On 10/01/2013 14:02, David kerber wrote: > On 1/10/2013 8:56 AM, Linoma DevTeam wrote: >> Hi everyone, >> >> I'm running some comparison tests with tomcat 6.0.35 and IIS running in >> parallel on Windows Server 2008 R2. Now I would expect Tomcat to be >> somewhat slower, given the extra JVM layer, but in some situations, i'm >> seeing differences that are tough to swallow. > > Are you using tcnative?
Clearly not from the configuration information below. Switching to the APR/native connector is the obvious first step to try. After that, check that the same / comparable encryption algorithms are being used. Mark > > >> >> Downloads >> IIS ~3.7 MB/s >> Tomcat ~350 KB/s >> >> Test Details: >> I placed a ~500MB file in the document root of the web app on tomcat and >> set up an HTTPS connector. Then I set up IIS with the same file and an >> HTTPS listener. I configured the cipher suite in tomcat to be the >> same one >> that was negotiated between IIS and my Chrome browser. Finally, I set >> the >> JVM max memory to 1024MB with a min of 900MB to reduce the impact of >> the GC >> and the memory allocation. >> >> I'm using HTTP/1.1 connectors with pretty standard configuration: >> >> <Server port="9005" shutdown="SHUTDOWN"> >> >> <Service name="admin"> >> <Connector port="9080" /> >> >> <Connector port="9443" protocol="HTTP/1.1" >> SSLEnabled="true" enableLookups="false" disableUploadTimeout="true" >> scheme="https" secure="true" clientAuth="false" sslProtocol="TLS" >> algorithm="SunX509" keystoreFile="C:\temp\sample_keystore.jks" >> keystorePass="password" keyAlias="sample-key" keystoreType="JKS" >> truststoreFile="C:\temp\sample_truststore.jks" truststorePass="password" >> truststoreType="JKS" /> >> >> <Engine name="admin" defaultHost="localhost"> >> <Host name="localhost" appBase="webapps" >> errorReportValveClass="com.company.CustomErrorReportValve"> >> <Context path="/sample" docBase="C:\temp\application\WebRoot" >> reloadable="false"> >> <Loader delegate="true" /> >> </Context> >> </Host> >> </Engine> >> </Service> >> </Server> >> >> So, I extend the question of, why would tomcat only be able to reach >> 10% of >> the speed IIS is able to server when running parallel tests? Any >> suggestions on configurations that I could adjust on Tomcat, the JVM, or >> operating system that improve that download speed? >> >> Thanks in advance! >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
