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HP O SM S: T omcat Si zing Gui de f or HP Pr oL i ant c -C las s Blade Ser v er s HP P art Number: 5 99 2 -48 5 9 P ublished: May 200 8 E dition: 1 .0[...]

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T able o f C ont ents Introduction ............................................................................................................................................ 9 Ex ec ut iv e Su m ma r y...........................................................................................................................9 In te nd ed A ud ie nc[...]

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L ist o f F i gur es 1 T om ca t Su c ce ss fu l In st a ll at io n V er if ic at io n...................................................................................1 3 2 Static W eb Page T est Results for the HP ProLiant BL460c Server - Requests per Second. . . . . . .. . . . . 16 3 Static W eb P age T est Results for the HP ProLiant BL460c Se[...]

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L ist o f T ables 1 T es t Ha rd w ar e En vi ro nm e nt .........................................................................................................12 2 JV M Co nf ig ur at io n .......................................................................................................................1 3 3 T om ca t Co nf ig u ra ti on ...[...]

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Intr oducti on HP Open Source Middlew are Stacks (OSMS) offer building block applications, such as the W eb Server; technical blueprints, and documents such as this T omcat Sizing Guide which describes the maximum workload that HP ProLiant c-Class Blade Servers are capable of supporting; and consulting services to speed the successful implementatio[...]

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T ypogr aphi c Con v enti ons This document uses the following typographic conventions. Command A command name or qualified command phrase. ComputerOut T ext display ed by the computer . Ctrl-x A key sequence. A sequence such as Ctrl-x indicates that you must hold down the key labeled Ctrl while y ou press another key or button. ENVIRONVAR The name[...]

Har d w ar e T es t En v ir onment This benchmark was performed within an HP BladeSystem c-Class blade enclosure with enhanced backplane using C-GbE2 Network interconnect switches. T able 1 lists the specifications of the hardw are test environment. T able 1 T est Hard ware En vir onment BL480c BL46 5c BL46 0c Hardw are (2) Quad-Core Intel® Xeon®[...]

Figur e 1 T omcat Successful Installation V erification NO TE: If the iptables firewall is enabled in the system, the T omcat server can not be accessed from other machines. 4. If necessary , stop T omcat by entering the following command: # /usr/local/apache-tomcat/bin/shutdown.sh The following messages display: Using CATALINA_BASE: /usr/local/apa[...]

Setting T omcat Connec tor A ttribu tes Edit the /usr/local/apache-tomcat/conf/server.xml file and add the attributes listed in T able 3 to the Connector element. The following example shows the element in the xml file after the connector attributes are added. <Connector port="8080" protocol="HTTP/1.1" maxThreads="3000&q[...]

For more information about ab, see the following web site: http://httpd.apache.org/docs/2.0/programs/ab.html Benc hmark R esults In the static web page testing, sev eral web pages were used with different sizes that v aried from 5KB to 200KB. For each web page, ab w as run with a varying number of concurrent connections and total requests to determ[...]

Figur e 2 Static W eb P ag e T est Results for the HP ProL iant BL46 0c Ser ver - R equests per Second Figur e 3 Static W eb P age T est Results for the HP Pr oLiant BL4 60c Server - A ver age Response Time HP Pr olian t BL46 5c Serv er The HP ProLiant BL465c serv er is a two-w ay server blade designed for maximum compute density and power efficien[...]

T able 6 Static W eb P age Test R esults for the HP ProL iant BL46 5c Ser ver (continued) 200K 80K 30K 5K User Connections resp time req/sec resp time req/sec resp time req/sec resp time req/sec 4101 564.29 1466 1405.94 122 3721.44 21 6958.18 1500 4849 564.67 1554 1370.03 362 3680.87 22 5993.03 2000 Figur e 4 Static W eb P ag e T est Results for th[...]

T able 7 Static W eb P age Test R esults for the HP ProL iant BL480c Server 200K 80K 30K 5K User Connections resp time req/sec resp time req/sec resp time req/sec resp time req/sec 187 572.69 76 1426.77 26 3770.73 5 19446.04 100 333 572.84 115 1426.88 54 3768.29 8 18313.09 200 1417 572.37 461 1425.07 65 3768.88 10 16814.04 500 3011 570.90 1010 1425[...]

JP etStore w as used as the test application deployed on the T omcat Application server . This section provides a detailed description of the test scenario for JPetStore and, how to run Apache JMeter against the test application. The benchmark data includes the number of requests the T omcat Application serv er can process per second and the averag[...]

Figur e 8 Application Scenario T est Envir onment Architecture Before performing the JP etStore installation on the W eb serv er , verify that the following installations and configurations have been completed. • T omcat has been installed on the T omcat serv er node and configured correctly . • MySQL has been installed and configured on the My[...]

Appli catio n Scenar io Co nf igur ation A JMeter test plan must be created to simulate the requests sent to the serv er in the scenario. There are two approaches which are generally used to create a test plan: JMeter ’ s Proxy and Badboy . For JMeter , see the JMeter Reference Manual located at: http://jakarta.apache.org/jmeter/usermanual/index.[...]

Figur e 1 0 JM eter Summar y Report Benc hmark R esults T able 8 shows the requests per second and average response time of the scenario described in the previous section. The response time is defined as the time it takes the T omcat server to send the object of an HTTP request back to the client. The requests per second is the av erage request num[...]

Figur e 1 1 JM eter Application Scenario T est Results – Requests per Second Figur e 1 2 JMeter Application Scenario T est Results – Response Time Summary The performance of the T omcat Application serv er is impacted by several factors such as network throughput, system processing capability , concurrent user connections, and so on. The data s[...]

R es our ces For additional information on the hardw are and softw are used in the T omcat tests, see the following websites: HP Open Source Middleware Stacks (OSMS) http://h71028.www7.hp.com/enterprise/cache/321150-0-0-0-121.html HP BladeSystem http://www .hp.com/go/bladesystem/ http://h18004.www1.hp.com/products/blades/components/bladeserv ers.ht[...]