SPECweb2005 Result: IBM: eServer xSeries x306M

SPECweb2005 Result
Copyright © 2005 Standard Performance Evaluation Corporation

IBM: eServer xSeries x306M
Zeus Technology Ltd.: Zeus Web Server v4.2r4 (x86-64)
Apache Software Foundation: Apache Tomcat 5.5.9

SPECweb2005 = 2151

SPECweb2005_Banking = 3870

SPECweb2005_Ecommerce = 2640

SPECweb2005_Support = 2160

Tested By: IBM

SPEC License #: 11

Test Date: Sep-2005

Performance and Configuration Section
Performance Section
Configuration Section

Details Section
Banking Details
Ecommerce Details
Support Details

Notes Section
Banking Notes
Ecommerce Notes
Support Notes

Errors Section
Banking Errors
Ecommerce Errors
Support Errors

Performance

Banking

Simultaneous
User Sessions

Test
Iteration

Aggregate QOS Compliance

Good	Tolerable	Fail

Validation Errors

3870

96.2%

100.0%

0.0%

95.2%

99.9%

0.0%

96.5%

100.0%

0.0%

Ecommerce

Simultaneous
User Sessions

Test
Iteration

Aggregate QOS Compliance

Good	Tolerable	Fail

Validation Errors

2640

96.9%

99.7%

0.2%

98.2%

99.9%

0.0%

95.7%

99.5%

0.4%

Support

Simultaneous
User Sessions

Test
Iteration

Aggregate QOS Compliance

Good	Tolerable	Fail

Validation Errors

2160

96.5%

99.7%

0.2%

96.6%

99.9%

0.0%

96.0%

99.8%

0.1%

Configuration

Availability Dates
SUT Hardware	Oct-2005
Backend Simulator	Nov-2003
Web Server Software	Dec-2003
Operating System	Jan-2005
Other Components	N/A

System Under Test (SUT)

# of SUTs 1

Vendor IBM

Model eServer xSeries x306M

Processor 3.0 GHz Intel Pentium D 830

Processor Speed (MHz) 3000

# Processors 2 cores, 1 chip, 2 cores/chip

Primary Cache 12KB(I) + 16KB(D) on chip

Secondary Cache 1024 KB

Other Cache N/A

Memory 8 GB

Disk Subsystem 146GB 15K Ultra320 SAS, 70 x 18GB Fiber Channel

Disk Controllers QLogic Fiber Channel

Operating System SUSE Linux Enterprise Server 9.2 SP1

File System ext2

Other Hardware null

Other Software Sun Java(TM) 2 Runtime Environment, Standard Edition 1.5.04

SUT Network

# of Controllers 1

Network Controllers Broadcom

# of Networks 1

Network Type Gigabit Ethernet

Network Speed 1 Gb/s

MSL (sec) 30 (Non RFC1122)

Time-Wait (sec) 60 (Non RFC1122)

MTU Size 1500

Web Server Software
Vendor	Zeus Technology Ltd.
Name/Version	Zeus Web Server v4.2r4 (x86-64)
Dynamic Scripts	SPEC-JSP
Server Cache	N/A
Log Mode	Zeus Binary Common Log Format

Script Engine
Vendor	Apache Software Foundation
Name/Version	Apache Tomcat 5.5.9
Dynamic Scripts	JSP
Server Cache	null
Log Mode	Common Log Format

Clients

# of Clients 12

Model eServer xSeries x336

Processor Xeon

Processor Speed (MHz) 2800

# Processors 2

Memory 2 GB

Network Controller IBM NetXtreme BCM5721 Gigabit Ethernet PCI Express

Operating System SUSE Linux 9.2 (kernel 2.6.8-24-smp)

JVM Version Java 2 Runtime Environment, Std Edition (build 1.4.2_01-b06)

JIT Version Java HotSpot Client VM (build 1.4.2_01-b06, mixed mode)

Other Hardware N/A

Other Software N/A

Backend Simulator (BESIM)

