Manuale d’uso / di manutenzione del prodotto 5992-4859 del fabbricante HP (Hewlett-Packard)
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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................................................
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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.
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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 ...........................................................
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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 describe.
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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.
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.
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.
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.
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.
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 Respons.
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.
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.
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.
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 .
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.
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.
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.
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 .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il HP (Hewlett-Packard) 5992-4859 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del HP (Hewlett-Packard) 5992-4859 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso HP (Hewlett-Packard) 5992-4859 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul HP (Hewlett-Packard) 5992-4859 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il HP (Hewlett-Packard) 5992-4859, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del HP (Hewlett-Packard) 5992-4859.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il HP (Hewlett-Packard) 5992-4859. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo HP (Hewlett-Packard) 5992-4859 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
