Hi, Maybe all the request processing threads are busy and the accept queue is full? Check your Connector configuration and increase these parameters if needed to allow your test to complete.
Yoav Shapira Millennium Research Informatics >-----Original Message----- >From: Henrik Rathje [mailto:[EMAIL PROTECTED] >Sent: Thursday, September 09, 2004 12:05 PM >To: [EMAIL PROTECTED] >Subject: unexpected timeout during benchmark > >Hi, >I want to measure the performance of a Servlet that I wrote. To have a >number to compare with i wrote a servlet which does only a single println >in its doget method. > >When i measure the throughput of this servlet with ab using this arguments: >ab -n 20000 -c 10 http://localhost:8080/Messung1/TestServlet >I receive: >.. >Completed 14000 requests >apr_poll: The timeout specified has expired (70007) >Total of 15861 requests completed > >The jvm is defenitly not out of memory, (top says 50m of -Xmx170m are >used) no garbage collection is performed during the test. After some >minites of waitung the servlet answers again (no tomcat restart neccessary) >What causes this timeout? >(when running with half the amout of requests, the throughput is 500/sec) >Regards, Henrik > >--------------------------------------------------------------------- >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]
