Thanks Chis. I'll make sure the AccessLogValve is configured correctly. Currently the app is not clustered. It it ever becomes clustered, I will make sure we keep this in mind.
On Thu, Sep 23, 2010 at 4:47 PM, Christopher Schultz <ch...@christopherschultz.net> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Jeff, > > I've re-arranged some of your comments so that my questions make a bit > more sense. > > On 9/23/2010 4:13 PM, Jeff Thorn wrote: >> I am sure there are no sessions now. Its a REST based XML API. >> >> So my question is what kind of overhead does getSession() have? If its >> anything more than just generating an uid and settings a response >> header, I will just do that myself. But I would rather not reinvent >> the wheel since the session api does exactly what I want. > > Is this clustered at all? If you are using a cluster and want your > session ids to be consistent, then there can be some overhead in > notifying the other servers that a new session has been created, etc. > Other than that, creating empty sessions and referencing them with every > request is going to have a pretty minimal impact unless your webapp does > very little with each request (like a web service that adds to numbers > provided by the client). Things like file and database access > overwhelmingly dominate the equation. > >> The session id will simply end >> up in the access log files so we can group by and count unique >> sessions. > > Session ids don't typically show up in access log files: you'll have to > configure your logging to do this. The AccessLogValve can certainly do > this for you. > >> The clients of the API do support cookies and will return >> the session id in subsequent requests. > > Perfect: that will pretty much be a requirement, unless the clients are > willing to accept a session id some other way and then add > ";jsessionid=[the session id]" to the end of every request URL they use. > > - -chris > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.10 (MingW32) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > iEYEARECAAYFAkybvN0ACgkQ9CaO5/Lv0PBlJACgoBwpy4KeIop2VI7i+KinvnG9 > DBQAoIG8hy9F/1AlQd2z+SVZ6jA3e+XM > =1tse > -----END PGP SIGNATURE----- > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > > -- Jeff Thorn Thorn Technologies, LLC (443) 255-2803 j...@thorntechnologies.com --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
