Pls give suggestions in tomcat tunning in production environment
Hi all, Now our webapp is running in production environment, nearly 500 people can ask it simultaneously, so the server performance is very low in all aspects. so, anyone help me, how to tune the tomcat for the production environment. increasing memory and ... I am using apache at the front to serve the pages. thanks, inr. __ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Pls give suggestions in tomcat tunning in production environment
Hi Rajkumar Sivasubramanian, Hi is there is any document availble online. to know about the options you mailds. thanks, inr. --- Rajkumar Sivasubramanian [EMAIL PROTECTED] wrote: Hi Ayyanar Inbamohan You can check the following options in your PRD environment. 1) PRD Server Memory/tuning the server 2) Load balancing the tomcat (setting up more than one tomcat) 3) Increasing the java memory options(need to be done very carefully). 4) Checking for any performance improvement in your code/sql queries/middle tier 4) Make sure Apache Http server, severs all the static contents. And tomcat only serves the .jsp pages. Regards Rajkumar S -Original Message- From: Ayyanar Inbamohan [mailto:[EMAIL PROTECTED] Sent: Wednesday, July 13, 2005 5:17 PM To: tomcat-user@jakarta.apache.org; tomcat-dev@jakarta.apache.org; [EMAIL PROTECTED] Subject: Pls give suggestions in tomcat tunning in production environment Hi all, Now our webapp is running in production environment, nearly 500 people can ask it simultaneously, so the server performance is very low in all aspects. so, anyone help me, how to tune the tomcat for the production environment. increasing memory and ... I am using apache at the front to serve the pages. thanks, inr. __ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Information transmitted by this EMAIL is proprietary to iGATE Group of Companies and is intended for use only by the individual or entity to whom it is addressed and may contain information that is privileged, confidential, or exempt from disclosure under applicable law. If you are not the intended recipient of this EMAIL immediately notify the sender at iGATE or [EMAIL PROTECTED] and delete this EMAIL including any attachments _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] __ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
website stops answering requests from time to time
This is a production site. We use Tomcat 4.1. website stops answering requests from time to time Our website is under very high daily volume. Several times a week, no requests are answered. Here is the log exception: java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextEntry(HashMap.java:782) at java.util.HashMap$EntryIterator.next(HashMap.java:824) at java.util.HashMap.writeObject(HashMap.java:976) at sun.reflect.GeneratedMethodAccessor133.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at java.io.ObjectStreamClass.invokeWriteObject (ObjectStreamClass.java:809) at java.io.ObjectOutputStream.writeSerialData (ObjectOutputStream.java:1296) at java.io.ObjectOutputStream.writeOrdinaryObject (ObjectOutputStream.java:1247) at java.io.ObjectOutputStream.writeObject0 (ObjectOutputStream.java:1052) at java.io.ObjectOutputStream.writeObject (ObjectOutputStream.java:278) at org.apache.catalina.session.StandardSession.writeObject (StandardSession.java:1429) at org.apache.catalina.session.StandardSession.writeObjectData (StandardSession.java:852) at org.apache.catalina.session.JDBCStore.save (JDBCStore.java:690) at org.apache.catalina.session.PersistentManagerBase.writeSession (PersistentManagerBase.java: 739) at org.apache.catalina.session.PersistentManagerBase.processMaxIdleBackups (PersistentManagerBase.java :1063) at org.apache.catalina.session.PersistentManagerBase.processPersistenceChecks(PersistentManagerBase.ja va:477) at org.apache.catalina.session.PersistentManagerBase.run (PersistentManagerBase.java:1141) at java.lang.Thread.run(Thread.java:534) Thanks in Advance, inr.. __ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com