# of Simulators 1

Model eServer xSeries x336

Processor Xeon

Processor Speed (MHz) 2800

# of Processors 2

Memory 2 GB

Network Controller IBM NetXtreme BCM5721 Gigabit Ethernet PCI Express

Operating System SUSE Linux 9.2 (kernel 2.6.8-24-smp)

File System ext2

Web Server Apache 2.0.54

Server Scripts SPEC-FCGI v1.0

Other Hardware N/A

Other Software N/A

Banking Run Details

Test results for each iteration

Iteration

Request Type

Total Reqs

QOS

Good	Tolerable	Fail

Weighted
ABR

Avg Resp
Time (sec)

Average
Bytes/Req

197957

193415

4542

5338.8

1.648

34410

account_summary

139186

138742

444

3008.5

1.53

27578

check_detail_html

78070

73421

4649

1470.5

1.711

24032

bill_pay

127806

127234

572

2554.4

1.539

25501

add_payee

10406

10393

215.1

1.473

26382

payee_info

7504

6183

1321

258.3

1.839

43928

quick_pay

61116

48285

12831

1593.9

1.854

33276

billpay_status

20530

20507

534.0

1.458

33188

chg_profile

11263

10959

304

382.1

1.659

43289

post_profile

8113

8050

233.5

1.558

36730

req_checks

11159

1958

9201

770.6

2.154

88110

post_chk_order

8079

7911

168

210.4

1.625

33240

req_xfer_form

16000

15991

276.6

1.381

22059

post_fund_xfer

11459

11254

205

220.3

1.62

24539

logout

56342

56289

3323.7

1.476

75267

check_image

156205

1304.2

0.265

10653

Total

921195

886797	34398	0

21695.7

197595

190702

6757

136

5291.9

1.665

34470

account_summary

138771

137400

1254

117

2976.2

1.548

27604

check_detail_html

77873

71715

6067

1454.0

1.732

24032

bill_pay

127489

126030

1345

114

2526.0

1.557

25501

add_payee

10340

10283

212.0

1.487

26393

payee_info

7468

5854

1604

254.9

1.861

43932

quick_pay

60996

45927

14995

1577.3

1.878

33283

billpay_status

20533

20409

108

529.5

1.478

33196

chg_profile

11198

10765

428

376.5

1.676

43285

post_profile

8101

7986

106

231.1

1.575

36726

req_checks

11071

1709

9352

758.2

2.171

88152

post_chk_order

8054

7800

243

207.9

1.64

33239

req_xfer_form

15853

15781

272.0

1.396

22086

post_fund_xfer

11353

11008

330

216.4

1.643

24540

logout

56261

55947

279

3289.7

1.492

75260

check_image

155858

155789

1290.3

0.269

10655

Total

918814

875105	43051	658

21464.5

198117

193745

4372

5389.4

1.636

34411

account_summary

139120

138656

464

3033.2

1.515

27579

check_detail_html

78016

73718

4298

1482.2

1.694

24032

bill_pay

127978

127455

523

2580.0

1.523

25502

add_payee

10388

10383

216.7

1.458

26392

payee_info

7505

6222

1283

260.5

1.824

43920

quick_pay

61133

49575

11558

1608.3

1.835

33280

billpay_status

20552

20535

539.2

1.444

33191

chg_profile

11252

11000

252

385.0

1.642

43291

post_profile

8097

8046

235.0

1.54

36727

req_checks

11149

2219

8930

776.5

2.143

88111

post_chk_order

8065

7934

131

211.9

1.605

33241

req_xfer_form

15959

15955

278.4

1.368

22067

post_fund_xfer

11456

11269

187

222.1

1.608

24529

logout

56398

56340

3353.8

1.467

75225

check_image

156180

1316.1

0.263

10660

Total

921365

889232	32133	0

21889.1

Notes for Banking Workload

SUT Notes

BladeCenter Fiber Channel 2-port Switch for disk array
Five enclosures (containing 14 disks) configured as software raid0
Total of five enclosures and 70 drives are used for fileset
The total number of fileset directories (200 directories) are evenly distributed across five drives
1 Extreme Networks Summit 400-48t Switch

