-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Sumit,
On 7/12/19 08:30, Sumit Bhardwaj wrote: > Hi, > > We are using tomcat 9.0.14,and we are running some performance > tests for our application. > > What we have observed is that 1- CPU usage of tomcat is less than > 10%, when using tomcat without SSL for a week. 2. CPU Usage is > around 20% and it keeps growing after a day to 40% and keeps > increasing when we use the tomcat in SSL mode > > Connector configuration for HTTP and HTTPS are as > > *<Connector port="8080" protocol="HTTP/1.1"* * > connectionTimeout="20000"* > > * />* > > > <Connector port="8443" > protocol="org.apache.coyote.http11.Http11NioProtocol" > maxThreads="150" SSLEnabled="true" scheme="https" secure="true" > sslProtocol="TLS1.2" keystoreFile="keystore" > keystorePass="changeme" /> > > > Do we need any more configuration or any thing else so that CPU > usage is under control. Are you using JSSE or OpenSSL for crypto? How are you measuring CPU usage? Have you tried to correlate that CPU usage with user-request load? Encryption isn't free, though modern CPUs are very good at optimizing it . - -chris -----BEGIN PGP SIGNATURE----- Comment: Using GnuPG with Thunderbird - https://www.enigmail.net/ iQIzBAEBCAAdFiEEMmKgYcQvxMe7tcJcHPApP6U8pFgFAl0o3akACgkQHPApP6U8 pFjBgg/9Hf+MyRy/4oF+WmgC8dhz84BYVDuZbsq88rcxqs6CeCEg6+Ygk5d+SUn6 NYKcrwiXE3Fth4tIh4q+qyY5OUQzV9zPNkGxE+8kdC8ncMBh5RUH7AHUhEUGx0oj IdwK33jwhGVwvYu3/vOV+aJp5D4N+ItgmEFnHmUiS2xWyx/CoJWYnh8L/QlAYdJO eCVN8LK2+qITgPDoZPcZa/QEVf+0AT8s3OmFgKsVmVnqSpjSLqmz8YfazsjgT3Lh gdhINECbuEjzV1264yRxTqL6f80w5/UUROI17YOokncyzdpLBqWl4mLhgBda6K6y CIbSfq2zbvRxG2/9Q6VxoFh+jJlUrWEbfi3nVGsTcAqiG3rWuNslGo6GJWgGrG2b oIDbNgqBYJUfMjy0bLZDJd1DoQe4Z8MBiZ/LTQZg8Z04QuO1A0bAWxtjbDEoD1Ft sZyJP1vb9oJ01vprpymMSenLOl1NuoTLapNeVnkb5BmgkfjCcB4rKeF3AP5Y3HSi h7zW1ojRjEDyjeY6JugzyXwRAvuIcbZDwj5m/MeMaPp0leOXuTeaDbfRur0WTT4x kONLwmlGhuwGNLZNzWKFJSiOw9ZQcSfjyyrt/oggjbCq6riP9z30McfA23jNNc3C qCdj7lUELjkCU3GMFSGZqOYSkCqrAEhw929uQ8tyI6ixUSkLbyI= =UUVj -----END PGP SIGNATURE----- --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org