-Xmx512m -Xmx1024 ?
2012/1/27, Luciano Andress Martini <777u...@gmail.com>: > its 64 bits? How can i increase the object heap? > > > > 2012/1/27, Pid <p...@pidster.com>: >> On 27/01/2012 16:29, Luciano Andress Martini wrote: >>> I need to know if the error is from my part (server administrator), >>> from the developer or from the hardware/vms. Some times that occurs >>> when processing two milion of registry (i am talking from expressocard >>> a company of credit cards). >>> >>> Its a rarely error because this processing occurs rarely. >>> >>> in fact, mysql in the another server with 12 processors, still >>> running, and tomcat in a virtual machine called adm (in another >>> physical machine, with 4 processors) still running. >>> >>> So, this errors occurs like that: >>> >>> 1- Tomcat started >>> 2- This processing is realized ok in the first time >>> 3- Tomcat stable in the users acess. >>> 4- The processing is realized again, some days later, inn 98% of >>> processing servers crashes, but mysql is still running. >>> 5- Restar of tomcat service tomcat6 restart >>> 6- the processing started again, and server can done the processing. >>> >>> In the moment of the crash: >>> jstat -class >>> Loaded Bytes Unloaded Bytes Time >>> >>> 15007 32265.0 300 505.9 12.11 >> >> So permgen is using 32Mb >> >>> Java using: 914mb >>> Free memory on the virtual machine server: 2152 >>> >>> Java says: >>> java.util.concurrent.ExecutionException: java.lang.OutOfMemoryError: >>> Java heap space at >>> java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:232) at >>> java.util.concurrent.FutureTask.get(FutureTask.java:91) at >>> wfr.rules.WFRRule.execute(WFRRule.java:1820) at >>> wfr.rules.WFRRule.execute(WFRRule.java:1792) at >>> wfr.web.actions.ExecuteRuleAction.execute(ExecuteRuleAction.java:198) >>> at wfr.web.Action.doAction(Action.java:126) at >>> wfr.web.Controller.process(Controller.java:100) at >>> wfr.web.Controller.doPost(Controller.java:67) at >>> javax.servlet.http.HttpServlet.service(HttpServlet.java:637) at >>> javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at >>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) >>> at >>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) >>> at wfr.web.ContextFilter.doFilter(ContextFilter.java:78) at >>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) >>> at >>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) >>> at >>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) >>> at >>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) >>> at >>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:470) >>> at >>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) >>> at >>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) >>> at >>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) >>> at >>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) >>> at >>> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857) >>> at >>> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) >>> at >>> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) >>> at java.lang.Thread.run(Thread.java:662) Caused by: >>> java.lang.OutOfMemoryError: Java heap space >>> >>> Java options (that i configurate) >>> -Djava.awt.headless=true >>> -Xmx512m >>> -XX:MaxPermSize=3512M >> >> Cripes! 3.5Gb of PermGen space?! I really doubt you want that. >> >> So your JVM is using 900Mb, your object heap is 512Mb. >> >> If you have more memory available, why not assign more to the heap? >> How much memory is available? >> >> Are you using 32bit or 64bit? >> >> >> p >> >>> -XX:+CMSIncrementalMode >>> -XX:+UseConcMarkSweepGC >>> -XX:+CMSClassUnloadingEnabled >>> -XX:ParallelGCThreads=4 >>> -XX:+UseParNewGC >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >>> For additional commands, e-mail: users-h...@tomcat.apache.org >>> >> >> >> -- >> >> [key:62590808] >> >> > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