Operating System Notes

net.ipv4.ip_forward=1, default 0
net.ipv4.tcp_timestamps = 0, turns TCP timestamp support off, default 1
net.ipv4.tcp_max_tw_buckets = 2000000, sets TCP time-wait buckets pool size, default 180000
net.core.wmem_max = 10000000, maximum send socket buffer size, default 131071
net.core.wmem_default = 10000000, default send socket buffer size, default 135168
net.core.optmem_max = 10000000, default 20480
net.ipv4.tcp_rmem = 30000000 30000000 30000000, maximum TCP read-buffer space allocatable, default 4096 87380 174760
net.ipv4.tcp_wmem = 30000000 30000000 30000000, maximum TCP write-buffer space allocatable, default 4096 87380 174760
net.ipv4.tcp_mem = 30000000 30000000 30000000, maximum TCP buffer space, default 392192 392704 393216
net.ipv4.tcp_max_syn_backlog = 8192, default 1024
fs.file-max = 442961, sets number of open file handles kernel allocates, default 904396
net.core.somaxconn = 10000, size of the listen queue for accepting new TCP connections, default 128
Each NICs txqueuelen set to 60000, default 1000
irqbalancer service was disabled during run
ulimit -n 1000000, sets number of open files, default 1024
ulimit -u 1000000, sets max user processes, default 70656
No modifications to default kernel configuration

HTTP Software Notes

tuning!max_connections -1
tuning!listen_queue_size 8192, size of TCP listen queue, default 256
tuning!so_wbuff_size 1048576, size of socket write buffer, default unset
tuning!so_rbuff_size 1048576, size of socket read buffer, default unset
tuning!maxaccept 7000, max number of accept calls per server socekt, default 32
tuning!clientfirst_optimise yes, connection not accepted till data is ready, default no
tuning!unique_bind yes, have server sockets bind to IPADDR_ANY, default no
tuning!bind_any no, bind to all available interfaces on a machine, default yes
tuning!softservers no, enable software virtual servers, default yes
tuning!keepalive yes, enable keepalive connections, default yes
tuning!timeout 1800, timeout for client transfers (seconds), if the server is unable to communicate with the client for this period of time the connection is closed, default 120
tuning!ssl_keepalive yes, enable SSL keepalive, default yes
tuning!keepalive_timeout 1800, time after which an inactive keepalive connection is closed
tuning!keepalive_max -1, time after which an inactive keepalive connection is closed
tuning!modules!stats!enabled no, enable the stats module, default no
tuning!modules!cgi!enabled no, enable the cgi module, default no
tuning!modules!nsapi!enabled no, enable the nsapi module, default no
tuning!modules!isapi!enabled no, enable the isapi runner, default yes
tuning!counters_enabled no, enable or disable the real time monitor counter, default yes
tuning!modules!cgi!cleansize 0, number of file descriptors to close before exec, default unset
tuning!num_children 1, number of child processes to run, default 4
tuning!ssl_cbuff_size 65536, size of SSL circular buffer, default 16404
tuning!ssl_sessioncache_size 22993, size of SSL session cache, default 199
tuning!ssl_diskcache no, defaults to 'yes' on multiprocessor system, default yes
tuning!cbuff_size 1048576, cgi buffer size, default 8192

HTTP Script Notes

SPEC-provided JSP scripts used without modification
Apache Tomcat 5.5.9 is used as JSP engine
Java Options = -Xms800m -Xmx800m -Xss512k -Xcompactexplicitgc, optimize garbage collection for applications and set JVM heap size to 4GB, set stack size to 512KB
server.xml tuning:
maxThreads=3000, max number of sessions, default 150
minSpareThreads=500, number of threads created when connector starts, default 25
maxSpareThreads=1000, max number of unused threads allowed, default 75
acceptCount=50000, max queue length for connection requests, default 100

Client Notes

ulimit -n 1000000, sets number of open files, default 1024
ulimit -u 1000000, sets max user processes, default 7168
java -Xms512m -Xmx512m -Xss256k -Xcompactexplicitgc specwebclient

