, sets min/pressure/max TCP buffer space, default 31744 32256 32768
net.ipv4.tcp_max_syn_backlog = 8192, sets maximum queued connection requests before kernel drops them, default 1024
net.core.wmem_max = 10000000, maximum send socket buffer size, default 131071
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
fs.file-max = 508216, increases number of open file handles kernel allocates, default 4096

HTTPS Software Notes

Two instances of Zeus per blade, one with HTTPS virtual server, one with HTTP virtual server
HTTPS virtual server settings (global.cfg):
tuning!listen_queue_size 8192
tuning!so_wbuff_size 1048576
tuning!so_rbuff_size 0
tuning!maxaccept 2500
tuning!clientfirst_optimise yes
tuning!unique_bind no
tuning!cache_stat_expire 31536000
tuning!cache_max_bytes 0
tuning!cache_flush_interval 31536000
tuning!cache_files 282011
tuning!cache_cooling_time 0
tuning!sendfile yes
tuning!sendfile_minsize 1
tuning!softservers no
tuning!keepalive_timeout 30
tuning!keepalive_max -1
tuning!ssl_sessioncache_size 7507
tuning!cbuff_size 65536
tuning!isapi!enabled yes
tuning!modules!stats!enabled no
tuning!modules!cgi!enabled yes
tuning!modules!cgi!cleansize 0
tuning!modules!security!enabled yes
tuning!num_children 8
HTTP virtual server settings (global.cfg):
tuning!cbuff_size 65536
tuning!chunk no
tuning!clientfirst_optimise yes
tuning!keepalive_max 2100
tuning!keepalive_timeout 3600
tuning!listen_queue_size 8192
tuning!maxaccept 64
tuning!modules!stats!enabled no
tuning!sendfile_minsize 1
tuning!so_wbuff_size 1048576
tuning!softservers no
modules!cgi!enabled yes
modules!isapi!enabled yes
tuning!num_children 1

Network Notes

Each blade connected to clients via pass-through module 1 to the switch
7 clients accessed first blade, 9 clients accessed second blade
Blades connected together via crossover cable on pass-through module 2

Client Notes

manager.ssl.rcp.alt.WIN32, alt.WIN32 client used
Registry tunes: (HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\)
- Tcpip\Parameters\MaxUserPort=0xfffe, sets maximum open ports to 65534
- Tcpip\Parameters\TcpTimedWaitDelay=60, sets TIME_WAIT parameter to 60 seconds (non-RFC 1122), default 240
- Tcpip\Parameters\MaxFreeTWTcbs=100000, sets maximum number of TIME_WAIT TCBs
- Tcpip\Parameters\TcpWindowSize=65535, sets TCP send/receive window size, default 8192

Other Notes

Tuning Disclosure: See above.
Dynamic API: Dell-20030916-API.tgz
API configured with --ssl=yes

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	3590	100.0%	10754.1	333.7	3.00	359.3
2	3581	99.7%	10728.3	334.5	2.99	358.3
3	3589	100.0%	10739.9	334.1	2.99	358.7

Tue Nov 23 12:09:56 2004

First published at SPEC.org on 23-Nov-2004