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http://issues.apache.org/bugzilla/show_bug.cgi?id=43002 ------- Additional Comments From [EMAIL PROTECTED] 2007-08-02 16:48 ------- Update. I wrote a simple response generator servlet and re-ran the tests. Now performance on 6.0.13 is significantly *FASTER*. However, I'm seeing a fair number of HTTPClient errors from Grinder as well as consistent buffer overflow exceptions. This leads me to believe that the bottleneck has now shifted to the application code. I've attached the test servlet. Here are the stack traces: =========================================================================== Java exception whilst invoking test runner File "/apps/grinder-3.0/projects/TeaBenchmark/smallest-servlet- 400rps.py", line 40, in __call__ Caused by: java.io.IOException: HTTPClient.ParseException: Didn't find valid chunk length: ................ at HTTPClient.StreamDemultiplexor.read(StreamDemultiplexor.java:372) at HTTPClient.RespInputStream.read(RespInputStream.java:155) at HTTPClient.HTTPResponse.readResponseData(HTTPResponse.java:1011) at HTTPClient.HTTPResponse.getData(HTTPResponse.java:515) at net.grinder.plugin.http.HTTPRequest$AbstractRequest.getHTTPResponse (HTTPRequest.java:888) at net.grinder.plugin.http.HTTPRequest.GET(HTTPRequest.java:385) at net.grinder.plugin.http.HTTPRequest.GET(HTTPRequest.java:360) at sun.reflect.GeneratedMethodAccessor12.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) ================================================================ TOMCAT LOG STACK TRACE FOLLOWS: ================================================================ 2007-08-02 15:44:04,453 [http-8080-exec-17] ERROR org.apache.catalina.connector.CoyoteAdapter - An exception or error occurred in the container during the request processing java.nio.BufferOverflowException at java.nio.DirectByteBuffer.put(DirectByteBuffer.java:311) at java.nio.DirectByteBuffer.put(DirectByteBuffer.java:290) at sun.nio.ch.IOUtil.write(IOUtil.java:70) at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:334) at org.apache.tomcat.util.net.NioChannel.write(NioChannel.java:111) at org.apache.tomcat.util.net.NioBlockingSelector.write (NioBlockingSelector.java:57) at org.apache.tomcat.util.net.NioSelectorPool.write (NioSelectorPool.java:135) at org.apache.tomcat.util.net.NioSelectorPool.write (NioSelectorPool.java:130) at org.apache.coyote.http11.InternalNioOutputBuffer.writeToSocket (InternalNioOutputBuffer.java:433) at org.apache.coyote.http11.InternalNioOutputBuffer.flushBuffer (InternalNioOutputBuffer.java:761) at org.apache.coyote.http11.InternalNioOutputBuffer.endRequest (InternalNioOutputBuffer.java:398) at org.apache.coyote.http11.Http11NioProcessor.action (Http11NioProcessor.java:1089) at org.apache.coyote.Response.action(Response.java:183) at org.apache.coyote.Response.finish(Response.java:305) at org.apache.catalina.connector.OutputBuffer.close (OutputBuffer.java:276) at org.apache.catalina.connector.Response.finishResponse (Response.java:486) at org.apache.catalina.connector.CoyoteAdapter.service (CoyoteAdapter.java:285) at org.apache.coyote.http11.Http11NioProcessor.process (Http11NioProcessor.java:896) at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process (Http11NioProtocol.java:705) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run (NioEndpoint.java:2049) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask (ThreadPoolExecutor.java:885) at java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:907) at java.lang.Thread.run(Thread.java:619) 2007-08-02 15:45:24,687 [http-8080-exec-11] ERROR org.apache.catalina.connector.CoyoteAdapter - An exception or error occurred in the container during the request processing java.nio.BufferOverflowException at java.nio.DirectByteBuffer.put(DirectByteBuffer.java:311) at java.nio.DirectByteBuffer.put(DirectByteBuffer.java:290) at sun.nio.ch.IOUtil.write(IOUtil.java:70) at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:334) at org.apache.tomcat.util.net.NioChannel.write(NioChannel.java:111) at org.apache.tomcat.util.net.NioBlockingSelector.write (NioBlockingSelector.java:57) at org.apache.tomcat.util.net.NioSelectorPool.write (NioSelectorPool.java:135) at org.apache.tomcat.util.net.NioSelectorPool.write (NioSelectorPool.java:130) at org.apache.coyote.http11.InternalNioOutputBuffer.writeToSocket (InternalNioOutputBuffer.java:433) at org.apache.coyote.http11.InternalNioOutputBuffer.flushBuffer (InternalNioOutputBuffer.java:761) at org.apache.coyote.http11.InternalNioOutputBuffer.endRequest (InternalNioOutputBuffer.java:398) at org.apache.coyote.http11.Http11NioProcessor.action (Http11NioProcessor.java:1089) at org.apache.coyote.Response.action(Response.java:183) at org.apache.coyote.Response.finish(Response.java:305) at org.apache.catalina.connector.OutputBuffer.close (OutputBuffer.java:276) at org.apache.catalina.connector.Response.finishResponse (Response.java:486) at org.apache.catalina.connector.CoyoteAdapter.service (CoyoteAdapter.java:285) at org.apache.coyote.http11.Http11NioProcessor.process (Http11NioProcessor.java:896) at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process (Http11NioProtocol.java:705) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run (NioEndpoint.java:2049) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask (ThreadPoolExecutor.java:885) at java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:907) at java.lang.Thread.run(Thread.java:619) 2007-08-02 15:49:42,468 [http-8080-exec-8] ERROR org.apache.catalina.connector.CoyoteAdapter - An exception or error occurred in the container during the request processing java.nio.BufferOverflowException at java.nio.DirectByteBuffer.put(DirectByteBuffer.java:311) at java.nio.DirectByteBuffer.put(DirectByteBuffer.java:290) at sun.nio.ch.IOUtil.write(IOUtil.java:70) at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:334) at org.apache.tomcat.util.net.NioChannel.write(NioChannel.java:111) at org.apache.tomcat.util.net.NioBlockingSelector.write (NioBlockingSelector.java:57) at org.apache.tomcat.util.net.NioSelectorPool.write (NioSelectorPool.java:135) at org.apache.tomcat.util.net.NioSelectorPool.write (NioSelectorPool.java:130) at org.apache.coyote.http11.InternalNioOutputBuffer.writeToSocket (InternalNioOutputBuffer.java:433) at org.apache.coyote.http11.InternalNioOutputBuffer.flushBuffer (InternalNioOutputBuffer.java:761) at org.apache.coyote.http11.InternalNioOutputBuffer.endRequest (InternalNioOutputBuffer.java:398) at org.apache.coyote.http11.Http11NioProcessor.action (Http11NioProcessor.java:1089) at org.apache.coyote.Response.action(Response.java:183) at org.apache.coyote.Response.finish(Response.java:305) at org.apache.catalina.connector.OutputBuffer.close (OutputBuffer.java:276) at org.apache.catalina.connector.Response.finishResponse (Response.java:486) at org.apache.catalina.connector.CoyoteAdapter.service (CoyoteAdapter.java:285) at org.apache.coyote.http11.Http11NioProcessor.process (Http11NioProcessor.java:896) at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process (Http11NioProtocol.java:705) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run (NioEndpoint.java:2049) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask (ThreadPoolExecutor.java:885) at java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:907) at java.lang.Thread.run(Thread.java:619) -- Configure bugmail: http://issues.apache.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