BESIM Notes

BESIM is a physically separate machine
ulimit -n 1000000, sets number of open files, default 1024
ulimit -u 1000000, sets max user processes, default 7168
Apache using mod_fastcgi
Apache httpd.conf:
StartServer 100, specifies the number of child server processes that will be created by Apache on start-up, default 5
MinSpareServers 250, specifies the minimum number of idle child server processes for Apache, which is not handling a request, default 5
MaxSpareServers 1500, specifies the maximum number of idle child server processes for Apache, which is not handling a request, default 10
MaxClients 1500, sets the limit on the number of simultaneous requests that can be supported, no more than this number of child server processes will be created, default 256
MaxRequestsPerChild 0, specifies the number of requests that an individual child server process will handle (0 unlimited), default 0
KeepAlive on, if set to On, specifies enabling persistent connections on this web server, default off
KeepAliveTimeout 600, specifies how much time, in seconds, Apache will wait for a subsequent request before closing the connection, default 15
ServerLimit 1500
No additional fcgi tuning is implemented

Other Notes

Errors for Banking Workload

Quality of Service Errors

No QOS Errors Found

Validation Errors

No Validation Errors Found

Ecommerce Run Details

Test results for each iteration

Iteration

Request Type

Total Reqs

QOS

Good	Tolerable	Fail

Weighted
ABR

Avg Resp
Time (sec)

Average
Bytes/Req

index

56651

56302

349

10405.9

1.719

138629

28788

28769

6939.2

1.924

181922

browse

50793

50427

366

10362.2

1.838

153969

browse_productline

43526

43497

10358.1

1.937

179604

productdetail

34805

34786

2472.8

1.061

53620

customize1

72983

72727

255

15973.2

1.784

165178

customize2

38758

38590

166

8444.3

1.783

164432

customize3

26543

21262

4756

525

6229.4

2.491

177124

cart

22951

20360

2298

293

2254.1

1.859

74124

16289

14493

1595

201

1040.8

1.614

48226

shipping

15340

14309

914

117

873.8

1.421

42991

billing

14608

13522

983

103

640.8

1.46

33109

confirm

10935

10878

461.6

0.881

31862

Total

432970

419922	11806	1242

76456.8

index

56885

56645

240

10727.3

1.726

138474

28893

28881

7158.2

1.927

181923

browse

50974

50709

265

10691.3

1.847

154013

browse_productline

43617

43602

10668.6

1.94

179608

productdetail

34854

34841

2539.5

1.062

53503

customize1

73338

73304

16496.8

1.775

165175

customize2

38807

38782

8689.7

1.77

164425

customize3

26703

23345

3218

140

6441.5

2.352

177134

cart

23122

21723

1314

2339.2

1.621

74288

16359

15344

982

1069.3

1.339

47999

shipping

15422

14882

540

902.9

1.158

42991

billing

14665

14105

553

661.2

1.187

33109

confirm

10992

10988

476.9

0.736

31862

Total

434631

427151	7215	265

78863.1

index

56359

55798

558

10107.1

1.716

138462

28693

28662

6760.8

1.923

181924

browse

50528

49926

600

10082.0

1.842

154057

browse_productline

43303

43244

10073.8

1.94

179615

productdetail

34608

34542

2402.1

1.067

53589

customize1

72733

72395

318

15560.0

1.802

165175

customize2

38540

38321

208

8207.8

1.806

164431

customize3

26454

20071

5536

847

6069.0

2.603

177132

cart

22895

19015

3371

509

2188.5

2.05

73803

16219

13689

2263

267

1019.9

1.838

48554

shipping

15280

13567

1586

127

850.8

1.618

42991

billing

14533

12708

1678

147

623.2

1.674

33109

confirm

10853

10797

447.8

0.986

31862

Total

430998

412735	16320	1943

74393.2

Notes for Ecommerce Workload

SUT Notes

BladeCenter Fiber Channel 2-port Switch for disk array
Five enclosures (containing 14 disks) configured as software raid0
Total of five enclosures and 70 drives are used for fileset
The total number of fileset directories (200 directories) are evenly distributed across five drives
1 Extreme Networks Summit 400-48t Switch

