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JBoss performance decrease
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created by <a href="http://community.jboss.org/people/bushurui">sury bu</a> in <i>Performance Tuning</i> - <a href="http://community.jboss.org/message/589983#589983">View the full discussion</a>
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<div class="jive-rendered-content"><p> <span style="font-family: calibri,verdana,arial,sans-serif;">Hi,all</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">When I doing a load testing job about JBossperformance/throughput of my JBossAS,</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">I find that the performance will decreasewith time increase.</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">So I want to find out what make it like this.Here is my test report.</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;">1.Testing environment:</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;">JBoss version:JBoss5.1.0.GA</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">Java version:JDK1.5</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">OS:Windows server 2003</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">DBMS:Sql server 2005</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">Testing tool: Apache Jmeter/i have set 50threads and Ramp-Up Period in 30 seconds.</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;">2.I’ve done some JBoss tuning. Here aresome tune changes in my test JBoss.</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;">a)I’ve add some parameters about JVM in thefile %JBOSS_HOME%bin\run.conf.bat</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;">rem # JVM memory allocation pool parameters- modify as appropriate.</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">set "JAVA_OPTS=-Xms1024M -Xmx1024M-XX:MaxPermSize=256M -XX:NewSize=400M -XX:MaxNewSize=400M-XX:SurvivorRatio=32"</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;">rem # </span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">set -Djava.util.logging.manager=java.util.logging.LogManager-Djava.util.logging.config.file=C:\mcs\config\logging.properties"</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;">b)Here is the logging.properties:</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">##########################################################</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">#    Default Logging Configuration File</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">#</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;"># You can use a different file byspecifying a filename</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;"># with the java.util.logging.config.filesystem property.  </span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;"># For example java-Djava.util.logging.config.file=myfile</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">############################################################</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;">############################################################</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">#    Global properties</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">############################################################</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;"># "handlers" specifies a commaseparated list of log Handler </span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;"># classes. These handlers will be installed during VM startup.</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;"># Note that these classes must be on thesystem classpath.</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;"># By default we only configure aConsoleHandler, which will only</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;"># show messages at the INFO and abovelevels.</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">handlers= java.util.logging.ConsoleHandler</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;"># To also add the FileHandler, use thefollowing line instead.</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">#handlers= java.util.logging.FileHandler,java.util.logging.ConsoleHandler</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;"># Default global logging level.</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;"># This specifies which kinds of events arelogged across</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;"># all loggers.  For any given facility this global level</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;"># can be overriden by a facility specificlevel</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;"># Note that the ConsoleHandler also has aseparate level</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;"># setting to limit messages printed to theconsole.</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">.level= OFF</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;">############################################################</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;"># Handler specific properties.</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;"># Describes specific configuration info forHandlers.</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">############################################################</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;"># default file output is in user's homedirectory.</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">java.util.logging.FileHandler.pattern =%h/java%u.log</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">java.util.logging.FileHandler.limit = 50000</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">java.util.logging.FileHandler.count = 1</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">java.util.logging.FileHandler.formatter =java.util.logging.XMLFormatter</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;"># Limit the message that are printed on theconsole to INFO and above.</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">java.util.logging.ConsoleHandler.level =OFF</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">java.util.logging.ConsoleHandler.formatter= java.util.logging.SimpleFormatter</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;">############################################################</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;"># Facility specific properties.</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;"># Provides extra control for each logger.</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">############################################################</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;"># For example, set the com.xyz.foo loggerto only log SEVERE</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;"># messages:</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">com.xyz.foo.level = SEVERE</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">com.microsoft.sqlserver.jdbc.internals.SQLServerResultSet= OFF</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">com.microsoft.sqlserver.jdbc.ResultSet =OFF</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">com.microsoft.sqlserver.jdbc = OFF</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;">c)System thread pool size </span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;"><!-- A Thread pool service --></span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">  <mbean code="org.jboss.util.threadpool.BasicThreadPool"</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">     name="jboss.system:service=ThreadPool"></span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">     <attribute name="Name">JBoss SystemThreads</attribute></span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">     <attribute name="ThreadGroupName">SystemThreads</attribute></span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">     <!-- How long a thread will live without any tasks in MS --></span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">     <attribute name="KeepAliveTime">60000</attribute></span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">      <!-- The max number of threads in the pool--></span></p><p><span style="color: red; font-family: calibri,verdana,arial,sans-serif;">     <attributename="MaximumPoolSize">100</attribute></span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">     <!-- The max number of tasks before the queue is full --></span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">     <attributename="MaximumQueueSize">1000</attribute></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;">d)Set database pool size </span></p><p><span lang="EN-US" style="color: red; font-family: calibri,verdana,arial,sans-serif;"><min-pool-size>100</min-pool-size></span></p><p><span lang="EN-US" style="color: red; font-family: calibri,verdana,arial,sans-serif;"><max-pool-size>300</max-pool-size></span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">Add parameters above into the *-ds filesunder %JBOSS_HOME%\server\all\deploy</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;">3.Here are some test results pictures below</span></p><p><span lang="EN-US" style="color: red; font-family: calibri,verdana,arial,sans-serif;"><a href="http://community.jboss.org/servlet/JiveServlet/showImage/2-589983-11620/1.png"><span> http://community.jboss.org/servlet/JiveServlet/downloadImage/2-589983-11620/426-446/1.png </span></a></span></p><p style="text-indent: 178.5pt;"><span style="font-family: calibri,verdana,arial,sans-serif;">1</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">                               </span></p><p><a href="http://community.jboss.org/servlet/JiveServlet/showImage/2-589983-11621/2.png"><span> http://community.jboss.org/servlet/JiveServlet/downloadImage/2-589983-11621/450-376/2.png </span></a></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">                                                                         2</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;"> <a href="http://community.jboss.org/servlet/JiveServlet/showImage/2-589983-11622/3.png"><span> http://community.jboss.org/servlet/JiveServlet/downloadImage/2-589983-11622/450-269/3.png </span></a><br/></span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">                                                                         3</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;">Pic1.You can see, with the time increaseJBossAvgProcessingTime become more and more large finally become stabilized.</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;">And then Throughput become more and moresmall finally become stabilized too.</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;">You can see more about AvgProcessingTimeand Throughput means from PIC2.</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;">Question1:Why the JBoss performanve finally become almost half slow than first?</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;">Question2:Why the RequestCount is less than ResponseCount?</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;">Pic3.This picture tell us,cpu almost aroundat 85% and memory around 42%,</span></p><p><span style="font-family: calibri,verdana,arial,sans-serif;">So it can’t caused by hardware.</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;">And who can tell us more about theparameter (c)system thread pool size means?</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: calibri,verdana,arial,sans-serif;">Anyone can help me? thanks</span></p></div>
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