On 26/05/2020 23:28, Ayub Khan wrote: > Hi, > > During high load I am seeing below error on tomcat logs > > java.util.concurrent.ExecutionException: java.net.SocketTimeoutException: > timeout
And the rest of that stack trace? It is hard to provide advice without context. We need to know what is timing out when trying to do what. > We have 4 C5.18x large vms running tomcat 8 behind AWS application load > balancer. We are seeing socket timeouts during peak hours. What should be > the configuration of tomcat if we get 60,000 to 70,000 requests per minute > on an average ? > > Tomcat 8.0.32 on Ubuntu 16.04.5 LTS Tomcat 8.0.x is no longer supported. > Below is the java version: > > java version "1.8.0_181" > Java(TM) SE Runtime Environment (build 1.8.0_181-b13) > Java HotSpot(TM) 64-Bit Server VM (build 25.181-b13, mixed mode) > > > Below is the server.xml connector configuration: > > <Connector port="8080" > protocol="org.apache.coyote.http11.Http11Nio2Protocol" Why NIO2? Mark > connectionTimeout="20000" > > URIEncoding="UTF-8" > redirectPort="8443" /> > > We have 4 C5.18x large vms and each vm has nginx and tomcat instance > running. All the 4 vms are connected to AWS application load balancer. > > I tried to add maxConnections=50000 but this does not seem to have any > affect and still saw the timeouts > > Thanks and Regards > Ayub > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