Operating System Notes

net.ipv4.ip_forward=1, default 0
net.ipv4.tcp_timestamps = 0, turns TCP timestamp support off, default 1
net.ipv4.tcp_max_tw_buckets = 2000000, sets TCP time-wait buckets pool size, default 180000
net.core.wmem_max = 10000000, maximum send socket buffer size, default 131071
net.core.wmem_default = 10000000, default send socket buffer size, default 135168
net.core.optmem_max = 10000000, default 20480
net.ipv4.tcp_rmem = 30000000 30000000 30000000, maximum TCP read-buffer space allocatable, default 4096 87380 174760
net.ipv4.tcp_wmem = 30000000 30000000 30000000, maximum TCP write-buffer space allocatable, default 4096 87380 174760
net.ipv4.tcp_mem = 30000000 30000000 30000000, maximum TCP buffer space, default 392192 392704 393216
net.ipv4.tcp_max_syn_backlog = 8192, default 1024
fs.file-max = 442961, sets number of open file handles kernel allocates, default 904396
net.core.somaxconn = 10000, size of the listen queue for accepting new TCP connections, default 128
Each NICs txqueuelen set to 60000, default 1000
irqbalancer service was disabled during run
ulimit -n 1000000, sets number of open files, default 1024
ulimit -u 1000000, sets max user processes, default 70656
No modifications to default kernel configuration

HTTP Software Notes

tuning!max_connections -1, maximum number of connections to process simultaneously, default is approx. half of available file descriptors
tuning!listen_queue_size 8192, size of TCP listen queue, default 256
tuning!so_wbuff_size 1048576, size of socket write buffer, default unset
tuning!so_rbuff_size 1048576, size of socket read buffer, default unset
tuning!maxaccept 7000, max number of accept calls per server socekt, default 32
tuning!clientfirst_optimise yes, connection not accepted till data is ready, default no
tuning!unique_bind yes, have server sockets bind to IPADDR_ANY, default no
tuning!bind_any no, bind to all available interfaces on a machine, default yes
tuning!softservers no, enable software virtual servers, default yes
tuning!keepalive yes, enable keepalive connections, default yes
tuning!ssl_keepalive yes, enable ssl_keepalive connections, default yes
tuning!timeout 1800, timeout for client transfers (seconds), if the server is unable to communicate with the client for this period of time the connection is closed, default 120
tuning!keepalive yes, enable keepalive, default yes
tuning!keepalive_timeout 1800, time after which an inactive keepalive connection is closed
tuning!keepalive_max -1, time after which an inactive keepalive connection is closed
tuning!modules!stats!enabled no, enable the stats module, default no
tuning!modules!cgi!enabled no, enable the cgi module, default no
tuning!modules!nsapi!enabled no, enable the nsapi module, default no
tuning!modules!isapi!enabled no, enable the isapi runner, default yes
tuning!counters_enabled no, enable or disable the real time monitor counter, default yes
tuning!modules!cgi!cleansize 0, number of file descriptors to close before exec, default unset
tuning!num_children 1, number of child processes to run, default 4
tuning!ssl_cbuff_size 65536, size of SSL circular buffer, default 16404
tuning!ssl_sessioncache_size 22993, size of SSL session cache, default 199
tuning!ssl_diskcache no, defaults to 'yes' on multiprocessor system, default yes
tuning!cbuff_size 1048576, cgi buffer size, default 8192

HTTP Script Notes

SPEC-provided JSP scripts used without modification
Apache Tomcat 5.5.9 is used as JSP engine
Java Options = -Xms1250m -Xms1250m -Xss512k -Xcompactexplicitgc, optimize garbage collection for applications and set JVM heap size to 4GB, set stack size to 512KB
server.xml tuning:
maxThreads=8000, max number of sessions, default 150
minSpareThreads=2000, number of threads created when connector starts, default 25
maxSpareThreads=3000, max number of unused threads allowed, default 75
acceptCount=50000, max queue length for connection requests, default 100

Client Notes

ulimit -n 1000000, sets number of open files, default 1024
ulimit -u 1000000, sets max user processes, default 7168
java -Xms512m -Xmx512m -Xss256k -Xcompactexplicitgc specwebclient

