Bytes On Tue, Mar 5, 2019 at 9:28 PM John Dale <jcdw...@gmail.com> wrote:
> 1000-1500 MB or KB? > > On 3/4/19, Santhosh Kumar <santhosh...@gmail.com> wrote: > > As per the documentation, > > > https://tomcat.apache.org/tomcat-9.0-doc/config/http.html#SSL_Support_-_SSLHostConfig > > > > this connector supports maxPostSize, by default the limit is set to 2MB > > > > On Tue, Mar 5, 2019 at 5:09 AM John Dale <jcdw...@gmail.com> wrote: > > > >> Does anyone know if this connector supports maxPostSize parameter? > >> > >> On 3/4/19, Santhosh Kumar <santhosh...@gmail.com> wrote: > >> > Hi, > >> > > >> > We have a tomcat instance which is http2 enabled and it needs to serve > >> > large number of requests using multiplexing, so we have configured our > >> > instance as follows, > >> > > >> > <Connector port="9191" URIEncoding="UTF-8" > >> > sslImplementationName="org.apache.tomcat.util.net > >> .openssl.OpenSSLImplementation" > >> > protocol="org.apache.coyote.http11.Http11Nio2Protocol" > >> > maxThreads="50000" SSLEnabled="true" > >> > > >> > compressibleMimeType="text/html,text/xml,text/plain,text/css,text/javascript,application/javascript,application/json,application/xml" > >> > compression="on" minSpareThreads="25" > >> > noCompressionUserAgents="gozilla, traviata" scheme="https" > >> > secure="true" > >> > keystoreFile="conf/myfile.keystore" keystorePass="password" > >> > socket.appReadBufSize="81920" > >> > socket.appWriteBufSize="81920" socket.rxBufSize="251880" > >> > socket.txBufSize="438000"> > >> > <UpgradeProtocol compression="on" > >> > maxConcurrentStreamExecution="200" > >> > maxConcurrentStreams="200" > >> > className="org.apache.coyote.http2.Http2Protocol"/> > >> > </Connector> > >> > > >> > This instance mainly serves concurrent POST request which will have > >> payload > >> > of size, approx 1000-1500, which can be verified by tomcat logs > >> > > >> > org.apache.coyote.http2.Http2Parser.validateFrame Connection [0], > >> > Stream > >> > [19], Frame type [DATA], Flags [1], Payload size [*1195*] > >> > > >> > We tested our server with the help of h2load as follows, > >> > > >> > h2load -n100 -c1 -m100 https://localhost:9191/ -d '/agentRequest.txt' > >> > > >> > We are getting this error as follows, > >> > > >> > > >> > org.apache.coyote.http2.Http2UpgradeHandler.upgradeDispatch Connection > >> [0] > >> > java.io.IOException: Unable to unwrap data, invalid status > >> > [BUFFER_OVERFLOW] > >> > at > >> > org.apache.tomcat.util.net > >> .SecureNio2Channel$2.completed(SecureNio2Channel.java:1041) > >> > at > >> > org.apache.tomcat.util.net > >> .SecureNio2Channel$2.completed(SecureNio2Channel.java:1000) > >> > at > >> > java.base/sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:127) > >> > at java.base/sun.nio.ch.Invoker.invokeDirect(Invoker.java:158) > >> > at > >> > java.base/sun.nio.ch > >> > .UnixAsynchronousSocketChannelImpl.implRead(UnixAsynchronousSocketChannelImpl.java:552) > >> > at > >> > java.base/sun.nio.ch > >> > .AsynchronousSocketChannelImpl.read(AsynchronousSocketChannelImpl.java:276) > >> > at > >> > java.base/sun.nio.ch > >> > .AsynchronousSocketChannelImpl.read(AsynchronousSocketChannelImpl.java:297) > >> > at > >> > org.apache.tomcat.util.net > >> .SecureNio2Channel$2.completed(SecureNio2Channel.java:1027) > >> > at > >> > org.apache.tomcat.util.net > >> .SecureNio2Channel$2.completed(SecureNio2Channel.java:1000) > >> > at > >> > org.apache.tomcat.util.net > >> .SecureNio2Channel.read(SecureNio2Channel.java:1067) > >> > at > >> > org.apache.tomcat.util.net > >> > .Nio2Endpoint$Nio2SocketWrapper$VectoredIOCompletionHandler.completed(Nio2Endpoint.java:1153) > >> > at > >> > org.apache.tomcat.util.net > >> .Nio2Endpoint$Nio2SocketWrapper.read(Nio2Endpoint.java:1026) > >> > at > >> > org.apache.tomcat.util.net > >> .SocketWrapperBase.read(SocketWrapperBase.java:1012) > >> > at > >> > > >> > org.apache.coyote.http2.Http2AsyncParser.readFrame(Http2AsyncParser.java:61) > >> > at > >> > org.apache.coyote.http2.Http2Parser.readFrame(Http2Parser.java:69) > >> > at > >> > > >> > org.apache.coyote.http2.Http2UpgradeHandler.upgradeDispatch(Http2UpgradeHandler.java:322) > >> > at > >> > > >> > org.apache.coyote.http2.Http2AsyncUpgradeHandler.upgradeDispatch(Http2AsyncUpgradeHandler.java:37) > >> > at > >> > > >> > org.apache.coyote.http11.upgrade.UpgradeProcessorInternal.dispatch(UpgradeProcessorInternal.java:54) > >> > at > >> > > >> > org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:53) > >> > at > >> > > >> > org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834) > >> > at > >> > org.apache.tomcat.util.net > >> .Nio2Endpoint$SocketProcessor.doRun(Nio2Endpoint.java:1769) > >> > at > >> > org.apache.tomcat.util.net > >> .SocketProcessorBase.run(SocketProcessorBase.java:49) > >> > at > >> > org.apache.tomcat.util.net > >> .AbstractEndpoint.processSocket(AbstractEndpoint.java:1048) > >> > at > >> > org.apache.tomcat.util.net > >> > .SecureNio2Channel$HandshakeWriteCompletionHandler.completed(SecureNio2Channel.java:116) > >> > at > >> > org.apache.tomcat.util.net > >> > .SecureNio2Channel$HandshakeWriteCompletionHandler.completed(SecureNio2Channel.java:109) > >> > at > >> > java.base/sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:127) > >> > at java.base/sun.nio.ch.Invoker.invokeDirect(Invoker.java:158) > >> > > >> > Why is this error is thrown? How can I configure tomcat to handle > >> > concurrent POST requests which have a decent payload? > >> > > >> > > >> > We have tried with various java clients like http-client-5-beta, jetty > >> > or > >> > okhttp3 and spam requests to our tomcat using http2 multiplexing and > we > >> > found the time taken to process a requests increases(sometimes even > >> > 10x) > >> > when load is increased. > >> > We have tweaked all common configuration related to http2 on both > >> > client > >> > and server side with no luck. > >> > > >> > But same tomcat configuration can handle 10s of 1000s of get request > >> > concurrently without a problem, its only creating problem with POST > >> > requests. > >> > > >> > What is wrong in our configuration? > >> > > >> > Kindly someone shed some light. > >> > > >> > Tomcat - 9.0.16 > >> > APR-1.2.18 > >> > OpenSSL-1.1.1a > >> > JDK-10.0.2 > >> > OS - Ubuntu/Centos > >> > HeapSize - 4GB > >> > RAM -16GB > >> > > >> > > >> > Kindly help > >> > > >> > -- > >> > *With Regards,* > >> > *Santhosh Kumar J* > >> > > >> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > >> For additional commands, e-mail: users-h...@tomcat.apache.org > >> > >> > > > > -- > > *With Regards,* > > *Santhosh Kumar J* > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > > -- *With Regards,* *Santhosh Kumar J*
