Howdy, You might also use two tomcat instances -- much easier to tune. Yoav Shapira Millennium ChemInformatics
>-----Original Message----- >From: Parris, Edward G [mailto:[EMAIL PROTECTED] >Sent: Monday, February 02, 2004 5:38 PM >To: [EMAIL PROTECTED] >Subject: WHY? Tomcat 5 maxThreads too low, set to 10 > > >I have a single server running Tomcat supporting several webapps. The web >apps fall into two categories: > webapps that require quick response but that use few system resources > webapps that are expected to process for a long period and consume large >amounts of system resources > >The goal is to create a tomcat configuration that supports these two >categories of applications. My difficulty is that the number of >simultaneous requests supportable within the system's memory constraints is >very different. > >In the past (Tomcat 4.1.27) I created two HTTP connectors with different >minProcessors, maxProcessors and acceptCount values. Web apps were >registered/accessed via different ports effectively managing the resources >of the server. The connector on port 9080 supports a large number of light- >weight apps while the connector on 9081 queues up concurrent heavy-weight >requests beyond some configurable limit (3). > > <Connector className="org.apache.coyote.tomcat4.CoyoteConnector" >port="9080" > minProcessors="5" maxProcessors="75" > enableLookups="true" redirectPort="9443" > acceptCount="100" debug="0" connectionTimeout="20000" > useURIValidationHack="false" disableUploadTimeout="true" /> > > <Connector className="org.apache.coyote.tomcat4.CoyoteConnector" >port="9081" > minProcessors="3" maxProcessors="3" > enableLookups="true" redirectPort="9443" > acceptCount="9999" debug="0" connectionTimeout="0" > useURIValidationHack="false" disableUploadTimeout="true" /> > >I tried a similar configuration on Tomcat 5.0.18 but noticed a ThreadPool >warning on startup stating that my maxThreads setting was too low and that >it would be reset to 10. > >WARNING: maxThreads setting (3) too low, set to 10 > >Does anyone have any ideas how I can rectify this situation? 10 concurrent >threads is too many (at peak each heavy-weight can consume ~1GB of memory). >Simply increasing the memory limits is not going to do it. > >Thanks much, >Ed > > >--------------------------------------------------------------------- >To unsubscribe, e-mail: [EMAIL PROTECTED] >For additional commands, e-mail: [EMAIL PROTECTED] This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