BESIM Notes

BESIM is a physically separate machine
ulimit -n 1000000, sets number of open files, default 1024
ulimit -u 1000000, sets max user processes, default 7168
Apache using mod_fastcgi
Apache httpd.conf:
StartServer 100, specifies the number of child server processes that will be created by Apache on start-up, default 5
MinSpareServers 250, specifies the minimum number of idle child server processes for Apache, which is not handling a request, default 5
MaxSpareServers 1500, specifies the maximum number of idle child server processes for Apache, which is not handling a request, default 10
MaxClients 1500, sets the limit on the number of simultaneous requests that can be supported, no more than this number of child server processes will be created, default 256
MaxRequestsPerChild 0, specifies the number of requests that an individual child server process will handle (0 unlimited), default 0
KeepAlive on, if set to On, specifies enabling persistent connections on this web server, default off
KeepAliveTimeout 600, specifies how much time, in seconds, Apache will wait for a subsequent request before closing the connection, default 15
ServerLimit 1500
No additional fcgi tuning is implemented

Other Notes

Errors for Ecommerce Workload

Quality of Service Errors

No QOS Errors Found

Validation Errors

No Validation Errors Found

Support Run Details

Test results for each iteration

Iteration

Request Type

Total Reqs

QOS

Good	Tolerable	Fail

Weighted
ABR

Avg Resp
Time (sec)

Average
Bytes/Req

home

30067

29842

225

825.9

0.949

59662

46791

46615

176

575.0

0.64

26695

catalog

43034

42833

201

660.1

0.701

33316

product

90603

86923

3440

240

2775.6

1.333

66540

fileCatalog

82732

77921

4492

319

3971.3

1.685

104262

file

50154

46619

3287

248

2841.7

1.865

123064

download

25074

25063

79628.6

68.977

6897719

Total

368455

355816	11830	809

91278.5

home

29978

29877

101

822.0

0.94

59665

46555

46434

121

570.9

0.644

26685

catalog

42993

42873

120

658.2

0.703

33314

product

90570

86900

3592

2769.7

1.321

66540

fileCatalog

82707

77866

4731

110

3963.2

1.67

104266

file

50046

46432

3553

2830.6

1.844

123068

download

25008

25002

79842.3

69.468

6946831

Total

367857

355384	12223	250

91457.3

home

29977

29789

186

817.2

0.965

59656

46539

46310

229

567.6

0.653

26690

catalog

42919

42669

247

653.4

0.713

33315

product

90354

86441

3759

154

2747.4

1.364

66539

fileCatalog

82406

76901

5282

223

3926.5

1.721

104266

file

49903

45648

4094

161

2806.4

1.902

123063

download

24983

24971

79430.4

69.572

6957259

Total

367081

352729	13805	547

90949.1

Notes for Support Workload

SUT Notes

BladeCenter Fiber Channel 2-port Switch for disk array
Five enclosures (containing 14 disks) configured as software raid0
Total of five enclosures and 70 drives are used for fileset
The total number of fileset directories (200 directories) are evenly distributed across five drives
1 Extreme Networks Summit 400-48t Switch

Operating System Notes

net.ipv4.ip_forward=1, default 0
net.ipv4.tcp_timestamps = 0, turns TCP timestamp support off, default 1
net.ipv4.tcp_max_tw_buckets = 2000000, sets TCP time-wait buckets pool size, default 180000
net.core.wmem_max = 10000000, maximum send socket buffer size, default 131071
net.core.wmem_default = 10000000, default send socket buffer size, default 135168
net.core.optmem_max = 10000000, default 20480
net.ipv4.tcp_rmem = 30000000 30000000 30000000, maximum TCP read-buffer space allocatable, default 4096 87380 174760
net.ipv4.tcp_wmem = 30000000 30000000 30000000, maximum TCP write-buffer space allocatable, default 4096 87380 174760
net.ipv4.tcp_mem = 30000000 30000000 30000000, maximum TCP buffer space, default 392192 392704 393216
net.ipv4.tcp_max_syn_backlog = 8192, default 1024
fs.file-max = 442961, sets number of open file handles kernel allocates, default 904396
net.core.somaxconn = 10000, size of the listen queue for accepting new TCP connections, default 128
Each NICs txqueuelen set to 60000, default 1000
irqbalancer service was disabled during run
ulimit -n 1000000, sets number of open files, default 1024
ulimit -u 1000000, sets max user processes, default 70656
No modifications to default kernel configuration

HTTP Software Notes

tuning!max_connections -1, maximum number of connections to process simultaneously, default is approx. half of available file descriptors
tuning!listen_queue_size 8192, size of TCP listen queue, default 256
tuning!so_wbuff_size 1048576, size of socket write buffer, default unset
tuning!so_rbuff_size 1048576, size of socket read buffer, default unset
tuning!maxaccept 7000, max number of accept calls per server socekt, default 32
tuning!clientfirst_optimise yes, connection not accepted till data is ready, default no
tuning!unique_bind no, have server sockets bind to IPADDR_ANY, default no
tuning!bind_any yes, bind to all available interfaces on a machine, default yes
tuning!softservers no, enable software virtual servers, default yes
tuning!keepalive yes, enable keepalive connections, default yes
tuning!timeout 1800, timeout for client transfers (seconds), if the server is unable to communicate with the client for this period of time the connection is closed, default 120
tuning!keepalive_timeout 1800, time after which an inactive keepalive connection is closed
tuning!keepalive_max -1, time after which an inactive keepalive connection is closed
tuning!modules!stats!enabled no, enable the stats module, default no
tuning!modules!cgi!enabled no, enable the cgi module, default no
tuning!modules!nsapi!enabled no, enable the nsapi module, default no
tuning!modules!isapi!enabled no, enable the isapi runner, default yes
tuning!counters_enabled no, enable or disable the real time monitor counter, default yes
tuning!modules!cgi!cleansize 0, number of file descriptors to close before exec, default unset
tuning!num_children 1, number of child processes to run, default 4
tuning!ssl_diskcache no, defaults to 'yes' on multiprocessor system, default yes
tuning!cbuff_size 1048576, cgi buffer size, default 8192

HTTP Script Notes

SPEC-provided JSP scripts used without modification
Apache Tomcat 5.5.9 is used as JSP engine
Java Options = -Xms800m -Xms800m -Xss512k -Xcompactexplicitgc, optimize garbage collection for applications and set JVM heap size to 4GB, set stack size to 512KB
server.xml tuning:
maxThreads=8000, max number of sessions, default 150
minSpareThreads=500, number of threads created when connector starts, default 25
maxSpareThreads=1000, max number of unused threads allowed, default 75
acceptCount=50000, max queue length for connection requests, default 100

Client Notes

ulimit -n 1000000, sets number of open files, default 1024
ulimit -u 1000000, sets max user processes, default 7168
java -Xms512m -Xmx512m -Xss256k -Xcompactexplicitgc specwebclient

BESIM Notes

BESIM is a physically separate machine
ulimit -n 1000000, sets number of open files, default 1024
ulimit -u 1000000, sets max user processes, default 7168
Apache using mod_fastcgi
Apache httpd.conf:
StartServer 100, specifies the number of child server processes that will be created by Apache on start-up, default 5
MinSpareServers 250, specifies the minimum number of idle child server processes for Apache, which is not handling a request, default 5
MaxSpareServers 1500, specifies the maximum number of idle child server processes for Apache, which is not handling a request, default 10
MaxClients 1500, sets the limit on the number of simultaneous requests that can be supported, no more than this number of child server processes will be created, default 256
MaxRequestsPerChild 0, specifies the number of requests that an individual child server process will handle (0 unlimited), default 0
KeepAlive on, if set to On, specifies enabling persistent connections on this web server, default off
KeepAliveTimeout 600, specifies how much time, in seconds, Apache will wait for a subsequent request before closing the connection, default 15
ServerLimit 1500
No additional fcgi tuning is implemented

Other Notes

Errors for Support Workload

Quality of Service Errors

No QOS Errors Found

Validation Errors

No Validation Errors Found

For questions about this result, please contact the submitter: IBM

First published at SPEC.org on 25-Oct-2005